H12-811_V1.

0 Exam

QUESTION 1
As shown in the figure, there are three data packets captured by the administrator on the network.
Which of the following statements is incorrect? (Single choice question)
Source destination protocol info
10.0.12.110.0.12.2TCp50190>telnetï¼»SYNï¼½seqï¼ 0winï¼ 8192Lenï¼ 0mssï¼ 146010.0.12.2 10.0.12.1
TCP telnet:50190 ï¼»SYN,ACKï¼½seg-0 Ack-1 win-8192 Len-0mss=1460
10.0.12.110.0.12.2 TCP50190>telnet(ACK)seq-1Ack=1win=81921en=0

A. None of these three data packets contain application layer data

B. These three data packets represent the three-way handshake process of TCP
C. The telnet client uses port 50190 to establish a connection with the server
D. The IP address of the telnet server is 10.0.12.1. The IP address of the telnet client is 10.0.12.2

Answer: D

QUESTION 2
As shown in the figure below. Host A and Host B cannot communicate. ()(True or False)

A. True
B. False

Answer: B

QUESTION 3
As shown in the figure, when the switch needs to forward frames with the destination mac address of 5489-98ec-f011,
which of the following descriptions is correct? () (Single-choice question)

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A. The switch will send a message that the destination is unreachable to the source device
B. The switch did not find a matching entry in the mac address table. So the frame will be discarded
C. The switch needs to send a request to discover the device with the mac address of 5489-98ec-f011
D. The switch will be All ports outside flood the frame

Answer: D

QUESTION 4
The mac address of the existing switch is shown in the figure. Which of the following statements is correct ()? (Multiple
Choice Questions)

A. When the switch restarts, the mac address learned by port Eth0/0 does not need to be relearned
B. The data frame with the source mac address of 5489-9885-18a8 and the destination mac address of
5489-989d-1d30 learned from the port is forwarded from the Eth0/0 port
C. The source mac address learned from the port is 5489-9811-0b49. The data frame with the
destination mac address 5489-989d-1d30 is forwarded from the Eth0/0 port
D. When the switch restarts, the mac address learned by port Eth0/0 needs to be re-learned

Answer: B
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QUESTION 5
The network administrator configures the RTA on the Huawei router as shown in the figure. If a user needs to be
authenticated in the authentication domain "huawei", which of the following
descriptions is correct? () (Single-choice question)
(RTA) aaa
(RTA-aaa) domain huawei
(RTA-aaa-doaain huavei) authentication -schene au1
(RTA-aaa-dogairhuavel) authenticIcation-schene au2

A. Will use "authentication-scheme aul" authentication

B. "Authentication-scheme aul authentication will be used. If "au1 is deleted."au2 authentication will be used
C. "Authentication-scheme au2 authentication will be used. If "au2" is deleted, "aul authentication will be used
D. Will use "authentication-scheme au2" authentication

Answer: C

QUESTION 6
The output information of the router is shown in the figure. Which of the following statements is wrong? () (Single-
choice question)

The broadcast address corresponding to the

A. Ethernet0/0/0 interface is 10.0.12.255

B.The physical link of the Ethernet0/0/0 interface is normal
C.Ethernet0/0/0 interfaceThe MTU value is 1480
D.Ethernet (The IP address of the /0/0 interface is 10.0.12.1

Answer: C

QUESTION 7
The following figure shows the routing table of a router. When the router receives a destinationIWhen the P address is a
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data packet of 9.1.1.1,The router will forward according to the route of 9.1.0.0 because the mask length of this route is
longer. ()(True or False)

A. True
B.False

Answer: A

QUESTION 8
What is wrong about the description of the information as shown in the figure? () (Single-choice question) (RI) display
interface g0/0/0
GlgabltEtherneto/0/0 current state :Adainistratively DOWN Line protocol current state :DOWN

A. GigbitEthernet (/0/0 interface is connected to a wrong cable

B. The GigbitEthernet0/0/0 interface is not configured with an IP address
C. The GigbitEthernet0/0/0 interface was manually closed by the administrator
D.GigbitEthernet (0/0/0 interface does not enable dynamic routing protocol

Answer: C

QUESTION 9
In the figure below, all switches have enabled the STP protocol, assuming that the path cost value of all ports is 200.
What is the root path cost value contained in the configuration BPDU message received by the G0/0 port of $WD? ()
(Single-choice question)

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A. 600
B. 200
C. 0
D. 400

Answer: D

QUESTION 10
The information shown in the figure is the port status information displayed on a switch running STP.
According to this information, what is wrong in the following description? () (Single-choice question)

A. This switch is the root switch in the network

B. The priority of this switch is 0
C. This network may only contain this switch
D. This switch may be connected to 6 other switches

Answer: B

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QUESTION 11
As shown in the figure, the switch runs STP with default parameters. Which of the following ports will be elected as the
designated port? () (Single-choice question)

A. Port G0/0 of switch A

B.HUB's G0/0 port
C.HUB's G0/0 port
D.Port G0/0 of switch A

Answer: A

QUESTION 12
As shown in the figure below, all hosts can communicate normally. Is the correspondence between the MAC address and
the port in the MAC address table of SWB correct? () (Single-choice question)

A. MAC-A GO/0
MAC-B GO/0
MAC-C GO/0

B.MAC-A GO/0
MAC-B G0/0
MAC-C GO/0

C.MAC-A GO/0
MAC-B GO/0
MAC-C GO/0

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D.MAC-A GO/0
MAC-B GO/0
MAC-C GO/0

Answer: C

QUESTION 13
The priority of the LACP protocol is shown in the figure. Switch A and Switch B adopt LACP mode link aggregation,
and all interfaces are added to the link aggregation group. At the same time, set the maximum number of active ports to 3.
Then which port of switch A is not an active port ? () (Singlechoice question)

A. G0/0/0
B. G0/0
C. G0/0
D. G0/0

Answer: D

QUESTION 14
The administrator has configured the router as shown in the figure. Then a host connected to the G1/0/0 interface of the
router. What kind of IP address can be obtained through DHCP? () (Singlechoice question)

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A. The IP address obtained by the host belongs to the 10.10.10.0 network

B. The IP address obtained by the host belongs to the 10.20.20.0 network
C. The IP address obtained by the host may belong to the 10.10.10.0 network, or it may belong to the 10.20.20.0 network
D. The host cannot get an address

Answer: A

QUESTION 15
In the network shown in the figure below, the router receives a data packet with a destination IP address of 11.0.12.1
from host

A. This data packet is forwarded by the router. What are the destination mc and destination IP? () (Single-choice
question)

A. MAC-D10.0.12.2
B. MAC-D11.0.12.1
C. MAC-C11.0.12.1
D. MAC-B11.0.12.1

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Answer: D

QUESTION 16
The network shown in the figure below. All routers run OSPF. The link cost value is shown in the figure. What is the
cost value of the route entry to the network 10.0.0.0 in the RTA routing table? () (Single-choice question)

A. 100
B. 70
C. 20
D. 60

Answer: D

QUESTION 17
As shown in the figure below, which of the following statements is correct? () (Single-choice question)

A. Host A can ping host B

B. Only if the masks of host A and host B are set to be the same, host A and host B can communicate
C. The IP address mask b of host A and host B are different. Therefore, host A and host B cannot communicate
D. The broadcast address of host A and host B are the same

Answer: A
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QUESTION 18
As shown in the figure below. Which port of the following switches will be blocked? () (Single-choice question)

A. SWC's G0/0
B.SWA's G0/0
C.SWC's G0/0
D.G0/0 of SWB

Answer: C

QUESTION 19
Refer to the configuration of the single-arm routing in the figure below, you can judge that even if the ARP proxy is not
enabled on the sub-interface of R1,The administrative department and the financial department can also visit each other.
()(True or False)

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A. True
B. False

Answer: B

QUESTION 20
The configuration information of a certain port of the switch is shown in the figure. What is the PVID of this port? ()
(Single-choice question)

A. 100
B. 2
C. 4

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D. 1

Answer: D

QUESTION 21
As shown in the figure, the network administrator creates VLAN2 on SWA and SWB. The ports connecting the hosts on
the two switches are configured as Access ports. They are assigned to VLAN2. G0/0 of SWA and G0/0 of SWB are
configured as Trunki ports. All VLANs are allowed to pass. What is needed to achieve normal communication between
two hosts? () (Single-choice question)

A. Configure G0/0 on SWC as a trunk port and allow VLAN2 to pass. Set G0/0 as an access port. PVID is 2.
B. Create VLAN2 on SWC, configure G0/0 and G0/0 as trunk ports, and allow VLAN2 to pass
C. Just create BLAN2 on SWC
D. Configure G0/0 on SWC as a teunk port and allow VLAN2 to pass through

Answer: B

QUESTION 22
As shown in the figure, a static NAT command is deployed on router R1. When the PC accesses the Internet, the
destination address in the data packet will not change. ()(True or False)

A. True
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B. False

Answer: A

QUESTION 23
The ACL configuration information of a certain router is shown in the figure. Which of the following statements is
correct? () (Single-choice question)

A. The packet whose source IP address is 192.168.1.254 is matched by the permit rule
B. Packets with source IP addresses of 192.168.1.1 and 192.168.1.254 are matched by the permit rule
C. The packet with the source IP address of 192.168.1.1 is matched by the pemit rule
D. The packet with the source IP address 192.168.1.1 is matched by the deny rule

Answer: C

QUESTION 24
The administrator made the configuration on the router as shown in the figure. At the same time, the administrator wants
to assign a shorter lease period to the DHCP address. Which of the following commands should be used? () (Single-
choice question) ip pool pooll
netyork10.10.10.0ask255.255.255.0
gateway-list 10.10.10.1

A. Lease 0
B. Dhcp select relay
C. Lease day 0 hour 10
D. Lease 24

Answer: C

QUESTION 25
The network is shown in the figure. Which router is the BDR in this network? () (Single-choice question)

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A. Router B
B. No BDR
C. Router C
D. Router A

Answer: B

QUESTION 26
As shown in the figure below, in the MAC address table of the network. SWA and SWB, which of the MAC addresses,
VLANs, and ports are correct? () (Single-choice question)

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A. SWB:
MAC Address VLAN
Port
MAC-A
MAC-B
MAC-C
100
200
100
GEC/0
GEC/0
GEC/0

B. SWA:
MAC Address
VLAN
Port
MAC-A
MAC-B
MAC-C
10
GEC/O
GEC/0
GEC/0
20
100
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C. SWB:
MAC Address VLAN
Port
MAC-A
MAC-B
MAC-C
10
GEC/0
GEC/0
GEC/0
20
100

D. SWA:
MAC
Address VLAN
Port
MAC-A
MAC-B
MAC-C
10
GEC/0
20
GEC/0
GEC/0
100

Answer: C

QUESTION 27
The switch G0/0 port configuration information is shown in the figure. Which VLAN data frame does the switch forward
without VLANTAG? ? () (Single-choice question)

A. 10
B. 30
C. 20
D. 40
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Answer: A

QUESTION 28
As shown in the figure, the G0/0/0 and G0/0 interfaces of RTA are connected to two different network segments. RTA is
the gateway of these two networks. Before host A sends data to host C, will it send an ARP Request to obtain O's MAC
address? () (Single-choice question)

A. SW
B. Host C
C. G0/0 interface of RTA
D. G0/0/0 interface of RTA

Answer: D

QUESTION 29
The two switches shown in the figure below have both enabled the STP protocol. Which port will eventually be in the
Blocking state? ()

A. SWA's G0/0 port

B. SWA's G0/0 port
C. G0/0 port of SWB
D. G0/0 port of SWB

Answer: D

QUESTION 30
In the network as shown in the figure below, host A logs in to router A through Telnet. Then obtains the configuration
file of router B through FTP on the remote interface. At this time, how many TCP connections does router A have? ()
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(Single-choice question)

A. 4
B. 1
C. 3
D. 2

Answer: C

QUESTION 31
As shown in the picture. About OSPF topology and configuration. Which of the following statements is correct? ()
(Single-choice question)

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A. R1 and R2 can establish a stable OSPF neighbor relationship

B. R1 is more likely to become DR than R2, because its interface DR priority value is smaller
C. As long as the interface network type of R1 is restored to the default broadcast type, R1 and R2 can establish a stable
neighbor relationship
D. As long as the interface network type of R1 is restored to the default broadcast type, and the hello time is adjusted to
10s, R1 and R2 can establish a stable neighbor relationship

Answer: D

QUESTION 32
As shown in the figure, two switches use the default parameters to run STP root primary; Switch B uses the
configuration command STP priority 0. Then which port will be blocked? () (Single-choice question)

A. G0/0 of HUB
B. G0/0 of switch A
C. G0/0 of switch A
D. G0/0 of switch B

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Answer: B

QUESTION 33
As shown in the figure below. All hosts can communicate normally. Is the corresponding relationship between SWA
MAC address and port correct? () (Single-choice question)

A. MAC-A GO/0
MAC-B G0/0
MAC-C G0/0
B. MAC-A G0/0
MAC-B GO/0
MAC-C GO/0
C. MAC-A GO/0
MAC-B GO/0
MAC-C GO/0
D. MAC-A GO/0
MAC-B GO/0
MAC-C GO/0

Answer: D

QUESTION 34
The configuration information of a certain port of the switch is shown in the figure. Which of the following statements is
wrong? () (Single-choice question)

A. The port type is Hybrid

B. If the VLAN TAG carried in the data frame is 200, the switch will strip off the VLAN TAG and send it out
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C. If the port receives a data frame without VLAN TAG, the switch needs to add VLAN TAG100
D. If the VLAN TAG carried in the data frame is 100, the switch will strip off the VLAN TAG and send it out

Answer: D

QUESTION 35
The MAC address table of a certain switch is shown in the figure. If the switch receives a data frame with a destination
MAC of 5489-9811-0b49 from port Eth0/0, which of the following statements is correct? ()

A. Forward this data frame from the Eth0/0 port

B. Discard this data frame
C. Forward this data frame from the Eth0/0 port
D. Flood out this data frame

Answer: C

QUESTION 36
The network shown in the figure below. The network where host A is required to access the Internet through Easy IP,
then which of the following ACLs should be used on the G0/0 interface of router A? () (Single-choice question)

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A. acl number 2000 Rule 5 permit source 10.0.12.0.0.0.0.255#

B. acl number 2000 Rule 5 permit source 10.0.13.0.0.0.0.255#
C. acl number 2000 Rule 5 permit source 10.0.12.1.0.0.0.0#
D. acl number 2000 Rule 5 permit source 10.0.13.1.0.0.0.0

Answer: B

QUESTION 37
As shown in the figure below, what kind of network equipment can host A and host B use to communicate? () (Single-
choice question)

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A. Layer 2 switch
B. Hub
C. router
D. HUB

Answer: C

QUESTION 38
The network shown in the figure below assumes that all routers can enable OSPF at the same time.
Which router is the DR in this network? () (Single-choice question)

A. Router B
B. Router D
C. Router A
D. Router C

Answer: A

QUESTION 39
As shown in the figure, host A and host B want to implement inter-VLAN communication through single-arm routing.
What configuration should be done under the G0/0.1 interface of RTA?()(Single-choice question)

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A. dotlg termination vid 1

B. dotlq termination vid 10
C. dotlq termination vid 20
D. dotlq termination vid 30

Answer: B

QUESTION 40
As shown in the figure, the administrator hopes that all hosts cannot access the Internet from 8:00 to 17:00 every day.
Which ACL rule needs to be bound to traffic-filter outbound in the interface configuration of G0/0? () (Single-choice
question)

A. time-range am9 to pm5 08:00 to 17:00 working-day # Ac1 number 2003 Rule 5 deny time-range am9 to pm560 H12-
811HCIA-Datacom655 new question bank#
B. time-range am9 to pm5 08:00 to 17:00 daily # Acl number 2001 Rule 5 deny time-range am9 to pm5 #
C. time-range am9 to pm5 07:00 to 18:00 daily # Acl number 2002 Rule 5 permit time-range am9 to pm5 #
D. time-range am9 to pm5 08:00 to 17:00 off-day # Acl number 2004 Rule 5 permit time-range am9 to pm5

Answer: B

QUESTION 41
Regarding the configuration shown in the figure, which statement is correct? () (Single-choice question)

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A. history-command max-size20 is to adjust the size of the history named cache to 20

B. The default size of the history command cache is 5 bytes
C. After the above configuration is completed, the history command buffer can store 20 bytes of commands
D. The default size of the history command cache is 5

Answer: A

QUESTION 42
The network shown in the figure below. All links are Ethernet links, and all interfaces of all routers run OSPF protocol,
how many DRs are elected in the entire network? () (Single-choice question)

A. 1
B. 2
C. 4
D. 3

Answer: C

QUESTION 43
The network shown in the figure below. The administrator wants RTA to use a static router. Priority is given to sending
data packets to RTB's LoopbackO interface through G0/0 port. At the same time, G0/0 is used as a backup. Then any
configuration on RTA can be Realize this requirement? () (Single-choice question)

A. ip route-static10.0.2.2255.255.255.25510.0.12.2 Ip route-static10.0.2.2255.255.255.25510.0.21.2 preference 40

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B. ip route-static10.0.2.2255.255.255.25510.0.12.2 Ip route-static10.0.2.2255.255.255.25510.0.21.2
C. ip route-static10.0.2.2255.255.255.25510.0.12.2 preference 70 Ip route.-static10.0.2.2255.255.255.25510.0.21.2
D. ip route-static10.0.2.2255.255.255.25510.0.12.2 Ip route-static10.0.2.2255.255.255.25510.0.21.2 preference 70

Answer: D

QUESTION 44
In the network shown in the figure below, the switch uses VLANIF interfaces to connect with the router sub-interfaces.
Which of the following configurations can achieve this requirement? () (Singlechoice question)

A.
interface Vlanif10
Ip address10.0.12.1255.255.255.0
#
Interface GigabitEthernet 0/0
Port link-type trunk
Port trunk pvid 10
Port trunk allow-pass vlan 10
#

B.
interface Vlanif10
Ip address10.0.12.1255.255.255.0#
Interface GigabitEthernet 0/0
Port link-type trunk
Port trunk allow-pass vlan 10#

C.
interface Vlanif10
Ip address10.0.12.1255.255.255.0#
Interface GigabitEthernet 0/0
Port link-type hybrid
Port hybrid untag vlan 10
#

D.
interface Vlanif10
Ip address10.0.12.1255.255.255.0#
Interface GigabitEthernet 0/0
Port link-type access
Port default vlan 10

Answer: B
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QUESTION 45
As shown in the figure, is the description of this network topology correct? () (Single-choice question)

A. There are 6 broadcast domains in this network

B. There are 12 conflict domains in this network
C. There are 6 conflict domains in this network
D. There are 2 broadcast domains in this network

Answer: D

QUESTION 46
Use the ACL shown in the figure on the router RTA to match routing entries. Then which of the following entries will be
matched?
(RTA) acl 2002
(RTA-acl-basic-2002) rule deny source 172.16.1.1 0.0.0.0
(RTA-acl-basic-2002) rule deny source 172.16.0.0 0.255.0.0

A. 172.18.0.0
B. 172.16.1.0
C. 192.17.0.0
D. 172.16.1.1

Answer: A

QUESTION 47
The topology shown in the figure and the configuration on the interconnection ports of the switch.
Can it be judged that the data frame tagged as VLAN10 can be forwarded normally between the two switches? ()(True or
False)

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(LSW1) interface GigabitEthernet 0/0

(LSW1-GigabitEthernet0/0) port link-type trunk
(LSW1-GigabitEthernet0/0) port trunk pvid vlan 20
(LSW1-GigabitEthernet0/0) port trunk allow-passvlan 10
#
(LSW2) interface GigabitEthernet 0/0
(LSW2-GigabitEthernet0/0) port link-type trunk
(LSW2-GigabitEthernet0/0 port trunk pvid vlan 10
(LSW2-GigabitEthernet0/0) port trunk allow-passvlan 10

A. True
B. False

Answer: A

QUESTION 48
The MAC address table of existing switches is shown in the figure. Which of the following statements are correct? ()
(Single-choice question)
＜Huawei＞display mac address
MAC address table of slot 0:
MAC Address VLAN/PEVLAN CEVLAN Port Type LSP/LSR-ID
VSI/SI MAC-Tunnel
5489 9811 0b49 1 Eth0/0 static 0/
Total matching items on slot 0 displayed =1
MAC address table of slot 0:
MAC Address VLAN/ PEVLAN CEVLAN Port Type LSP/LSR-ID
VSI/SI MAC-Tunnel
5489-989d-1d30 1 Eth0/0 dynamic 0/-
5489-9885-18a8 1 Eth0/0 dynamic 0/-
Total matching items on slot 0 displayed ï¼ 2

A. The MAC address 5489-9811-0b49 is manually configured by the administrator

B. After the switch restarts, all MAC addresses need to be relearned
C. The MAC address 5489-989d-1d30 is manually configured by the administrator
D. The MAC address 5489-9885-18a8 is manually configured by the administrator

Answer: A
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QUESTION 49
In the broadcast network as shown in the figure, 0SPF runs on four routers. And in the same are

A. The same network segment. SPF will automatically elect one DR and multiple BDRs to achieve a better backup effect.
()(True or False)

A. True
B. False

Answer: B

QUESTION 50
As shown in the figure below. Which network device can host A and host B use to achieve communication? () (Single-
choice question)

A. HUB
B. Hub
C. Layer 2 switch
D. router

Answer: D

QUESTION 51
The network shown in the figure below. The router receives a data packet with a destination IP address of 11.0.12.1 from
host
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A. After this data is forwarded by the router, what are the destination MAC and destination IP?(Single-choice question)

A. MAC-C.11.0.12.1
B. MAC-B.11.0.12.1
C. MAC-D.10.0.12.2
D. MAC-D.11.0.12.1

Answer: B

QUESTION 52
The network structure and OSPF partition are shown in the figure. Except for RTA in the figure, the routers RTB, RTC
and RTD are all ABR routers. ()(True or False)

A. True
B. False

Answer: B

QUESTION 53
In the network shown in the figure below, when the 0$PF neighbor status is stable. What is the neighbor status of Router
B and Router C?

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A. Full
B. 2-way
C. Attempt
D. Down

Answer: B

QUESTION 54
In the network shown in the figure below, switch A and router A are connected by two links, and the two links are
aggregated in manual load sharing mode. The aggregated port number is 1, and the aggregated link performs data
forwarding It needs to carry VLAN TAG100, and switch A uses trunk link. Which of the following configurations
should be used for switch A? ()

A.
interface Eth-Trunk 1
Port link-type trunk
Port trunk allow-pass vlan 100#
Interface GigabitEthernet0/0Eth-trunk 1
#
Interface GigabitEthernet0/0Eth-trunk 1
#
B.
interface Vlanif 100
Ip address10.0.12.1255.255.255.0
#
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C.
interface Eth-Trunk 1
Ip address10.0.12.1255.255.255.0#
D.
interface Eth-Trunk 1
Mode lacp-static
Port link-type trunk
Port trunk allow-pass vlan 100#
Interface GigabitEthernet0/0Eth-trunk 1
#
Interface GigabitEthernet0/0Eth-trunk 1
#

Answer: D

QUESTION 55
The output information of the STP port of a certain switch is shown in the figure. Which of the following statements is
wrong? () (Single-choice question)
ï¼»Huaweiï¼½display stp interface Ethernet 0/0
-------［CIST Global Info］［Mode STP］-------
CIST Bridge: 32768.4c1f-cc46-4618
Config TimesHello 4s MaxAge 20s FwDly 15s MaxHop 20
Active Times:Hello 2s MaxAge 20s FwDly 15s MaxHop 20
CIST Root/ERPC:0.4c1f-ccf7-3214000
CIST RegRoot/IRPC: 32768.4c1f-cc46-4d18/0

A. Forward-delay is 20s
B. Configure the MaxAge of the BPDU to 20s
C. The period for sending configuration BPDUs on this port is 2s
D. The switch is not a root bridge

Answer: A

QUESTION 56
As shown in the figure. All four switches are running $TP. Various parameters are set to default values. If the GO/0 port
of switch C is blocked and cannot send configuration BPDUs through this port, how long will it take for the blocked port
in the network to enter the forwarding state? ()(Single-choice question)

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A. About 30 seconds
B. About 50 seconds
C. About 15 seconds
D. About 3 seconds

Answer: B

QUESTION 57
Complete the ACL configuration shown in the figure on the router RT

A. Which of the following descriptions is correct? () (Single-choice question)

(RTA) acl 2001
(RTA-acl-basic-2001) rule 20 permit source 20.1.1.0 0.0.0.255
ï¼»RTA-acl-basic-2001ï¼½rule 10 deny source 20.1.1.0 0.0.0.255

A. The VRP system will adjust the sequence number of the first rule to 5 according to the configuration sequence.
B. The VRP system will not adjust the sequence number, but will first match the rule permit source 20.1.1.00.0.0.255
C. The VRP system will first match the rule deny source20.1.1.00.0.0.255 according to the sequencenumber.
D. The sequence number of configuration error rules must be configured from small to large

Answer: C

QUESTION 58
In the network shown in the figure below, the host has an ARP cache, and host A sends a packet to host B. What are the
destination MAC and destination IP of this packet? () (Single-choice question)

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A. MAC-C,11.0.12.1
B. MAC-B.11.0.12.1
C. MAC-
A. 11.0.12.1
D. MAC-C.10.0.12.2

Answer: A

QUESTION 59
As shown in the figure, if the command ping 10.1.1.2 is executed on R1, the data frame of VLAN 10 received from
LSW2 by LSW1 is tagged. ()(True or False)

A. True
B. False

Answer: A

QUESTION 60
The configuration information of a certain router is shown in the figure. Which of the following statements are correct? ()
(Single-choice question)
#
aaa
authentication-scheme default
authentication-scheme huawei
authentication-mode radius
authorization-scheme default
authorization-scheme huawei
accounting-scheme default
domain default
domain default admin
domain huawei
authentication-scheme huawei
authorization-scheme huawei
local-user huawei password cipher 123456
local-user huawei@huawei password cipher 654321
#

A. The domain with the domain name huawei does not use the billing plan
B. Use the username huawei for authentication. The password needs to be 654321
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C. The authentication method adopted for the domain with the domain name huawei is local authentication
D. The authorization method for the domain with the domain name huawei is local authorization

Answer: D

QUESTION 61
The network shown in the figure below. Which router is the BDR in this network? () (Single-choice question)

A. Router A
B. Router B
C. No BDR
D. Router C

Answer: C

QUESTION 62
The output information of the router is shown in the figure. Which of the following statements is wrong? () (Single-
choice question)

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A. The MTU value of the Ethernet0/0/0 interface is 1480

B. The broadcast address corresponding to the Ethernet0/0/0 interface is 10.0.12.255
C. The physical link of the Ethernet0/0/0 interface is normal
D. Ethernet (The IP address of the /0/0 interface is 10.0.12.1

Answer: A

QUESTION 63
As shown in the broadcast network. 0SPF runs on four routers. And in the same area. Same network segment. OSPF will
automatically elect one DR and multiple BDRs to achieve a better backup effect. ()(True or False)

A. True
address of 5489-989d1d30 from the port. Forwarded from the Eth0/0 port
B. False

Answer: B
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QUESTION 64
The following two configuration commands can realize the master and backup backup of the router RIA to the same
destination 10.1.1.0.

A. True
B. False

Answer: B

QUESTION 65
The MAC address table of existing switches is shown in the figure. Which of the following statements are correct? ()
(Single-choice question)

A. Received a data frame with a source MAC address of 5489-9811-0b49 and a destination MAC The MAC address
table of existing switches is shown in the figure. Which of the following statements
B. The data frame with the source MAC address of 5489-9885-18a8 and the destination MAC address of 5489-989d-
1d30 is received from the port. It is forwarded from the Eth0/0 port
C. When the switch restarts, the MAC address learned by port Eth0/0 does not need to be relearned
D. When the switch restarts, the MAC address learned by port Eth0/0 does not need to be relearned

Answer: B

QUESTION 66
The two switches shown in the figure below have both enabled the STP protocol, which port will eventually be in the
Blocking state? ()

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A. G0/0 terminal C of STB

B. STB's G0/0 port
C. G0/0 port of STA
D. G0/0 port of STA

Answer: B

QUESTION 67
are correct? () (Single-choice question)

A. The MAC address 5489-9811-0b49 is manually configured by the administrator

B. The MAC address 5489-989d-1d30 is manually configured by the administrator
C. After the switch restarts, all MAC addresses need to be relearned. The MAC address 5489-9885- 18a8 is manually
configured by the administrator
D. The MAC address 5489-9885-18a8 is manually configured by the administrator

Answer: A

QUESTION 68
The switch GE0/0 port configuration information is shown in the figure. Which VLAN data frame does the switch not
carry when forwarding?()

A. 40
B. 10

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C. 20
D. 30

Answer: B

QUESTION 69
The network shown in the figure below. Two switches are connected by four links. COPPER refers to electrical interface
and FIBER refers to optical interface. Then which two interfaces can realize link aggregation? () (Single-choice question)

A. G0/0 and FE0/0

B. G0/0 and FE0/0
C. G0/0 and G0/0
D. G0/0 and G0/0

Answer: D

QUESTION 70
Network as shown in the picture. The administrator hopes that all hosts cannot access the Web service (the port number
is 80). Other services can be accessed normally. In the interface configuration of G0/0, which ACL rule needs to be
bound to trattie-frilter outbound?

A.
rule 5 permit ip
ARule 10 deny top destination-port eq ww#

B.
acl number 3003
Rule 5 permit ip
Rule 10 deny udp destination-port eq ww#

C.
acl number 3001
Rule 5 deny udp destination-port eq ww
Rule 10 permit ip
#

D.
acl number 3000
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Rule 5 deny tcp destination-port eq www Rule 10 permit ip

#

Answer: D

QUESTION 71
The administrator has configured the router as shown in the figure. At the same time, the administrator wants to assign a
shorter lease period to the DHCP address. Which of the following commands should be used? () (Single-choice question)

A. lease day 0 hour 10

B. lease 24
C. dhcp select relay
D. lease

Answer: A

QUESTION 72
When a company's network management needs to plan the network, the data packets that allow PC1 to access PC2 go
through the G0/0/0 port (G0/0 on the picture). The data packet that PC2 accesses to PC1 goes from port G0/0 (G0/0/0 in
the picture). () (Single-choice question)

A.
10.0.12.5255.255.255.25511.0.12.6
#10.0.12.1255.255.255.25511.0.12.1
B.
10.0.12.5255.255.255.25511.0.12.210.
0.12.1255.255.255.25511.0.12.5
C.
0.0.0.00.0.0.00
#11.0.12.6
#11.0.12.1
D.
0.0.0.0
#0.0.0.0
#11.0.12.2

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#11.0.12.5

Answer: B

QUESTION 73
Two switches use manual link aggregation at the same time. The following statement is wrong. () (Single-choice
question)

A. Only switch off G0/0 port on switch B. The Eth-Trunk status is still UP
B. Turn off the G0/0 and G0/0 ports on switch B, and the Efh-Trunk status is still UP
C. Only switch off G0/0 port on switch B. The Eth-Trunk status is still UP
D. Turn off the G0/0 and G0/0 ports on switch B. The Eth-Trunk status is down

Answer: B

QUESTION 74
As (Single-choice question)

A. Router A
B. Router B

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C. Router C
D. Router D

Answer: A

QUESTION 75
Which of the following network parameters can be assigned by Dynamic Host Configuration Protocol DHCP? ()*

A. IP address
B. Gateway address
C. Operating system name
D. DNS address

Answer: A, B, D

QUESTION 76
As shown in the following figure, in the switching network, all switches are running the stp protocol.
When the topology is stable, which of the following switches can be used to modify the BPDU sending cycle. Can it
affect the SWD configuration BPDU sending cycle? () (Single-choice question)

A. SWB
B. SWA
C. SWC
D. SWD

Answer: B

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QUESTION 77
All the devices in the picture can communicate normally. Is the corresponding relationship between the MAC address
table of $WA and the port correct? () (Single-choice question)

A.
MAC-AG0/0
MAC-BG0/0
MAC-CG0/0
B.
MAC-AG0/0
MAC-BG0/0
MAC-CG0/0
C.
MAC-A--GO/0
MAC-B--G0/0
MAC-C--GO/0
D.
MAC-A--GO/0
MAC-B-G0/0
MAC-C-GO/0

Answer: D

QUESTION 78
As shown in the figure. If host A has the ARp cache table of host B, then host A can ping host B. ()(True or False)

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A. True
B. False

Answer: B

QUESTION 79
Three Layer 2 switches are interconnected with one HUB. The switches are all enabled with STP bridge ID. Refer to the
figure below. What are the default errors of other configurations? () (Singlechoice question)

A. SWA is the root bridge in the simple network

B. The two ports on SWA are designated ports and are in the forwarding state
C. G0/0 of SWA is blocked
D. G0/0 of SWC is alternative. It is in blocking state

Answer: B

QUESTION 80
As shown in the figure, it can be judged that 00e0-fc99-9999 is the specific host and MAC address learned by the switch
through ARP. And the host has changed its IP address three times? () (Singlechoice question)
10.137.217.210 00e0-fc01-0203 E1/0/0

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10.2.2.1 00e0-fc99-9999 Eth-Trunk 1

192.168.20.1 00e0-fc99-9999 vlan100
10.0.0.1 00e0-fc99-9999 vlan200

A. True
B. False

Answer: B

QUESTION 81
How to deal with the data frame sent by the Trunki port? ()

A. When the VLAN ID. is the same as the PVID of the port and is a VLAN ID that the port allows to pass through,
remove the Tag and send the message
B. When the VLAN ID is different from the PVID of the port, the data frame is discarded
C. When the VLAN ID. is different from the PVID of the port, replace it with PVID. Forward
D. When the VLAN ID. is different from the PVID of Jingkou, the TAG is stripped and forwarded

Answer: A

QUESTION 82
How many bits are there in the VLAN ID in the VLAN format defined by IEEE802.1Q? ()

A. 12
B. 6
C. 10
D. 8

Answer: A

QUESTION 83
All ports on the root bridge exchange machine are designated ends ()

A. True
B. False

Answer: A

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QUESTION 84
Among the configuration BPDUs sent by the switch, which bridge D. is unlikely to appear? ()

A. 819200-01-02-03-04-CC
B. 409600-01-02-03-04-CC
C. 000-01-02-03-04-CC
D. 204800-01-02-03-04-CC

Answer: D

QUESTION 85
The number of VLANs that can be created using the commands "vlan batch1020 and "vlan batch10to20" respectively is ()

A. 11 and 11
B. 11 and 2
C. 2 and 2
D. 2 and 11

Answer: D

QUESTION 86
By default, the root path cost of the root bridge in the STP protocol must be 0 ()

A. True
B. False

Answer: A

QUESTION 87
The administrator hopes that all hosts cannot access the Internet from 8:00-17:00 every day, so in the interface
configuration of GO/0, trahic-HIter outbounD. Which ACL rule needs to be bound? ()

A. time-range am9topm5 08:00 to working-day Acl number 2003 rule 5 deny time-range am9topjni5
B. time-range am9topm5 08:00 to 17:00 off-day acl number 2004 rule 5 permit timerange
C. time-range am9topm5 08:00 to 17:00 daily acl number 2001 rule 5 deny time-range am9topm5
D. time-range am9topm5 07:00 to 18:00 daily Acl number 2002

Answer: C

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QUESTION 88
As shown in the figure below: The wrong statement is: ()acl number 2000 rule 5 deny source 200.0.12.00.0.0.7 rule
10permit source200.0.12.00.0.0.15 interfaceGigabitEthernetO/0 trafficfilteroutbounD. ac12000

A. The host whose source IP address is 200.0.12.4 cannot access the Internet
B. The host whose source IP address is 200.0.12.2 cannot access the Internet
C. The host whose P address is 200.0.12.8 cannot access the Internet
D. The host whose source IP address is 200.0.12.6 cannot access the Internet

Answer: C

QUESTION 89
On Huawei devices, if you use aaA authentication to authorize. When the remote server does not respond, you can
authorize from the network device side ()

A. True
B. False

Answer: A

QUESTION 90
At what percentage does the DHCP client send the lease renewal message for the first time? ()

A. 0.5
B. 0.875
C. 1
D. 0.25

Answer: A

QUESTION 91
After the administrator successfully logs in to the router through Telnet, it is found that the router's interface P address
cannot be allocated, then the possible reasons are ()

A. Telnet user level configurationB. False

B. SNMP parameter configurationB. False
C. Telnet user authentication mode configurationB. False
D. The administrator uses the telnet terminal software to prohibit the corresponding operation

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Answer: A

QUESTION 92
The vty distribution responsibility is shown in the figure, and the user authority level is set to level 3.()
ï¼»Huaveiï¼½user-interface vty o 14 Huavei-ul-vtyo-14acl 200o inbound Huavei-ui-vtyo-14Juser privilegelevel 3
ï¼»Huavei-ui-vtyo-14 ï¼½ authentication-node passworD.Please Configure the login passvord (maxiu length 16):
huavei

A. True
B. False

Answer: B

QUESTION 93
In an IPv4 network, AP supports static and DHCP methods to obtain IP addresses. ()

A. True
B. False

Answer: A

QUESTION 94
What is the maximum negotiation rate supported by the IEEE802.11g standard? ()

A. 300Mbps
B. 150Mbps
C. 54Kbps
D. 1200Mbps

Answer: C

QUESTION 95
Which of the following SNMP packets are sent to the NMS by the Agent on the managed device ()

A. Set-Request
B. Get-Request
C. Get-Next-Request
D. Response
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Answer: D

QUESTION 96
What is the corresponding Solicited.-node multicast address for IPv6 iAilt2019::8:AB.? ()

A. FF02:1:FF20:19
B. FF02:1:FE08:AB
C. FF02:FF08:AB
D. FF02:1:FF08:AB

Answer: D

QUESTION 97
Compared with the IPv4 packet header, which field is added to the IPv6 packet? ()

A. Destination Address
B. Flow Label
C. Version
D. Source Address

Answer: B

QUESTION 98
Telnet is a module that implements the Telnet protocol that comes with Python ()

A. True
B. False

Answer: A

QUESTION 99
Using the command mkdirtest in the VRP operating platform, the system will create a directory named test. ()

A. True
B. False

Answer: A
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QUESTION 100
The router receives a data packet with a destination IP address of 11.0.12.1 from host

A. After this data packet is forwarded by the router, what are the destination MAC. and destination IP? ()

A. MAC-C.11.0.12.1
B. MAC-D.10.0.12.2
C. MAC-D.11.0.12.1
D. MAC-B.11.0.12.1

Answer: C

QUESTION 101
There are multiple route entries to the same destination network in the routing table. These routes are called? ()

A. Suboptimal routing
B. Multipath routing
C. Default route
D. Equal cost routing

Answer: D

QUESTION 102
The broadcast address is a special address in which the host bits in the network address are all set to 1, and it can also be
used as a host address. ()

A. True
B. False

Answer: B

QUESTION 103
Which of the following cannot be the length of the IPv4 packet header? ()

A. 32B
B. 60B
C. 20B
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D. 64B

Answer: D

QUESTION 104
What is the priority value of the direct route entry? ()

A. 0
B. 30
C. 10
D. 20

Answer: A

QUESTION 105
"The network administrator created VLAN 10 on the Layer 3 switch and configured an IP address under the virtual
interface of the VLAN. When using the command "display ip interface brief to view the port status, and found that the
VLANIF10 interface is in the dow state, what should be done?
Operation to restore the VLANIF10 interface to normal? ()

A. Assign an interface that must be Up and must be of type Trunk into VLAN 10
B. Assign any physical interface to VLAN10
C. Assign a physical interface that must be Up to VLAN 10
D. Use the command "undo shutdown" under the VLANIF10 interface

Answer: D

QUESTION 106
The configuration information of a certain port of the switch is shown in the figure. Which of the following statements is
wrong? ()
interface GigabitEthernet0/0 port link type trunk port trunk pviD.vlan 200 port trunk allow-pass vlan100#

A. If the VLAN TAG carried in the data frame is 100, the switch will strip off the VLAN TAG and send it out
B. This port cannot send data frames carrying VLAN TAG200
C. The port type is Trunk type
D. If the port receives a data frame without VLAN TAG, the switch needs to add VLAN TAG 200

Answer: A

QUESTION 107

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A. Which of the following is not included? ()

A. Authentication
B. Accounting
C. Authorization
D. Audit

Answer: D

QUESTION 108
Which of the following statements about Prefix Segment is wrong? ()

A. Prefix Segment spreads to other network elements through the IGP protocol, which is globally visible and effective
B. Prefix Segment needs to be configured manually
C. Prefix Segment is used to identify a destination address prefix in the network (Prefix)
D. Prefix Segment can be automatically allocated by IGP

Answer: D

QUESTION 109
In the OSI reference model, what can complete end-to-end error detection and flow control is ()

A. Physical layer
B. data link layer
C. Network layer
D. Transport layer

Answer: D

QUESTION 110
In the MAC address table of the switch, which of the following entries will not age? ()

A. Dynamic MAC. Address table entry

B. Static MAC. Address table entry
C. Port MAC. Address table entry
D. Device MAC. Address table entry

Answer: B
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QUESTION 111
What is the function of the command port trunk allow pass vlan all? ()

A. If the port default vlan3 command is configured for the connected remote device, VLAN3 cannot communicate
between the two devices
B. All VLAN data frames are allowed to pass through this port
C. The connected peer device can dynamically determine which VLAN IDs are allowed.
D. The opposite port connected to the port must be configured with port trunk permit vlan all at the same time

Answer: B

QUESTION 112
The Hybri D port can be connected to the user host or other switches. ()

A. True
B. False

Answer: A

QUESTION 113
For switches running the SIP protocol, the port needs to wait for the forwarding delay in the Learning state before it can
be converted to the Forwarding state. ()

A. True
B. False

Answer: B

QUESTION 114
A DHCP server is deployed on the network, but the administrator finds that some hosts have not correctly obtained the
addresses specified by the DHCP server. What are the possible reasons? (Multiple Choice Questions)

A. The address pool of the DHCP server has all been allocated
B. Some hosts cannot communicate with the DHCP server normally, and the client systems of these hosts automatically
generate addresses in the range of 169.2540.0
C. There is another DHCP server that works more efficiently in the network
D. Some hosts cannot communicate with the DHCP server normally, and the client systems of these hosts automatically
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generate addresses in the range of 127.254.0.0

Answer: A

QUESTION 115
You can manually specify the source address or source interface of the CAPWAP tunnel on the AC. ()

A. True
B. False

Answer: A

QUESTION 116
AC. Use CAPWAP control tunnel to transmit management messages to FIT AP. ()

A. True
B. False

Answer: A

QUESTION 117
What identifies the coverage area of an AP in a WLAN? ()

A. BSS
B. SSID
C. BSSID
D. ESS

Answer: C

QUESTION 118
FIT AP can work independently without relying on AC. ()

A. True
B. False

Answer: B

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QUESTION 119
The network management workstation manages network devices through the SNMP protocol. When an abnormality
occurs in the managed device, what kind of SHMP message will the network management workstation receive? ()

A. trap message
B. get-response message
C. set-request message
D. get-request message

Answer: A

QUESTION 120
Which field of the Pv6 packet header can be used for Q0s? ()

A. Version
B. Next Header
C. TraffiC Class
D. PayloaD Length

Answer: C

QUESTION 121
Which category does the IPv6 address FE80:2E0:FCFF:FE6F:4F36 belong to? ()

A. Multicast address
B. Link local address
C. Global semicast address
D. Anycast address

Answer: B

QUESTION 122
The origin of SDN is the separation of transfer and control. The separation of transfer and control is a way to realize
SDN, not the essence. ()

A. True
B. False

Answer: A
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QUESTION 123
Which of the following IEEE802.11 standards only supports the 2.4GHz frequency band for communication? ()

A. 802.11a
B. 802.11g
C. 802.11ax
D. 802.11n

Answer: B

QUESTION 124
The MPLS label header is encapsulated between the data link layer header and the network layer header of the message.
()

A. True
B. False

Answer: A

QUESTION 125
The network management system can only view the operating status of the device through the SNMP protocol, but
cannot issue the configuration ()

A. True
B. False

Answer: B

QUESTION 126
Management Information Base (MIB) Information Base) is a virtual database, this database only exists on NMS. ()

A. True
B. False

Answer: B

QUESTION 127
If the MAC address of an interface is 0OEO-FCEF-OFEC, what is its corresponding EUI-64 address? ()
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A. 00EO-FCEF-FFFE-OFEC
B.02EO-FCFF-FEEF-OFEC
C.00EO-FCFF-FEEF-OFEC
D.02EO-FCEF-FFFE-OFEC

Answer: B

QUESTION 128
The following description of static and dynamic routing is wrong ().

A. Dynamic routing protocols take up more system resources than static routing protocols.
B. After the link fails, the static route can automatically complete the network convergence.
C. After the administrator deploys the dynamic routing protocol in the corporate network, later maintenance and
expansion can be more convenient
D. Static routing is easy to configure and easy to manage when applied in the enterprise

Answer: B

QUESTION 129
The Layer 2 Ethernet switch generates entries in the MAC address table according to the () of the Ethernet frame
received by the port. ()

A. Source IP address
B. Source MAC. Address
C. Destination MAC. Address
D. Destination IP address
Aswer: B

QUESTION 130
Which of the following statements are correct for the MAC address of the existing switch? ()

A. MAC. The address 5489-9885-18a8 is manually configured by the administrator

B. MAC. The address 5489-9811-0b49 is manually configured by the administrator
C.MAC. Address 5489-989d-1d30 is manually configured by the administrator
D. After the switch restarts, all MAC addresses need to be re-learned

Answer: B

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QUESTION 131
When the switch port sends a data frame that carries the same VLANTAG and PVID., it must be stripped of VLANTAG
and forwarded. ()

A. True
B. False

Answer: B

QUESTION 132
When the Access type port sends a message, it will ().

A. Add the VLAN information of the message, and then send it out
B. Send tagged messages
C. Strip the VLAN information of the message, and then send it out
D. Type the PVID. information of this port, and then send it out

Answer: C

QUESTION 133
In the MAC address table of the switch, which of the following entries will not age?

A. Static MAC address table entry

B. Port MAC address table entry
C. Dynamic MAC address table entry
D. Device MAC address table entry

Answer: A

QUESTION 134
By default, it takes at least 30s for the port status in the STP protocol to change from Disable D. to Forwarding status. ()

A. True
B. False

Answer: A

QUESTION 135
Which of the following descriptions about the switch is wrong?
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A. The switch is generally used as the export equipment of the network

B. Switches generally work at the data link layer
C. The switch can complete the exchange of data frames
D. The switch can provide network access services for terminal devices (PC/server)

Answer: A
Which stage in the life cycle of campus network construction is the beginning of a project? ()

QUESTION 136
Which of the following levels is not a common network level in mid-sized campus network architecture?

A. Access layer
B. Core layer
C. Convergence layer
D. Network layer

Answer: D

QUESTION 137
UDP cannot guarantee the reliability of data transmission, and does not provide the functions of message sequencing and
flow control. It is suitable for flows with low transmission reliability requirements but high transmission speed and delay
requirements. ()

A. True
B. False

Answer: A

QUESTION 138

A. Network Optimization
B. Network implementation
C. Planning and design
D. Network operation and maintenance

Answer: C

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QUESTION 139
When the router is powered on, it will read the configuration file from the default storage path to initialize the router. If
there is no configuration file in the default storage path, what will the router use for initialization? ()

A. Initial configuration
B. Current configuration
C. New configuration
D. Default parameter

Answer: D

QUESTION 140
On an interface that uses PPP as the data link layer protocol, can you configure a static route by specifying the next hop
address or outbound interface? ()
B. False

Answer: A

QUESTION 141
In the OSPF protocol, which of the following descriptions of DR is correct? ()

A. If the priority values of the two routers are equal, the router with the larger Router ID is selected as the DR
B. By default, all routers in this broadcast network will participate in the DR election
C. If the priority values of the two routers are different, the router with the lower priority is selected as the DR
D. DThe adjacency relationship should also be established between R and BDR

Answer: D

QUESTION 142
The router needs to modify the destination IP address in the data packet when forwarding the data packet. ()

A. True
B. False

Answer: B

QUESTION 143
Which of the following 0SPF protocol packets can ensure the reliability of LSA update? ()

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A. LSU
B. LSACK
C. LSR
D. DD

Answer: B

QUESTION 144
Which of the following fields is not included in the HELL0 packet of the OSPF protocol? ()

A. Neighbor
B. Network mask
C. Sysname
D. Hellointerval

Answer: C

QUESTION 145
The Huawei tracert diagnostic attack is used to track the forwarding path of data ()

A. True
B. False

Answer: A

QUESTION 146
If the network address of a network is 10.1.1.0, what is its broadcast address? ()

A. 10.1.1.2
B. 10.1.1.3
C. 10.1.1.4
D. 10.1.1.1

Answer: B

QUESTION 147
If the broadcast address of a network is 172.16.1.255, what might its network address be? ()

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A. 172.16.2.0
B. 172.16.1.128
C. 172.16.1.1
D. 172.16.1.253

Answer: B

QUESTION 148
When the IPv4 protocol is used as the network layer protocol, which field is not included in the network layer header? ()

A. Source IPv4 address

B. Sequence number
C. Destination IPv4 address
D. TTL

Answer: B

QUESTION 149
When the router forwards a data packet, if it does not match the corresponding detailed route and there is no default route,
it will directly discard the data packet ()

A. True
B. False

Answer: A
following description is correct ()

QUESTION 150
What kind of packets does the OSPF protocol use to send LSAs to neighbors? ()

A. LSU
B. LSACK
C. LSR
D. LSA

Answer: A

QUESTION 151
Apply the ACL configured in the figure in Telnet. Only the device with the IP address of 172.16.105.2 is allowed to log
in remotely: ()#acl number 2000 rule 5 permit source 172.16.105.20#

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A. True
B. False

Answer: A

QUESTION 152
Regarding the corresponding relationship between the access control list number and type, the

A. The basic access control list number range is 1000-2999

B. The number range of the second-level access control list is 4000-4999
C. The number range of the interface-based access control list is1000-2000
D. Advanced access control list number range is 3000-4000

Answer: B

QUESTION 153
What is the number range of the Layer 2 ACL? ()

A. 2000-2999
B. 3000-3999
C. 4000～4999
D. 6000～6031

Answer: C

QUESTION 154
Two authentication domains "Area1" are configured on a router acting as an authentication server And "Are
A. 2", If the user uses the correct username'huawei' and password"hello" for authentication.
Then which authentication domain will this user be assigned to? ()

A. Authentication domain "AreA 1"

B. Authentication domain "default domain\

Answer: B

QUESTION 155
What is the destination IP address of the DHCP DISCOER message? ()

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A. 127.0.0.1
B. 224.0.0.1
C. 224.0.0.2
D. 255.255.255.255

Answer: D

QUESTION 156
Which of the following IEEE802.11 standards does not support the 5GHz frequency band for communication? ()

A. 802.11g
B. 802.11aC.wave 2
C. 802.11aC.wave 1
D. 802.11n

Answer: A

QUESTION 157
In the history of WLAN development, which of the following is not included in the main wireless protocol standards in
the primary mobile office era? ()

A. 802.11g
B. 802.11a
C. 802.11b
D. 802.11ac

Answer: D

QUESTION 158
The protocol uses the P/

A. mechanism to speed up the upstream port's transition to the Forwarding state, but what is the reason for no temporary
loop? ()

A. Ensure that there will be no temporary loops through the synchronization mechanism
B. Speed up port role election
C. Reduced the time of ForwarD.Delay
D. Edge port

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Answer: A

QUESTION 159
The router running the 0SPF protocol can reach the FULL state after completing the LSDB. synchronization. ()

A. True
B. False

Answer: A

QUESTION 160
Protocol Priority Switch

A. and Switch B. adopt LACP mode link aggregation, and all interfaces join the link aggregation group.
At the same time, set the maximum number of active ports to 3. Then which port of switch A is not an active port? ()

A. G0/0
B. G0/0
C. G0/0
D. G0/0/0

Answer: C

QUESTION 161
Which information of the data frame is used by the interface to determine whether to forward Layer 2 or Layer 3
forwarding? ()

A. Source IP
B. Source MAC
C. Destination port
D. Destination MAC

Answer: D

QUESTION 162
In order to distinguish between different users and provide different network services on the AP.
Which of the following can be configured through configuration? ()

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A. VT
B. VAP
C. VAC
D. WAP

Answer: A

QUESTION 163
Network equipment running the SNMP protocol can take the initiative to report alarm information so that network
administrators can find faults in time. ()

A. True
B. False

Answer: A

QUESTION 164
The IPv6 protocol uses NS and N

A. packets for duplicate address detection ().

A. True
B. False

Answer: A

QUESTION 165
Which of the following methods can read data non-blocking in Python's telnetliB.? ()

A. telnet_Read_all
B. telnet_read_very_lazy
C. telnet._read_eager
D. telnet_reaD._very_eager

Answer: C

QUESTION 166
Which of the following commands can change the device name to huawei? ()

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A. Hostname Huawei
B. Sysname Huawei
C. Rename Huawei
D. Do name Huawei

Answer: B

QUESTION 167
Which of the following are not the characteristics of a small campus network? ()

A. Low number of users

B. Single network level
C. Simple network requirements
D. Wide coverage

Answer: D

QUESTION 168
The following rules exist in an ACL of a router. Rule deny top source192.168, 1.00.0.0.255 destination
Which statement about the 0SPF protocol DR is correct? ()

A. DR must be the highest priority device in the network

B. Router ID, the larger the value, the more preferred it is to be elected as DR
C. DR election is preemptive
D. An interface priority is 0, then the interface cannot be a DR

Answer: D

QUESTION 169
As shown in the figure below, host A and host B cannot communicate ()

A. True
B. False

Answer: A
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QUESTION 170
Which of the following is not included in AAA? ()
172.16.10.1 0.0.0.0 destination-port eq 21 is the correct statement? ()

A. sourceIP is 192.168.1.1, destination P is 172.16.10.1, and all TCP packets with destination port number 21 match this
rule
B. The source IP is 192.168.1.1, the destination IP is 172.16.10.2, and all 1CP packets whose destination port number is
21 match this rule
C. Rule sourceIP is 192.168.1.1, the destination IP is 72.16.10.3, and all TCP packets with the destination port number of
21 match this rule
D. The type of ACL is basic ACL

Answer: A

QUESTION 171
Which of the following parameters cannot be used for advanced access control lists? ()

A. Agreement number
B. Destination port number
C. Physical interface
D. time limit

Answer: C

QUESTION 172

A. 802.11n

A. Audit
B. Authentication
C. Authorization
D. Accounting)

Answer: A

QUESTION 173
If a windows host is started for the first time, if it uses DHCP to obtain an IP address, what is the source IP address of the
first packet sent by this host? ()

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A. 0.0.0.0
B. 169.254.2.33
C. 255.255.255.255
D. 127.0.0.1

Answer: A

QUESTION 174
Which of the following IE802.11 standards only supports the 24GHz frequency band for communication? ()
B. 802.11g
C. 802.11ax
D. 802.11a

Answer: B

QUESTION 175
Which packet type is used by network devices running the SNMPv1 protocol to actively send alarm information? ()

A. Trap
B. Response
C. Get Request
D. Get-Next Request

Answer: A

QUESTION 176
By default, network devices running the SNMPv2C. protocol use which of the following port numbers to send trap
messages to the network management system? ()

A. 6
B. 161
C. 17
D. 162

Answer: D

QUESTION 177
Which of the following types of addresses are not included in IPv6 addresses? ()

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A. Anycast address
B. Broadcast address
C. Unicast address
D. Multicast address

Answer: D

QUESTION 178
The IPv6 protocol uses NS and N

A. packets for duplicate address detection ()

A. True
B. False

Answer: A

QUESTION 179
Telnetlib is a module that implements the Telnet protocol that comes with Python ()

A. True
B. False

Answer: A

QUESTION 180
In the VRP interface, use the command startup saved-confi guration backup.cfg. Configure the backup.cfg file to be used
at the next startup. ()

A. True
B. False

Answer: A

QUESTION 181
The two-layer switch is a data link layer device, which can identify the MAC address information in the data frame, and
record these MAC addresses and corresponding port information in its own MAC address table. ()

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A. True
B. False

Answer: A

QUESTION 182
ifoneLength/Type = 0X8100 taught by the Ethernet data, which of the following is correct? ()

A. This data frame must carry VLAN TAG

B. There must be a UDP header in the upper layer of this data frame
C. The upper layer of this data frame must existIP header
D. There must be a TCP header in the upper layer of this data frame

Answer: C

QUESTION 183
Ethernet_I containing the Ethernet headerIWhat is the length of the frame? ()

A. 60-1560B
B. 46-1500B
C. 64-1500B
D. 64-1518B

Answer: B

QUESTION 184
By default, the bridge priority of Huawei switches is 32768 ()

A. True
B. False

Answer: A

QUESTION 185
If the configured ACL rules have an inclusive relationship, it should be noted that the rule numbers of strict conditions
need to be sorted first, and the rule numbers of loose conditions need to be sorted later to prevent packets from hitting the
rules of loose conditions and stop being pushed down to continue matching. Cannot hit the strict conditions of the rules. ()

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A. True
B. False

Answer: A

QUESTION 186
A network administrator of a company wants to be able to remotely manage the network equipment of the branch. Which
of the following protocols will be used? ()

A. RSTP
B. VLSM
C. CIDR
D. TeInet

Answer: D

QUESTION 187
The ACL on the ARG3 series routers supports two matching sequences, configuration sequence and automatic sorting. ()

A. True
B. False

Answer: A

QUESTION 188
Which of the following parameters cannot be used for advanced access control lists? ()

A. Physical interface
B. time limit
C. Agreement number
D. Destination port number

Answer: A

QUESTION 189
When using the ping command on the VRp platform, if you need to specify an IP address as the source address of the
echo request message, which of the following parameters should be used? ()

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A. =-a
B. =-S
C. =-d
D. =-1n

Answer: A

QUESTION 190
Which of the following statements about the usage scenarios of the DHCP protocol is correct? ()

A. network does not allow multiple DHCP servers

B. After receiving the DHCP request or response message, the DHCP relay does not modify the message format and
forwards it directly
C. If the DHCP client and the DHCP server are not on the same network segment, the DHCP relay needs to be used to
forward DHCP messages
D. DHCP client and DHCP server must be connected to the same switch

Answer: C

QUESTION 191
Which of the following attributes cannot be used as a parameter to measure C0st? ()

A. Time delay
B. Hop count
C. sysname
D. bandwidth

Answer: C

QUESTION 192
To ensure that the same data flow is forwarded on the same physical link, which load sharing method does the Eth-Trunk
adopt? ()

A. Flow-based load sharing

B. Packet-based load sharing
C. Load sharing based on application layer information
D. Load sharing based on data packet inbound interface

Answer: A

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QUESTION 193
Which of the following commands configures the authentication mode as HWTACACS authentication? ()

A. authentication-mode none
B. authentication-mode local
C. authentication-mode hwtacacs
D. authorization mode hwtacacs

Answer: C

QUESTION 194
The network administrator has captured a data frame on the network, and its destination MAC address is 01-00-5E-A0-
B1-C3. The correct statement about the MAC. address is ().

A. It is a multicast MAC. address

B. It is a unicast MAC. address
C. It is a broadcast MAC. address
D. It is an illegal MAC. address

Answer: A

QUESTION 195
What is the length of the basic IPv6 header in bytes? ()

A. 40
B. 64
C. 48
D. 32

Answer: A

QUESTION 196
Which of the following IEEE802.11 standards does not support communication in the 5GHz frequency band? ()

A. 802.11aC.wave 2
B. 802.11g
C. 802.11n
D. 802.11aC.wave 1

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Answer: B

QUESTION 197
The configuration of the country code will affect the frequency used for actual transmission and the maximum
transmission power. ()

A. True
B. False

Answer: B

QUESTION 198
A device has been configured to complete Telnet configuration. The device login address is 10.1.1.10.
The Telnet user name is admin and the password is Huawei@123. The following is the correct way to use telnertlit to log
in to this device? ()

A. telnetlib.Telnet (10.1.1.0
B. telnetlib.TeInet (10.1.1.0, admin
C. telnetlib.Telnet 10.1.1.0.admin.Fuawei@123)
D. telnetlib.Teinet 10.1.1.0, 23, admin.Huawei@123)

Answer: D

QUESTION 199
What command can be typed in the system view to switch to the user view? ()

A. system-view
B. quit
C. user-view
D. souter

Answer: B

QUESTION 200
Which of the following are related to the purpose of encapsulation and decapsulation? ()

A. Encapsulation and decapsulation can complete network fault location

B. Encapsulation and decapsulation are important steps to realize the functions of different protocols
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C. Interworking between different networks

D. Shorten the length of the message

Answer: C

QUESTION 201
What kind of message does the 0SPF protocol use to request the locally missing LSA? ()

A. LSACK
B. LSU
C. HELL0
D. LSR

Answer: D
New Topic: Topic 2, Exam Pool B
QUESTION 202
748.192.168.1.127 represents the () address. ()

A. broadcast
B. The internet
C. Host
D. Multicast

Answer: A

QUESTION 203
Switch stacking supports more than two devices, and multiple switches can be grouped into a logical device through
stacking. ()

A. True
B. False

Answer: A

QUESTION 204
The HybriD. port can be connected to the user host or other switches. ()

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A. True
B. False

Answer: A

QUESTION 205
When the lease period reaches what percentage does the DHCP client send the lease renewal message for the first time? ()

A. 1
B. 0.5
C. 0.875
D. 0.25

Answer: B

QUESTION 206
After FIT AP obtains AC.'s IP address, what is the first operation to perform? ()

A. Download the configuration file

B. Upgrade software version
C. Establish a CAPTAP tunnel
D. Request configuration file

Answer: C

QUESTION 207
FIT AP can work independently without relying on AC. ()

A. True
B. False

Answer: B

QUESTION 208
IPCP dynamic address negotiation can automatically obtain the address()

A. True
B. False
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Answer: A

QUESTION 209
PAP authentication is more secure than CHAP authentication because it does not carry passwords in clear text

A. True
B. False

Answer: B

QUESTION 210
Basic ACL number value range ().

A. 2000-2999
B. 1000-1999
C. 3000-3999
D. 4000-4999

Answer: A

QUESTION 211
The two ends of the PPP link are not in the same network segment and cannot communicate

A. True
B. False

Answer: B

QUESTION 212
There is no need to write a hop when writing static routes at both ends of the PPP link. The Ethernet link needs

A. True
B. False

Answer: A

QUESTION 213
DHCP is an application layer protocol. In order to make it more reliable when assigning P, its transport layer uses TCP
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protocol.

A. True
B. False

Answer: B

QUESTION 214
The DHCP request message is sent by broadcast

A. True
B. False

Answer: A

QUESTION 215

A. 1
B. 2
C. 3
D. 4

Answer: B

QUESTION 216
The transport layer protocol has UDP and TCP, but UDP is more reliable than TCP

A. True
B. False

Answer: B

QUESTION 217
UDP has a sliding window mechanism to control the speed of data transmission

A. True
B. False
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Answer: B

QUESTION 218
DNS is used for domain name resolution

A. True
B. False

Answer: A

QUESTION 219
During data access, when accessing different network segments, the destination MAC. Encapsulate the MAC address of
the gateway on the source host

A. True
B. False

Answer: A

QUESTION 220
ARP request is sent by ()

A. broadcast
B. Unicast
C. There are broadcast and unicast
D. Multicast

Answer: A

QUESTION 221
When accessing across network segments, the source and destination IP will change, and the source and destination
MAC will not change

A. True
B. False

Answer: B
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QUESTION 222
Which layer of protocol does ARP belong to

A. data link layer

B. Network layer
C. Physical layer
D. Transport layer

Answer: A

QUESTION 223
The router forwards data according to the IP routing table, and the Layer 2 switch forwards data according to the MAC.
address table

A. True
B. False

Answer: A

QUESTION 224
Layer 3 devices like routers receive data frames based on () Forwarding data frames.

A. ARP table
B. MAC. address table
C. Routing table

Answer: C

QUESTION 225
As shown in the figure, you only need to configure this static route on R1, and the two hosts can communicate with each
other normally.

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A. True
B. False

Answer: B

QUESTION 226
The priority of OSPF routing protocol is ()

A. 0
B. 10
C. 60
D. 100

Answer: B

QUESTION 227
The role of the OSPF protocol is

A. Pass routing information

B. Transmit MAC information
C. Pass ARP information
D. No effect

Answer: A

QUESTION 228
UDP is connectionless and must rely on () to ensure the reliability of transmission.

A. Internet Protocol
B. Transmission Control Protocol
C. Network layer protocol
D. Application layer protocol

Answer: C

QUESTION 229
Use the command kdir test in the VRP operating platform. The system will create a directory named test.

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A. True
B. False

Answer: A

QUESTION 230
Since the TCP protocol uses a three-way handshake mechanism when establishing a connection and closing a connection,
TCP supports reliable transmission.

A. True
B. False

Answer: B

QUESTION 231
VRP operating system commands are divided into four levels: access level, monitoring level, configuration level, and
management level. Which level can run various business configurations and set commands but cannot operate the file
system?

A. Configuration level
B. Access level
C. Management level
D. Monitoring level

Answer: A

QUESTION 232
UDP cannot guarantee the reliability of data transmission, and does not provide functions such as message sequencing
and flow control. It is suitable for flows that do not require high transmission reliability, but require high transmission
speed and delay ().

A. True
B. False

Answer: A

QUESTION 233
UDP cannot guarantee the reliability of data transmission, and does not provide functions such as message sequencing
and flow control. It is suitable for flows that do not require high transmission reliability, but require high transmission
speed and delay ().

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A. True
B. False

Answer: A

QUESTION 234
What kind of packets does the OSPF protocol use to discover and maintain neighbor relationships? ()

A. LSR
B. HELLO
C. LSU
D. DD

Answer: B

QUESTION 235
VRP operating system commands are divided into four levels: access level, monitoring level, configuration level, and
management level. Which level can run various business configuration commands but cannot operate the file system? ()

A. Configuration level
B. Monitoring level
C. Access level
D. Management level

Answer: A

QUESTION 236
Using a traditional landline to make a call is a way of network communication. ()

A. True
B. False

Answer: A

QUESTION 237
In the VRP interface, use the command delete vrpcfg.zip to delete a file. The file must be emptied in the recycle bin to
completely delete the file. ()

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A. True
B. False

Answer: B

QUESTION 238
In what state does the OSPF protocol determine the master-slave relationship of DD. packets? ()

A. ExStart
B. Full
C. 2-way
D. Exchange

Answer: C

QUESTION 239
The following two configuration commands can realize the router RT

A. The main and backup backup routes to the same destination 10.1.1.0: ()(RTA)ip route--statiC.10.1.1.02412.1.1.1
permanent(RTA)ip route--statiC.10.2.2.02413.1.1.1.

A. True
B. False

Answer: B

QUESTION 240
In the network shown in the figure below, the bridge ID of the switch has been marked. Enter thecommand stp
rootsecondary on the sWD. switch and the following switch will become the root bridge of this network. ()

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A. SWC
B. SWA
C. SWB
D. SWD

Answer: B

QUESTION 241
If the Length of an Ethernet data frame/Type = 0x8100, which of the following statements is correct?()

A. There must be an IP header in the upper layer of this data frame

B. This data frame must carry VLAN TAG
C. There must be a UDP header in the upper layer of this data frame
D. There must be a TCP header in the upper layer of this data fram

Answer: B

QUESTION 242
FAT AP can independently complete wireless user access, wireless user authentication, and business data forwarding
without AC. ()

A. True
B. False

Answer: A

QUESTION 243
In the WLAN network architecture, terminal devices that support the 802.11 standard are called? ()

A. Client
B. AC
C. STA
D. AP

Answer: C

QUESTION 244
The following statement about static routing is wrong ()

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A. Cannot automatically adapt to changes in network topology

B. Manual configuration by network administrator
C. Low system performance requirements
D. Routers need to exchange routing information

Answer: D

QUESTION 245
Which of the following IPv4 addresses can be used by a host to directly access the Internet? ()

A. 192.168.1.1
B. 172.32.1.1
C. 172.16.255.254
D. 10.255.255.254

Answer: D

QUESTION 246
The switch becomes a logical switch after stacking and clustering, and Eth-Trunk across physical devices can be
deployed to improve network reliability. ()

A. True
B. False

Answer: A

QUESTION 247
What is the value of TPID. defined by IEEE802.1Q? ()

A. 0x8200
B. 0x7200
C. 0x8100
D. 0x9100

Answer: C

QUESTION 248
When the Access type port sends a message, it will ().

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A. Strip the VLAN information of the high packet, and then send it out
B. Type the PVID. information of this port, and then send it out
C. Send tagged messages
D. Add the VLAN information of the message, and then send it out

Answer: A

QUESTION 249
The management of users by NAS devices is based on domains. Each user belongs to a domain, and adomain is a group
composed of users belonging to the same domain. ()

A. True
B. False

Answer: A

QUESTION 250
Which of the following statements about Prefix Segment is wrong? ()

A. Prefix Segment can be automatically allocated by IGP

B. Prefix Segmont needs to be configured manually
C. Prefix Segment spreads to other network elements through the IGP protocol, which is globally visible and effective
D. Prefix Segment is used to identify a destination address prefix in the network (Prefix)

Answer: B

QUESTION 251
What is correct about the SNMP protocol? ()

A. SNMP protocol uses multicast to send management messages

B. The SNMP protocol only supports sending management messages on the Ethernet link
C. SNMP uses ICMP as the network layer protocol
D. SNMP uses UDP as the transport layer protocol

Answer: D

QUESTION 252
The IPv6 address 2001: ABEF:2240E:FFE2:BCC0:CD0:DDBE:8D58 cannot be abbreviated. ()
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A. True
B. False

Answer: A

QUESTION 253
Which state does the 0SPF protocol use to indicate that the adjacency relationship has been established? ()

A. Full
B. 2-way
C. Attempt
D. Down

Answer: A

QUESTION 254
The tracert diagnostic tool in Huawei routers is used to track the data forwarding path. ()

A. True
B. False

Answer: A

QUESTION 255
There are multiple route entries to the same destination network in the routing table. These routes are called? ()

A. Equal cost routing

B. Multipath routing
C. Default route
D. Suboptimal routing

Answer: A

QUESTION 256
The broadcast address is a special address that all the host bits in the network address are set to, and it can also be used as
a host address. ()

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A. True
B. False

Answer: B

QUESTION 257
Which of the following OSCan PF protocol packets ensure the reliability of LSA update? ()

A. LSACK
B. DD
C. LSU
D. LSR

Answer: A

QUESTION 258
The last option field (option) of 1Pv4 is variable-length optional information. What is the maximum length of this field?
()

A. 10B
B. 40B
C. 60B
D. 20B

Answer: D

QUESTION 259
Which of the following advantages does the single-arm routing approach achieve inter-VLAN routing and
intercommunication? ()

A. Reduce the number of equipment

B. Reduce the use of IP addresses
C. Reduce the number of link connections
D. Reduce routing table entries

Answer: C

QUESTION 260
The switch receives a unicast data frame. If the destination MAC of the data frame can be found in the MAC table, the
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data frame will be forwarded from the corresponding port of this MAC. ()

A. True
B. False

Answer: A

QUESTION 261
The output information of the link aggregation port of a certain switch is as follows. If you want to delete Eth-Trunk1,
which of the following commands is correct? ()

A. undo interface Eth-trunk 1

B. inte GigabitEthernet 0./0 Undo eth-trunk Quit Undo interface eth-trunk 1
C. inte GigabitEthernet 0./0 Undo eth-trunk Quit inte GigabitEthernet0./0 Undo ethtrunk Quit
D. inte GigabitEthernet 0./0 Undo eth-trunk Quit Undo interface eth-trunk 1

Answer: A

QUESTION 262
Which information of the data frame is used by the VLANIF interface to determine whether to perform Layer 2 or Layer
3 forwarding? ()

A. Destination MAC
B. Source MAC
C. Destination port
D. Source IP

Answer: A

QUESTION 263
If the value of the ypeLength field of an Ethernet data frame is 0x0800, the length of the upper layer message header
carried by this data frame is in the range of 20-60B. ()

A. True
B. False

Answer: A

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QUESTION 264
When using FTP for file transfer, how many TCP connections will be established? ()

A. 2
B. 1
C. 3
D. 4

Answer: A

QUESTION 265
Which field of the ipv6 packet header can be used for QoS? ()
In order to join the wireless network $T

A. The wireless network information needs to be obtained first. Which of the following messages is used by the STA to
actively obtain the SSID information? ()

A. Probe
B. Join
C. Discovery
D. Beacon

Answer: A

QUESTION 266
In a broad sense, the transmission medium that constitutes the wireless local area network wlan does not include? ()

A. Rays
B. Radio wave
C. infrared
D. laser

Answer: A

QUESTION 267

A. Access link

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A. TraffiC.Class
B. PayloaD.Length
C. Version
D. Next Header

Answer: A

QUESTION 268
After the network administrator uses the TracertRoute function on the router device, in the data packet sent by the router,
the value of the Protoco1 field in the IPv4 header is? ()

A. 17
B. 2
C. 6
D. 1

Answer: D

QUESTION 269
The switch is connected to the host. What is the common port link type of the switch? ()

A. True
B. Trunk link
C. Trunk link
D. HybriD. link

Answer: A

QUESTION 270
When using the FTP protocol to upgrade the router software, the transmission mode should be selected ()

A. Binary mode
B. Byte mode
C. Text mode
D. Stream byte mode

Answer: A

QUESTION 271
The network structure and 0$PF partition are shown in the figure. In the figure, except for RT
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A. , therouters RTB.RTC. and RTD. are ABR routers. ()

(RTA) ip route-statiC.10.1.1.02412.1.1.1 permanent (RTA) ip route-statiC.10.2.2.02413.1.1.1.
B. False

Answer: B

QUESTION 272
The network administrator hopes to be able to effectively use the P address of the 192.168.176.0 network segment. Now
that the company’s marketing department has 20 hosts, which of the following address segments is best allocated to
the marketing department? ()

A. 192.168.176.160
B. 192.168.176.0
C. 192.168.176.96
D. 192.168.176.48

Answer: A

QUESTION 273
What is the main function of the dynamic routing protocol? ()

A. Manage routers
B. Generate IP address
C. Dynamically generate routing entries
D. Control router interface status

Answer: C

QUESTION 274
The device port running the STP protocol is in the Forwarding state. Which of the following statements are correct? ()

A. This port port not only forwards user traffic but also processes BPDU packets
B. This port only receives and processes BPDUs, and does not forward user traffic
C. The port will construct a MAC address table based on the received user traffic, but does not forward user traffic
D. The port not only does not process BPDU packets, but also does not forward user traffic

Answer: A

QUESTION 275
The following description about the specified port of the spanning tree is correct ()·

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A. The designated port can forward configuration BPDU packets to the network segment connected to it
B. The port on the root switch must not be a designated port
C. Each switch has only one designated port
D. The port on the root switch must be a designated port

Answer: A

QUESTION 276
Which of the following statements about link aggregation are correct? ()

A. GE electrical interfaces and GE optical interfaces cannot be added to the same Eth-Trurnk interface
B. Eth-Trurnk interfaces cannot be nested
C. When two devices are connected, it is necessary to ensure that the link aggregation mode on both devices is the same
D. GE interface and FE interface cannot be added to the same Eth-Trunk interface

Answer: B

QUESTION 277
What is the total length of the VLAN frame format defined by IEEE802.1Q? ()

A. 1
B. 2
C. 3
D. 4

Answer: D

QUESTION 278
CSS refers to the combination of two switch devices that support cluster features. Logically combined into one switch
device. ()

A. True
B. False

Answer: A

QUESTION 279
Which of the following statements about single-arm routing are correct? ()
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A. On the switch, configure the port connected to the router as a Trunk port, and allow the relevant AN frame to pass
B. One physical connection per VLAN
C. Need to create a subinterface on the router
D. Only one physical link is used between the switch and the router to connect

Answer: A

QUESTION 280
The election of the root switch in STP only compares the priority of the switch, while in RSTP, the priority of the switch
and the MAC address are compared at the same time. ()

A. True
B. False

Answer: B

QUESTION 281
The host uses the IP address 192.168.1.2 to access the Internet-it must go through NAT. ()

A. True
B. False

Answer: B

QUESTION 282
In the wLAN network architecture, terminal devices that support the 802.11 standard are called? ()

A. Client
B. AC
C. STA
D. AP

Answer: D

QUESTION 283

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A. Before associating to AP, it needs to obtain SSID through some message exchange. What are these messages? ()

A. Discovery
B. Beacon
C. Probe
D. ResponseProbe Request

Answer: D

QUESTION 284
Which of the following statements about MPLS Labe1 labels is wrong? ()

A. The label is encapsulated between the network layer and the transport layer
B. The label is carried by the header of the message and does not contain the topologyinformation.
C. The label is used to uniquely identify the forwarding equivalence class FEC to which a packet belongs
D. The tag is a short identifier with a fixed length. It only has a local meaning

Answer: A

QUESTION 285
The Management Information Base (MIB) (Management Information Base) is a virtual database that only exists on the
NMS. ()

A. True
B. False

Answer: B

QUESTION 286
In the VRP interface, use the command startup saved-configuration backup.cfg. Configure the startup.cfg file to be used
at the next startup ()

A. True
B. False

Answer: A

QUESTION 287
Both pwD. and dir commands in the VRP operating platform can view the file information in the current directory, ()
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A. True
B. False

Answer: B

QUESTION 288
OSThe I reference model from high-level to bottom-level is ()

A. Application layer, transport layer, network layer, data link layer, physical layer
B. Application layer Session layer Presentation layer Transport layer Network layer Data link layer Physical layer
C. Application layer Presentation layer Session layer Network layer Transport layer Data link layer Physical layer
D. Application layer Presentation layer Session layer Transport layer Network layer Data link layer Physical layer

Answer: D

QUESTION 289
A company applies for a C. address segment, which needs to be evenly distributed to 8 subsidiaries.
The largest subsidiary has 14 computers. Different subsidiaries must be in different network segments. The subnet mask
should be designed as ( )

A. 255.255.255.240
B. 255.255.255.128
C. 255.255.255.192
D. 255.255.255.0

Answer: A

QUESTION 290
LACP protocol priority, switch

A. and switch B. adopt LACP mode link aggregation, and all interfaces join the link aggregation group, and set the
maximum number of active ports to 3, then which interface of switch A is not an active port? ()

A. G0/0
B. G0/0
C. G0/0/0
D. G0/0
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Answer: B

QUESTION 291
VLAN4095 cannot be created on Huawei switches, and VLAN1 cannot be created ()

A. True
B. False

Answer: A

QUESTION 292
Which of the following port states is not included in the RSTP protocol? ()

A. Learning
B. Discarding
C. Forwarding
D. Blocking

Answer: D

QUESTION 293
The following statement about the HybriD. port is correct ()

A. When HybriD. port sends data frame, it must carry VLAN TAG
B. The HybriD. port only receives data frames with VLAN TAG
C. The HybriD port can strip off the TAG of some VLANs in the direction of the outbound interface
D. HybriD. Port does not require PVID

Answer: C

QUESTION 294
What elements can NAPT transform? ()

A. MAC. address + port number

B. Only IP address
C. IP address + port number
D. Only MAC. address
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Answer: C

QUESTION 295
The role of the collaboration layer in the SDN architecture is to complete job deployment based on user intentions.
OpenStack belongs to the business collaboration layer ()

A. True
B. False

Answer: B

QUESTION 296
The following statement about Python is incorrect ()

A. Is a fully open source high-level programming language

B. Has a rich third-party library
C. Have a clear grammatical structure, easy to learn, and high efficiency for colleagues
D. Can be used for automated operation and maintenance scripts, artificial intelligence data science and many other
fields

Answer: A

QUESTION 297
The administrator has configured the AR2200. Which of the following descriptions about theconfiguration information is
correct ()

A. The saved configuration file will be replaced by the running configuration file
B. If the user wants to clear the next startup configuration file of the device configuration, they should select "N"
C. If the user wants to clear the next startup configuration file of the device configuration, they should select "Y"
D. The next startup file of the device configuration will be retained

Answer: C

QUESTION 298
When building a campus network, which of the following protocols can be used to avoid Layer 2 loops? ()

A. SNMP
B. RSTP
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C. NAT
D. OSPF

Answer: B

QUESTION 299
The tree network topology is actually a hierarchical star structure, which is easy to expand the network scale, but the
higher the level, the more serious the network problem caused by the node failure ()

A. True
B. False

Answer: A

QUESTION 300
The router needs to modify the destination IP address in the data packet when forwarding the data packet ()

A. True
B. False

Answer: B

QUESTION 301
In the broadcast network, OSPF runs on four routers in the same area and on the same network segment. OSPF will
automatically elect one DR and multiple BDRs to achieve a better backup effect ()

A. True
B. False

Answer: B

QUESTION 302
When the IPv4 protocol is used as the network layer protocol, which field is not included in the network layer header? ()

A. Source IPv4 Address

B. TTL
C. Destination IPv4 Address
D. Sequence Number
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Answer: D

QUESTION 303
Take effect immediately after the Router ID of the OSPF process is modified ()

A. True
B. False

Answer: B

QUESTION 304
How many types of OSPF packets are there? ()

A. 2
B. 4
C. 5
D. 3

Answer: C

QUESTION 305
Network switch A and router A are connected by two links. The two links are aggregated in manual load sharing mode.
The aggregated port number is 1, and the aggregated link needs to carry VLAN
TAG100 when forwarding dat

A. The switch When A uses a trunk link, which of the following configurations need to be used by switch A? ()

A. 2
B. 4
C. 5
D. 3

Answer: B

QUESTION 306
By default, the port cost calculated by STP has a certain relationship with the port bandwidth, that is, the larger the
bandwidth, the higher the cost ()

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A. Big
B. Unanimous
C. uncertain
D. small

Answer: D

QUESTION 307
In the RSTP standard, in order to improve the convergence speed, the port that the switch is directly connected to the
terminal can be defined as ()

A. Edge port
B. Root port
C. Fast port
D. Backup port

Answer: A

QUESTION 308
The Backup port in RSTP can replace the failed root port ()

A. True
B. False

Answer: B

QUESTION 309
All four switches run STP, and various parameters adopt default values. If the G0/0 port of switch C is blocked and the
configuration BPDU cannot be sent through this port, how long will the blocked port in the network enter the forwarding
state ()

A. About 3 seconds
B. About 50 seconds
C. About 30 seconds
D. About 15 seconds

Answer: B

QUESTION 310
The link aggregation interface can only be used as a Layer 2 interface ()

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A. True
B. False

Answer: B

QUESTION 311
If the largest number in an ACL rule is 12, by default, the user does not specify a number when configuring a new rule,
then the number assigned to the new rule by the system is? ()

A. 13
B. 15
C. 14
D. 16

Answer: B

QUESTION 312
The main function of the DNS protocol is ()

A. DNS
B. file transfer
C. Remote access
D. Mail transfer

Answer: B

QUESTION 313
What is the MAC address of the data link layer of each VAP on the AP? ()

A. SSID
B. BSS
C. ESS
B. BSSID

Answer: D

QUESTION 314
Which of the following does not include the advantages of Wi-Fi6 compared to Wi-Fi5? ()

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A. Higher bandwidth
B. Lower transmission delay
C. Higher power consumption
D. Higher number of access terminals per AP

Answer: C

QUESTION 315
PPPoE sessions can only use CHAP authentication ()

A. True
B. False

Answer: B

QUESTION 316
Regarding the IPv6 address 2031:0000:720C:0000:0000:09E0:839A:130B, which of the following abbreviations are
correct? ()

A. 2031:0:720C:0:0:9E:839A:130B
B. 2031:0:720C:-9E0:839A:130B
C. 2031:0:720C:0:0:9E0:839A:130B
D. 2031:720C:9E0:839A:130B

Answer: B

QUESTION 317

Answer: D

QUESTION 319
The correct statement about the transport layer protocol is ()
Which of the following protocols does the R

A. message used by IPv6 stateless autoconfiguration belong to? ()

A. IGMPv6
B. ICMPv6
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C. UDPv6
D. TCPv6

Answer: B

QUESTION 318
When planning a campus network, which of the following mask lengths is recommended for device interconnection IP
addresses? ()

A. 16
B. 32
C. 24
D. 30

Answer: C

QUESTION 321
What is the full name of the general routing platform VRP? ()

A. UDP is suitable for the transmission of delay-sensitive traffic, and can be reorganized according to the sequence
number field in the message header
B. Well-known port number range is 0-1023
C. UDP uses the STNOACK flag to request and confirm the establishment of a connection
D. The establishment of a TCP connection is a three-way handshake, and the termination of a TCP connection requires a
four-way handshake.

Answer: B

QUESTION 320
Which of the following descriptions of wireless devices is correct? ()

A. The wireless device does not have a wired interface

B. FIT AP-Generally complete user access, authentication, service forwarding and other functions independently
C. The wireless controller AC is generally located at the convergence layer of the entire network, providing high-speed,
safe and reliable VLAN services
D. FAT AP generally works with wireless controller

A. Versatile Redundancy Platform

B. Versatile Routing Protocol
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C. Versatile Routing Platform

D. Virtual Routing Platform

Answer: C

QUESTION 322
VRP supports OSPF multi-process. If the process number is not specified when OSPF is enabled, the process number
used by default is ().

A. 10
B. 100
C. 0
D. 1

Answer: D

QUESTION 323
The administrator hopes that RT

A. uses static routing and preferentially sends data packets to RTB's Loopback0 interface through G0/0 port, while G0/0
is used as a backup. How to configure on RTA to achieve this requirement ()

A. ip route-statiC.10.0.2.2255.255.255.255 10.0.12.2ip Route-statiC.10.0.2.2255.n255.255.255 10.0.21.2 preference 40

B. ip route-statiC.10.0.2.2255.255.255.25 5 10.0.12.2 preference 70 ip routestatic/ n10.0.2.2255.255.255.25510.0.21.2
C. ip route-statiC.10.0.2.2255.255.255.255 10.0.12.2ip Route-statiC.10.0.2.2255.255.n255.25510.0.21.2
D. ip route-statiC.10.0.2.2255.255.255.25510.0.12.2ip Route-statiC.10.0.2.2255.n255.255.255

Answer: D

QUESTION 324
If the broadcast address of a network is 172.16.1.255, then its network address may be ().

A. 172.16.1.128
B. 172.16.2.0
C. 172.16.1.1
D. 172.86.1.253

Answer: A

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QUESTION 325
The administrator wants to allocate a Hundred P address on the G0/0/0 interface of the router.
Which of the following addresses is correct? ()

A. 192.168.10.112
B. 237.6.1.2
C. 127.3.1.4
D. 145.4.2.55

Answer: D

QUESTION 326
The second layer switch belongs to the data link layer device, which can identify the MAC address information in the
data frame, forward data according to the MAC address, and record these MAC addresses and corresponding port
information in its own MAC address table. ()

A. True
B. False

Answer: A

QUESTION 327
On Huawei switches, you can use the vlan batch command to create multiple VLANs in batches, simplifying the
configuration process. ()

A. True
B. False

Answer: A

QUESTION 328
Trunk ports can allow multiple VLANs to pass, including VLAN4096. ()

A. True
B. False

Answer: B

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QUESTION 329
The following is the statement about the election of active ports in link aggregation LACP mode. the correct one is? ()

A. The interface priority is compared first, and the better one cannot be judged to continue to compare the interface
number, the smaller the better.
B. Only compare interface priority
C. Compare device priority
D. Only compare interface numbers

Answer: A

QUESTION 330
After FIT AP obtains AC.'s IP address, what is the first operation to perform? ()
Which of the following parameters is not included in the configuration BPDU of the STP protocol? ()

A. Port ID
B. VLAN ID
C. Bridge ID
D. Root ID

Answer: B

QUESTION 331
A company has 50 private P addresses, and the administrator uses NAT technology to connect the company's network to
the public network, but the company has only one public network address and is not fixed. Which of the following NAT
conversion methods meets the requirements? ()

A. easy-ip
B. NAPT
C. Static NAT
D. BasiC.NAT

Answer: A

QUESTION 332

A. Upgrade software version

B. Download the configuration file
C. Establish a CAPWAP tunnel
D. Request configuration file
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Answer: C

QUESTION 333
How many types of data flows with different service levels can be marked based on MPLS labels? ()

A. 4
B. 2
C. 16
D. 8

Answer: D

QUESTION 334
The network management system can only view the operating status of the device through the SNMP protocol, but
cannot issue configurations. ()
B. False
Answer: B

QUESTION 335
Network devices running the SNMP protocol run an agent process locally. ()

A. True
B. False

Answer: A

QUESTION 336
Which of the following are not the characteristics of a small campus network? ()

A. Simple network level

B. Fewer users
C. Simple network requirements
D. Wide coverage

Answer: D

QUESTION 337
Which of the following information prompts is used by the VRP operating platform for incomplete input commands? ()

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A. Error Ambiguous commanD.founD.at"position

B. False Incomplete commanD.founD.at'position
C. Error:Too many parameters founD.at'position
D. Error: Wrong parameter founD.at'position

Answer: B

QUESTION 338
An existing switch is connected to a designated port through a port, but the port does not forward any packets, but can
monitor network changes by receiving BPDUs, then the role of the port should be ().

A. DesignateD. port
B. Alternate port
C. Disable port
D. Root port

Answer: B

QUESTION 339
If host

A. has the ARP cache of host B., host

A. can ping host B. ()

A. True
B. False

Answer: B

QUESTION 340
By default, what is the ForwarD.Delay time of the STP protocol in seconds? ()

A. 5
B. 10
C. 15
D. 20
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Answer: C

QUESTION 341
Which of the following statements is correct for the ACL configured in the Telnet application? ()

A. The device with P address 172.16.105.4 can use Telnet service

B. The device with IP address 172.16.105.3 can use Telnet service
C. The device with IP address 172.16.105.5 can use Telnet service
D. The device with P address 172.16.105.6 can use Telnet service

Answer: D

QUESTION 342
Which of the following fields is not included in the HELL0 packet of the OSPF protocol? ().

A. Neighbor
B. Network Mask
C. HelloInterval
D. Sysname

Answer: D

QUESTION 343
All interfaces of the router belong to the same broadcast domain. ()

A. True
B. False

Answer: B

QUESTION 344
The host's IPv4 address is 200.200.200.201. Which of the following hosts has an IPv4 address and its communication
does not need to be forwarded by a router? ()

A. 200.200.200.202
B. 200.200.200.200
C. 200.200.200.203
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D. 200.200.200.1

Answer: A

QUESTION 345
Among the following commands for configuring the default route, the correct one is ()

A. (Huawei-Seria10) ip route-statiC.0.0.0.0 0.0.0.00.0.0.0

B. (Huawei) ip route-statiC.0.0.0.0 0.0.0.0 192.168.1.1
C. (Huawei) ip route-statiC.0.0.0.0 0.0.0.0 0.0.0.0
D. (Huawei) ip route-statiC.0.0.0.0 255.255.255.255192.168.1.1

Answer: B

QUESTION 346
If the network address of a network is 192.168.1.0, then its broadcast address must be 192.168.1.255. ()

A. True
B. False

Answer: B

QUESTION 347
On Huawei ARG3 routers, the -i parameter of the Ping command in VRP is used to set ().

A. Destination IP address for receiving Echo Reply reply

B. The source IP address of the Echo Request message
C. Interface for receiving Echo Reply messages
D. Interface for sending Echo Request messages

Answer: D

QUESTION 348
If the Proto of a certain route information in the routing table is OSPF, the priority of this route must be 10. ()

A. True
B. False

Answer: B
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QUESTION 349
Which of the following advantages does the single-arm routing method achieve routing intercommunication between
Vlan? ()

A. Reduce the number of equipment

B. Reduce routing table entries
C. Reduce the use of IP addresses
D. Reduce the number of chain connections

Answer: D

QUESTION 350
The VlanIF IP addresses of the same switch cannot be the same. ()

A. True
B. False

Answer: A

QUESTION 351
When the host frequently moves, which VLAN division method is most appropriate? ()

A. Based on MAC. Address division

B. Based on strategy division
C. Based on IP subnetting
D. Based on port division

Answer: A

QUESTION 352
The Backup port in RSIP can replace the failed root port. ()

A. True
B. False

Answer: B

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QUESTION 353
In VRPOn the platform, the command"interfacevlanit＜vlan-id＞"The role is (). ()

A. Create a VLAN
B. No such command
C. Create or enter VLAN virtual interface view
D. Configure VLAN for a port

Answer: C

QUESTION 354
Layer 2 ACL can match source MAC, destination MAC, source IP, destination IP and other information. ()

A. True
B. False

Answer: B

QUESTION 355
When deploying ACL on Huawei equipment, which of the following descriptions is correct is ()

A. When calling ACL under the interface, it can only be applied to the outbound direction
B. ACL can match the TCP/UDP port number of the packet, and can specify the range of port numbers
C. ACL cannot be used to filter OSPF traffic, because COSPF traffic does not use UDP protocol encapsulation
D. The same ACL can be called under multiple interfaces
E. When ACL defines rules, it can only proceed in the order of 10, 20, 30

Answer: D

QUESTION 356
The configuration of the country code will affect the actual frequency used for transmission and the maximum
transmission power ()

A. True
B. False

Answer: A

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QUESTION 357
Telnet.read in TelnetliB._The role of all() is to read all data until EOF. If the echo does not return EOF, it will always
block ()

A. True
B. False

Answer: A

QUESTION 358
VRP operating platform, which of the following commands can only view static routes? ()

A. display ip routing-table protocol static

B. display ip routing-table
C. display ip routing-table verbose
D. display ip routing-table statistics

Answer: A

QUESTION 359
IP route--statiC.10.0.12.0255.255.255.0192.168.1.1 About this command description is correct ()

A. This command configures a route to the 10.0.12.0 network

B. The priority of this route is 100
C. If the router learns a router with the same destination network as this route through other protocols, the router will
prefer this route
D. This command configures a route to the 192.168.1.1 network

Answer: A

QUESTION 360
192.168.1.127 represents () address ()

A. broadcast
B. Multicast
C. The internet
D. Host

Answer: A
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QUESTION 361
What are the characteristics of VLAN based on ports? ()

A. Add an AVLAN tag to the data frame according to the IP address carried in the message
B. Assign VLAN ID according to the protocol type and encapsulation format of the data frame
C. No need to reconfigure VLAN when the host moves
D. When the host moves, the VLAN needs to be reconfigured

Answer: D

QUESTION 362
In which working state of the port in the STP protocol can it be changed to the Forwarding state without going through
other states? ()

A. Listening
B. Disabled
C. Blocking
D. Learning

Answer: D

QUESTION 363
The configuration information of a certain interface of the router is shown in the figure. Which VILAN data packet can
this port receive? () interface Gigabit Ethernet 0/0.30 dotlq terainatlon viD.100 ip address 10.0.21.1 255.255.255.0 arp
broadcast enable

A. 1
B. 100
C. 30
D. 20

Answer: B

QUESTION 364
In a Layer 2 network with redundant links, which of the following protocols can be used to avoid loops? ()

A. VRRP
B. ARP
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C. UDP
D. STP

Answer: D

QUESTION 365
For switches running the STP protocol, the port needs to wait for the forwarding delay in the Learning state to transform
into the Forwarding state. ()

A. True
B. False

Answer: B

QUESTION 366
When the switch port receives a data frame that does not carry VLAN TAG, it must add PVID. ()

A. True
B. False

Answer: A

QUESTION 367
Which of the following packet types is used by RADIUS to indicate authentication rejection? ()

A. Access-Accept
B. Access-Request
C. Access-Challenge
D. Access-Reject

Answer: D

QUESTION 368
NAPT distinguishes the IP addresses of different users through the protocol numbers in TCP, UDP, or IP packets ()

A. True
B. False

Answer: B
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QUESTION 369
Which of the following authentication methods does not require the user name and password? ()

A. authentication-mode local
B. authentication-mode none
C. authorization-mode hwtacacs
D. Authentication-mode hwtacacs

Answer: B

QUESTION 370
The CAPWAP protocol stipulates the communication standard between AC. and Ap. Which of the following statements
about the CAPWAP protocol is correct? ()

A. CAPWAP is an application layer protocol based on TCP transmission

B. In order to establish a CAPWAP tunnel, the FIT Ap can only discover the AC through broadcast messages
C. In order to reduce the burden on the AP, CAPWAP uses a tunnel to simultaneously transmit control messages and
data messages
D. The AP can encapsulate the user's data message in CAPWAP and hand it over to the AC.

Answer: B

QUESTION 371
Wireless access controller (AC, Access Cntroller) As a unified management and control device in the FIT AP
architecture, the following description of the role of AC. is wrong ()

A. No matter when the data is forwarded, the user's data message will be forwarded by AC.
B. User access control
C. User access authentication
D. AP configuration delivery

Answer: A
Eplanation:

QUESTION 372
How many more bytes are the packets using MPLS label double-layer nesting technology than the original IP packets ()

A. 32
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B. 8
C. 4
D. 16

Answer: B

QUESTION 373
1 is the IPv6 loopback address ()

A. True
B. False

Answer: A

QUESTION 374
1 is the IPv6 loopback address ()

A. True
B. False

Answer: A

QUESTION 375
Which of the following IPv6 is a global unicast address ()

A. 2001::12:1
B. FF02:1
C. FF:02:2E0:FCFF:FEEF:FEC
D. FEE:FCFF:FEEF:FEC

Answer: A

QUESTION 376
About the above configuration command is correct ()

A. Modify the user's authority level to 3. And save the configuration

B. Modify the limit level of the save command used by a user to 3
C. Modify the permission level of the user view command to 3, and save the matching sinus
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D. Modify the permission level of the save command in the user view to 3

Answer: D

QUESTION 377
When planning a campus network, which of the following methods can be used to divide service VLANs? ()

A. Divide vlan according to the access member structure

B. VLAN by business
C. Divide VLAN by logical area
D. Divide VLAN into J by geographical area

Answer: B

QUESTION 378
Which of the following descriptions about firewalls is wrong? ()

A. Firewall can isolate networks of different security levels

B. The firewall cannot network address translation
C. Firewall can realize user identity authentication
D. Firewall can realize access control between different networks

Answer: B

QUESTION 379
The correct setting of the terminal emulation program when configuring the router through the Console ()

A. 19200bps, 8 data bits, 1 stop bit, no checksum and no flow control

B. 9600bps, 8 data bits, 1 stop bit, even parity and hardware flow control
C. 9600bps, 8 data bits, 1 stop bit, no checksum and no flow control
D. 4800bps, s data bit, 1 stop bit, odd checksum and no flow control

Answer: C

QUESTION 380
The router running the OSPF protocol reaches the FULL state first, and then synchronizes the LSDB. ()

A. True
B. False
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Answer: B

QUESTION 381
Which of the following commands to configure the default route is correct? ()

A. (Huawei-serialO)ip route-statiC.0.0.0.0 0. 0.0.00.0.0.0

B. (Huawei)ip route-statiC.0.0.0.0 255.255.255.255192.168.1.1
C. (Huawei)ip route-statiC.0.0.0.0 0.0.0.0 192.168.1.1
D. (Huawei)ip route-statiC.0.0.0.0 0.0.0.0 0.0.0.0

Answer: C

QUESTION 382
Which of the following fields is not included in the He1lo packet of the OSPF protocol? ()

A. Network Mask
B. sysname
C. HelloInterval
D. Neighbor

Answer: B

QUESTION 383
What is the protocol number corresponding to the ospf protocol at the network layer? ()

A. 89
B. 6
C. 0
D. 1

Answer: A

QUESTION 384
Which of the following statements about the role of the STP protocol ForwarD.Delay is correct? ()

A. Prevent temporary loops

B. There is a delay in the transition between Blocking state and DsiableD state
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C. Reduce the time interval of BPDu transmission and improve the convergence speed of STP
D. Improve the survival time of BPDUs to ensure that the configured BPDUs can be forwarded to more switches

Answer: A

QUESTION 385
Which of the following is not the reason why RSTP can increase the speed of convergence? ()

A. Fast switching of the root port

B. The introduction of edge ports
C. Forward.Delay cancelled
D. P/

A. Mechanism

Answer: C

QUESTION 386
Neither the A1 ternate interface nor the Backup port in RSTP can forward user traffic, nor can they receive, process, and
forward BPDUs ()

A. True
B. False

Answer: B

QUESTION 387
The following description about the specified port of the spanning tree is correct ()

A. Each switch has only one designated port

B. The designated port can forward configuration BPDU packets to the network segment connected to it
C. The port on the root switch must be a designated port
D. The port on the root switch must not be a designated port

Answer: B

QUESTION 388
Which of the following statements about VLANIF interfaces are correct? ()

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A. The VANIF interface does not need to learn MAC addresses.

B. The VLANTF interface does not have a MAC address.
C. Different VLANIF interfaces can use the same IP address
D. The VLANIF interface is a Layer 3 interface

Answer: D

QUESTION 389
Which of the following statements about the edge port in the RSTP protocol is correct? ()

A. The edge port discards the received configuration BPDU packet

B. The edge port can be directly transferred to the Forwarding state from Disable
C. Edge port participates in RSTP operation
D. The interconnection ports between switches need to be set as edge ports

Answer: B

QUESTION 390
Static NAT can only achieve one-to-one mapping between private addresses and public addresses ()

A. True
B. False

Answer: A

QUESTION 391
A certain ACL of the router is in the following rules, rule deny source192.168.2.00.0.0.255 destination
172.16.10.20.0.0.0 Which of the following statements is correct? ()

A. The source IP is 172.16.10.2. All TCP packets whose destination IP is 192.168.2.1 match this rule
B. All TCP packets whose source IP is 192.168.2.1 and destination IP is 172.16.10.1 match this rule
C. sourceIP is 172.16.10.2 and all TCP packets whose destination IP is 192.168.2.0 match this rule
D. sourceIAll TCP packets whose P is 192.168.2.1 and destination P is 172.16.10.2 are configured with this rule.

Answer: D

QUESTION 392
RADIUS is a common protocol to implement AA

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A. ()

A. True
B. False

Answer: A

QUESTION 393
Telnet is based on TCP protocol ()

A. True
B. False

Answer: A

QUESTION 394
What kind of message does the DHCP server use to confirm that the host can use the IP address? ()

A. DHCP DISCOVER
B. DHCP ACK
C. DHCP OFFER
D. DHCP REQUSET

Answer: C
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 395
In order to implement FIT AP online, FIT AP first needs to obtain the IP address of AC. Which of the following options
is not included in FITAP obtaining the IP address of AC. ()

A. DHCP option mode

B. Static designation method on AP
C. Broadcasting method
D. Multicast mode

Answer: D

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QUESTION 396
On the VRP operating platform, what command is used to display the current interface configuration in the interface
view? ()

A. display users
B. display version
C. display this
D. display ip interfacebrief

Answer: A
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 397
On the VRP platform, which of the following methods can be used to access previous historical commands? ()

A. Ctr1＋U
B. Ctr1＋P
C. Left cursor
D. Up cursor

Answer: D

QUESTION 398
The subnet mask of a network segment 150.25.0.0 is 255.255.224.0, then () is a valid host address in this network
segment. ()

A. 150.25.2.24
B. 150.25.0.0
C. 150.25.1.255
D. 150.15.3.30

Answer: A
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 399
On the broadcast network, both DR and BDR use the multicast address 224.0.0.6 to receive link state update messages ()

A. True
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B. False

Answer: B

QUESTION 400
The following statement about the TTL field in the IP packet header is correct. ()

A. TTL defines the time interval at which the source host can send data packets
B. TTL defines the number of packets that the source host can send
C. Each time a P packet passes through a router, its TTL value will be reduced by 1
D. Each time an IP packet passes through a router, its TTL value is increased by 1

Answer: C

QUESTION 401
The WPLS tag header is encapsulated between the data link layer header and the network layer header of the message.
https://www.validexamdumps.com/H12-811_V1.0.html

A. True
B. False

Answer: A
New Topic: Topic 3, Exam Pool C
QUESTION 402
SNMP messages are carried over UDP.

A. True
B. False

Answer: A

QUESTION 403
Which of the following address types does IPV6 have?

A. Anycast address
B. Link local address
C. Multicast address

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D. Unicast address
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E. Broadcast address

Answer: B

QUESTION 404
The DHCPv6 server supports the provision of other configuration information such as DNS server addresses for the host.

A. True
B. False

Answer: A

QUESTION 405
Which of the following statements about Python is incorrect?

A. Python has a wealth of third-party libraries.

B. Python is a fully open source high-level programming language.
C. Python can be used for automated operation and maintenance scripts, artificial intelligence data science and many
other fields.
D. Python has a clear grammatical structure, is simple and easy to learn, and runs efficiently.

Answer: D
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 406
For multiple paths to the same destination network, the router needs to select by comparing the magnitude of the
Prererence value. If the Preference is the same, the router selects according to the magnitude of the Cost value. ()

A. True
B. False

Answer: A

QUESTION 407
When adopting LACP mode for link aggregation, what is the default system interference level of Huawei switches? ()

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A. 36864
B. 4096
C. 24576
D. 32768

Answer: D

QUESTION 408
The login timeout time in the VRP system can only be set under the vty interface. ()
https://www.validexamdumps.com/H12-811_V1.0.html

A. True
B. False

Answer: B

QUESTION 409
What kind of network equipment can host A and host B use to achieve communication?

A. router
B. Hub
C. HUB
D. Layer 2 switch

Answer: A

QUESTION 410
Which of the following IPv4 addresses is a class A address? ()

A. 192.168.1.1
B. 100.1.1.1
C. 127.0.0.1
D. 172.16.1.1
https://www.validexamdumps.com/H12-811_V1.0.html

Answer: B

QUESTION 411
The config mode is the default ACL matching order on Huawei devices. ()

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A. True
B. False

Answer: A

QUESTION 412
NAPT allows multiple private IP addresses to be mapped to the same public P address through different port numbers.
The following description of the port number in NAPT is correct ().

A. The correspondence between port numbers and private addresses must be manually configured
B. No need to do any configuration about port number
C. Only need to configure the range of port numbers
D. Need to use ACL to assign port numbers

Answer: B
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 413
Does the WEP security policy support the use of TKIP for data encryption?

A. True
B. False

Answer: B

QUESTION 414
When the FIT AP goes online, the software version will be downloaded from AC.

A. True
B. False

Answer: B

QUESTION 415
Which of the following interfaces are not open to Huawei controllers?

A. NETCONF
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B. RESTful
https://www.validexamdumps.com/H12-811_V1.0.html
C. AAA
D. OpenFlow

Answer: D

QUESTION 416
If the administrator wants to completely delete the old device configuration file, the following command is correct ().

A. clear config.zip
B. delete /unreserveD.config.zip
C. delete /force config.zip
D. reset config.zip

Answer: D

QUESTION 417
What is wrong about the following description of the router? ()

A. The router can be used as a gateway device

B. The router cannot isolate the broadcast domain
C. The router can realize IP packet forwarding
D. The router works at the network layer
https://www.validexamdumps.com/H12-811_V1.0.html

Answer: B

QUESTION 418
By default, on the broadcast networkOSPFWhat is the transmission period of the protocol HELLO message? ()

A. 10s
B. 40s
C. 30s
D. 20s

Answer: A

QUESTION 419
By default, what is the RouterDeadInterval of the ospf protocol on the broadcast network? ()

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A. 20s
B. 40s
C. 10s
D. 30s

Answer: B
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 420
When using the ping command on the VRp platform, if you need to specify a P address as the source address of the echo
request message, which of the following parameters should be used? ()

A. =-d
B. =-a
C. =-S
D. =-n

Answer: B

QUESTION 421
All interfaces of routers running 0SPF protocol must belong to the same are

A. ()

A. True
B. False

Answer: B

QUESTION 422
What is the total length of port ID in Spanning Tree Protocol? ()
https://www.validexamdumps.com/H12-811_V1.0.html

A. 2
B. 8
C. 4
D. 16

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Answer: D

QUESTION 423
When a switch receives a unicast data frame with a VLAN tag, but finds that the destination MAC address of the data
frame cannot be queried in its MAC address table, the switch's processing behavior for the data frame is ().

A. The switch will broadcast this data frame to all ports (except the receiving port) in the VLAN where
the data frame is located
B. The switch will broadcast the data frame to all ports
C. The switch will discard this data frame
D. The switch will broadcast this data frame to all Access ports

Answer: A

QUESTION 424
In the RSTP protocol, when the edge port receives the configuration BPDU message, it loses the edge port attribute. ()

A. True
https://www.validexamdumps.com/H12-811_V1.0.html
B. False

Answer: A

QUESTION 425
ST

A. The only way to discover the wireless network is the Beacom frame sent by the AP. ()

A. True
B. False

Answer: B

QUESTION 426
Which of the following commands can be used to check the session status of the PPPoE client? ()

A. display current configuration

B. display pppoe-client session summary
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C. display ip interface brief

D. display pppoe-client sessi on packet

Answer: B
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 427
An ACL rule is as follows: Which of the following IP addresses can be matched by permit rules? () rule5per mit ip
source10.0.2.00.0.254.255

A. 10.0.6.7
B. 10.0.4.5
C. 10.0.5.6
D. 10.0.2.I

Answer: C

QUESTION 428
Which of the following parameters is used in LCP negotiation to detect link loops and other abnormal conditions? ()

A. MRU
B. CHAP
C. Magic word
D. PAP

Answer: C

QUESTION 429
https://www.validexamdumps.com/H12-811_V1.0.html
What is the default step length of ACL on AR G3 series routers? ()

A. 10
B. 5
C. 20
D. 15

Answer: B

QUESTION 430
The following figure shows the routing table of a router. When the router receives a data packet with a destination IP
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address of 9.LL, the router will forward it according to the route of 91.0.016 because the mask length of this route is
longer. ()

A. True
B. False

Answer: A
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 431
Which of the following IPv6 addresses can be abbreviated as 2FFF DAC:ABEF:CDAA:732? ()

A. 2FFF:ODAC.:ABEF:0000:0000:0000:CDAA4:0732
B. 2FFF:ODAC:ABEF 0000:0000:CDAA:0732
C. 2FFF DACO:ABEF 0000000:0000:CDAA:0732
D. 2FFF:ODAC:ABEF:0000:0000:0000:CDAA:7320

Answer: B

QUESTION 432
What kind of packets does the OSPF protocol use to request LSAs that are missing locally? ()

A. HELLO
B. LSACK
C. LSR
D. LSU

Answer: C

QUESTION 433
Only the WPA2-PSK security policy supports the use of TKIP for data encryption. ()
https://www.validexamdumps.com/H12-811_V1.0.html

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A. True
B. False

Answer: A

QUESTION 434
VLAN4095 cannot be created on Huawei switches, and VLAN1 cannot be deleted. ()

A. True
B. False

Answer: A

QUESTION 435
Users cannot configure VLAN ID. to 0. ()

A. True
B. False

Answer: A
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 436
What kind of packets does the OSPF protocol use to describe its LSDB? ()

A. DD
B. HELLO
C. LSR
D. LSU

Answer: A

QUESTION 437
Which of the following information is not included in the MAC address table of the switch? ()

A. The port number

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B. MAC.Address
C. IP address
D. VLAN

Answer: C

QUESTION 438
When using the SNMPv1 protocol to manage network devices, which of the following commands is used by the network
management system to complete the configuration of the network devices? ()
https://www.validexamdumps.com/H12-811_V1.0.html

A. Get-Next Request
B. Response
C. Set Request
D. Get-Request

Answer: C

QUESTION 439
What is wrong about the ARP message? ()

A. ARP packets cannot be forwarded to other broadcast domains

B. ARP reply message is sent by unicast party
C. ARP request message is sent by broadcast
D. Any link layer protocol requires ARP protocol to assist in obtaining data link layer identification

Answer: D

QUESTION 440
FIT AP does not need AC. It can also work independently ()

A. True
B. False
https://www.validexamdumps.com/H12-811_V1.0.html

Answer: B

QUESTION 441
In order for the STA to obtain the SSID related information on the AP, which of the following messages is used by the
AP to proactively declare the wireless network SSID information? ()

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A. Join
B. eacon
C. Probe
D. Discovery

Answer: B

QUESTION 442
As shown in the figure, two hosts realize communication between TAs through single-arm routing.
When the G0/0.2 sub-interface of RT

A. receives the data frame sent by host B. to host

A. , RT

A. will execute which of the following Operation? ()

https://www.validexamdumps.com/H12-811_V1.0.html

A. RT

A. First delete VLAN tag 20, then add VLAN tag 10, and then send it out via G0/0.1 interface
B. RT

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A. Forward the data frame directly through the G0/0.1 sub-interface

C. RT

A. The data frame will be discarded

D. RT

A. After deleting VLAN tag 20, it will be sent out by G0/0.1 interface

Answer: A

QUESTION 443
The FIT AP can obtain the IP address of AC. through the DHCP Option to establish a CAPWAP tunnel.
Which Option needs to be configured on the DHCP server for this? ()

A. Option 82
B. Option 10
C. Option 43
D. Option 55
https://www.validexamdumps.com/H12-811_V1.0.html

Answer: A

QUESTION 444
When the device running STP receives the RSTP configuration BPDU, it will discard it. ()

A. True
B. False

Answer: A

QUESTION 445
The mask length is 12 bits can be expressed as?

A. 255.240.0.0
B. 255.248.0.0
C. 255.255.0.0
D. 255.255.255.0

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Answer: A

QUESTION 446
https://www.validexamdumps.com/H12-811_V1.0.html
UDP is oriented to connectionless and must rely on () to ensure the reliability of transmission. ()

A. Internet Protocol
B. Transmission Control Protocol
C. Application layer protocol
D. Network layer protocol

Answer: C

QUESTION 447
What is RouterDeadInterval of the OSPF protocol on the broadcast network by default? ()

A. 40s
B. 10s
C. 20s
D. 30s

Answer: A

QUESTION 448
By default, what is the period for sending 0SPF HELLO packets on the broadcast network? ()
https://www.validexamdumps.com/H12-811_V1.0.html

A. 10s
B. 20s
C. 30s
D. 40s

Answer: A

QUESTION 449
In the VRP system, what function does the Ctrl+Z key combination have? ()

A. Return to user view from any view

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B. Return from system view to user view

C. Exit interface view
D. Exit the current view
E. Exit the console interface view

Answer: A

QUESTION 450
As shown in the figure below, assuming that the MAC address table of SW

A. is as follows, now host

A. sends a data frame with a destination MAC address of MAC-B. Which of the following statements is correct? ()

https://www.validexamdumps.com/H12-811_V1.0.html

A. Flood out this data frame

B. Forward this data according to the G0/0 port
C. SW

A. Discard the data frame

D. Forward this data frame from port G0/0

Answer: B

QUESTION 451
A company applies for a C. IP address segment, which needs to be evenly distributed to 8 subsidiaries. The largest
subsidiary has 14 computers. Different subsidiaries must be in different network segments, so the subnet mask should be
set. for()

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A. 255.255.255.192
B. 255.255.255.240
C. 255.255.255.0
D. 255.255.255.128

Answer: B
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 452
After the network administrator uses the Tracer tRoute function on the router device, in the data packet sent by the router,
the value of the Protoco1 field in the IPv4 header is?

A. 17
B. 2
C. 1
D. 6

Answer: A

QUESTION 453
Which of the following routing protocols has the highest priority?

A. RIP
B. Direct
C. Static
D. OSPF

Answer: B

QUESTION 454
https://www.validexamdumps.com/H12-811_V1.0.html
Which of the following fields is not included in the HELL0 packet of the OSPF protocol?

A. Network H
A. sk
B. Nei ghbor
C. sysname
D. He11 oInt erval
E. He11 oInt erval
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Answer: C

QUESTION 455
Broadcast network. OSPF runs on four routers in the same are

A. Same network segment. OSPF will automatically elect one DR and multiple BDRs to achieve better backup results

A. True
B. False

Answer: B

QUESTION 456
The administrator plans to implement route backup by configuring static floating routes, the correct way to achieve this
is ().

A. The administrator needs to configure different protocol priority values for the main static route
https://www.validexamdumps.com/H12-811_V1.0.htmland the standby static route
B. The administrator only needs to configure two static routes
C. The administrator needs to configure different metric values for the main static route and thestandby static route. The
administrator only needs to configure two static routes
D. The administrator only needs to configure two static routes

Answer: A

QUESTION 457
The following protocols are China's link state routing protocol

A. PTP
B. OSPF
C. Direct
D. Static

Answer: B

QUESTION 458
When two OSPF routers form a 2TAY neighbor relationship, LSDB. has been synchronized.

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A. True
B. False
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Answer: B

QUESTION 459
The change of the Router ID of the OSPF process takes effect immediately.

A. True
B. False

Answer: B

QUESTION 460
Which of the following protocols is OSPF based on?

A. UDP
B. HTTP
C. TCP
D. IP

Answer: D

QUESTION 461
https://www.validexamdumps.com/H12-811_V1.0.html
OSPF Router ID. It must be the same as the IP address of an interface on the router.

A. True
B. False

Answer: B

QUESTION 462
The following two configuration commands can implement router RI

A. The route to the same destination 10.1.1.1.0 is active and standby:

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A. True
B. Mistake

Answer: B

QUESTION 463
The administrator wants to configure the P address on the G0/0/0 interface of the router. Which of the following
addresses is correct?

A. 237.6.1.2
B. 145.4.2.55
C. 127.3.1.4
D. 192.168.10.112
https://www.validexamdumps.com/H12-811_V1.0.html

Answer: B

QUESTION 464
To ensure that the same data stream is forwarded on the same physical link, which load sharing method does Eth Trunk
use?

A. Load sharing based on data packet inbound interface

B. Packet-based load sharing
C. Load sharing based on application layer information
D. Flow-based load sharing

Answer: D

QUESTION 465
Which bridge is in the configuration BPDU sent by the switchID. Impossible to appear?

A. 204800-01-02-03-04CC
B. 819200-01-02-03-04-CC
C. 000-01-02-03-04cc
D. 409600-01-02-03-04-CC

Answer: A
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QUESTION 466
By default, the bridge priority of Huawei switches is 32768.

A. True
B. False

Answer: A

QUESTION 467
The Trunk port can send both tagged data frames and untagged data frames.

A. True
B. False

Answer: A

QUESTION 468
The RSTP protocol uses the P/A mechanism to speed up the speed of the upstream port to the Forwarding state, but what
is the reason for the no temporary loop? . Shorten the time of ForwarD.Delay

A. Shorten the time of ForwarD.Del ay

https://www.validexamdumps.com/H12-811_V1.0.html
B. Edge port
C. Speed up port role election
D. Ensure that there will be no temporary loops through the synchronization mechanism

Answer: D

QUESTION 469
What is the length of the Ethernet II frame containing the Ethernet header?

A. 64-1518B
B. 60-1560B
C. 46-1500B
D. 64-1500B

Answer: A

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QUESTION 470
In a Layer 2 network with redundant links, which of the following protocols can be used to avoid loops?

A. STP
B. UDP
C. ARP
https://www.validexamdumps.com/H12-811_V1.0.html
D. VRRP

Answer: A

QUESTION 471
If the Length/Type of an Ethernet data frame is 0x8100. Which of the following statements is correct?

A. There is always a UDP header in the upper layer of each data frame
B. The upper layer of a data frame must exist IP header
C. There is always a TCP header in the upper layer of each data frame
D. Each data frame must carry VLAN TAG

Answer: B

QUESTION 472
RADIUS is a common protocol to implement AA
A.

A. True
B. False

Answer: A
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 473
After the administrator successfully logged in to the router through Te1net, he found that the router’s interface could
not be configuredIP address. Then the possible reasons are ()

A. The Telnet terminal software used by the administrator prohibits the corresponding operation
B. SNMP parameter configuration fiveMistake
C. Telnet user authentication mode configurationMistake
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D. Telnet user level configurationMistake

Answer: D

QUESTION 474
When AP and MC are in different Layer 3 networks, what method is recommended for AP to discover AC?

A. DHCP
B. DNS
C. Broadcasting method
D. Manually specified on AP

Answer: C

QUESTION 475
https://www.validexamdumps.com/H12-811_V1.0.html
AP does not need AC. It can independently complete the work of wireless user access, wireless user authentication, and
business data forwarding.

A. True
B. False

Answer: B

QUESTION 476
In order for the STA to obtain the SSID related information on the AP, which of the following messages is used by the
AP to proactively declare the wireless network SSID information?

A. Join
B. Beacon
C. Probe
D. Discovery

Answer: D

QUESTION 477
To provide different network services for different users on the AP, which of the following can be configured?

A. TAP
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B. VAP
C. VAC
D. VT

Answer: C

QUESTION 478
AC uses CAPTAP control tunnel transmission to FIt AP management packet

A. True
B. False

Answer: B

QUESTION 479
The following statement about static routing in Huawei equipment is wrong ().

A. The cost value (Cost) of a static route cannot be modified.

B. The default value of the static route priority is 60
C. The range of static route priority value is 1-255
D. When the priority of a static route is 0, the route will definitely be preferred.

Answer: C
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 480
Which of the following statements is correct? ()

A. The router works at the physical layer

B. The switch works at the physical layer
C. The switch works at the network layer
D. The router works at the network layer

Answer: D

QUESTION 481
On an interface that uses PPP as the data link layer protocol, you can configure a static route by specifying the next hop
address or outgoing interface. ()

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A. True
B. False

Answer: A

QUESTION 482
The following description of the Layer 2 Ethernet switch is incorrect ().
https://www.validexamdumps.com/H12-811_V1.0.html

A. Need to make certain modifications to the layer 3 header of the forwarded message, and then forward it
B. Able to learn MAC. Address
C. Forward according to the Layer 2 header information of the Ethernet frame
D. Layer 2 Ethernet switch works at the data link layer

Answer: A

QUESTION 483
When learning this switch needs to forward the frame with the destination MAC. The address is 5489-98ec-f011, the
following description is correct ()

A. The switch will flood the frame on all ports except the port that received the frame
B. The switch will send a message that the destination is unreachable to the source device
C. The switch does not find a matching entry in the MAC. address table, so the frame will be discarded
D. The switch needs to discover the MAC by sending a request..Device with address 548998ec-f011

Answer: A

QUESTION 484
What is the range of VLAN ID that users can use? ()
https://www.validexamdumps.com/H12-811_V1.0.html

A. 1-4096
B. 1-4094
C. 0-4096
D. 0-4095

Answer: B

QUESTION 485
By default, in the SNMP protocol, which port number does the agent process use to send alarm messages to N? ()
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A. 164
B. 163
C. 162
D. 161

Answer: C

QUESTION 486
AA

A. Which of the following is not included? ()

A. Audit
B. Accounting
https://www.validexamdumps.com/H12-811_V1.0.html
C. Authentication
D. Authorization

Answer: A

QUESTION 487
What is the port number used by the FTP protocol control plane? ()

A. 23
B. 24
C. 21
D. 22

Answer: C

QUESTION 488
There is no channel overlap in the 14 available frequency bands in the 2.4GHz frequency band. ()

A. True
B. False

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Answer: B
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QUESTION 489
After link authentication is completed, ST

A. will continue to initiate link service negotiation. Which of the following messages will be used to achieve the specific
negotiation? ()

A. Join
B. Handshake
C. Association
D. Negotiate

Answer: D

QUESTION 490
The Layer 2 networking of WLAN refers to ST

A. It uses AC as its own gateway. ()

A. True
B. False

Answer: A

QUESTION 491
What is the IEEE802.11 standard corresponding to Wi-F16? ()
https://www.validexamdumps.com/H12-811_V1.0.html

A. 802.11au
B. 802.11ax
C. 802.11at
D. 802.11ac

Answer: B

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QUESTION 492
Which of the following statements about Adjacency Segment is wrong? ()

A. Adjacency Segment is identified by Adjacency Segment ID. (SID)

B. Adjacency Segment spreads to other network elements through the IGP protocol, which is visible globally and valid
locally
C. Adjacency Segment must be configured manually
D. Adjacency Segment is used to identify an adjacency of a node in the network

Answer: C

QUESTION 493
If during the PPP authentication process, the authenticatee sends the wrong user name and password to the authenticator,
what type of message will the authenticator send to the authenticatee? ()

A. Authenticate-Reject
https://www.validexamdumps.com/H12-811_V1.0.html
B. Authenticate-Ack
C. Authenticate-Nak
D. Authenticate-Reply

Answer: C

QUESTION 494
Which version of the SNMP protocol below supports encryption features? ()

A. SNMPv3
B. SNMPv2c
C. SNMPv1
D. SNMPv2

Answer: A

QUESTION 495
SNMPv1 defines five protocol operations. ()

A. True
B. False

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Answer: A
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QUESTION 496
The IPv6 address 2001: ABEF:224E:FFE2:BCC0:CD00:DDBE:8D58 cannot be abbreviated. ()

A. True
B. False

Answer: A

QUESTION 497
The DHCPv6 server supports the provision of other configuration information such as DNS server addresses for the
host. ()

A. True
B. False

Answer: A

QUESTION 498
Which of the following statements about direct routing is correct? ()

A. Direct routing requires the administrator to manually configure the destination network and next
https://www.validexamdumps.com/H12-811_V1.0.html
hop address
B. Direct routes have lower priority than static routes
C. Direct routing has lower priority than dynamic routing
D. Direct routing has the highest priority

Answer: D

QUESTION 499
When two OSPF routers form a 2-WAY neighbor relationship, LSDB. has been synchronized. ()

A. True
B. False

Answer: B
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QUESTION 500
If the Proto of a certain route information in the routing table is Direct, the priority of this route must be0.()

A. True
B. False

Answer: A
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 501
The election of the root switch in STP only compares the priority of the switch, while in RSTP, the priority of the switch
is compared with the MAC address at the same time. ()

A. True
B. False

Answer: B

QUESTION 502
The IP addresses of the VLANIF interfaces of the same switch cannot be the same. ()

A. True
B. False

Answer: A

QUESTION 503
When an Access type port sends a message, it will ()·

A. Send tagged messages

B. Strip the VLAN information of the message, and then send it out
https://www.validexamdumps.com/H12-811_V1.0.html
C. Type the PVID. information of this port, and then send it out
D. Add the ZLAN message of the message, and then send it out

Answer: B

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QUESTION 504
The configuration information of a certain port of the switch is shown in the figure. Then, when the data frame of which
VLAN is sent by this port, it carries the VLAN TAG? ()interface GigabitEtherneto/0 port hybriD.taggeD.vlan 2 to 3 100
port hybriD. untaggeD. vlan 4 6#

A. 1, 2.3, 100
B. 2, 3, 100
C. 1, 2, 3, 4.6, 100
D. 2.3, 4, 6, 100

Answer: B

QUESTION 505
What is the value of the Type field in the RStp configuration BPDU message? ()

A. 0x01
B. 0x00
C. 0x02
D. 0x03
https://www.validexamdumps.com/H12-811_V1.0.html

Answer: C

QUESTION 506
The Priority field in the VLAN tag can identify the priority of the data frame. What is the scope of this priority? ()

A. 0-15
B. 0-63
C. 0-3
D. 0-7

Answer: D

QUESTION 507
What elements can NAPT convert? ()

A. Only MAC. address

B. IP address + port number
C. MAC. Address + port number
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D. Only IP address

Answer: B
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QUESTION 508
There is a WeB server in the private network that needs to provide HITP services to public network users. Therefore, the
network administrator needs to configure NAT on the gateway router RT
A.

A. RTA-Gigabitethernet0/0 nat server protocol tcp global 192.168.1.1 www inside 202.10.10.18080
B. (RTA-Serial1/0) nat server protocol tcpglobal 192.168.1.1 www inside202.10.1 0.18080
C. (RTA-Gigabitethernet0/0) nat server protocol tcp global 202.10.10.1 www inside 192.168.1.18080
D. (RTA-Serial1/0) nat server protocol top global 202.10.10.1 www inside192.168.1.18080

Answer: D

QUESTION 509
A network engineer prompts the following message when entering the command line: Error:
UnrecognizeD.commanD.founD.at 'ï¼¾' position. Which of the prompt information is correct? ()

A. The input command is incomplete

B. Wrong parameter type
C. Keyword not found
D. The input command is ambiguous

Answer: C
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 510
System-view (huawei) command-privilege level3 view user save is correct about the above configuration command ()

A. Modify the user's authority level to 3, and save the configuration

B. Modify the permission level of the user view command to 3, and save the configuration
C. Modify the authority level of the save command used by a user to 3
D. Modify the permission level of the save command in the user view to 3

Answer: D

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QUESTION 511
Which of the following descriptions about the switch is wrong? ()

A. The switch can complete the exchange of data frames

B. The switch can provide network access services for terminal equipment (PC. Server)
C. Switches generally work at the data link layer
D. The switch is generally used as the export equipment of the network

Answer: D

QUESTION 512
Which of the following descriptions about firewalls is wrong? ()
https://www.validexamdumps.com/H12-811_V1.0.html

A. Firewall can realize user identity authentication

B. Firewall can realize access control between different networks
C. The firewall can isolate the network of unreachable security level
D. The firewall cannot implement network address translation

Answer: D

QUESTION 513
On the VRP platform, the default protocol priority of routes in the direct route, static route, RIP.OSPF area, from high to
low, is ()

A. Direct route. OSPF. Static route. RIP

B. Direct route.Static route.RIP.OSPF
C. Direct route. RIP. Static route. OSPF
D. Direct route. OSPF. RIP. Static route

Answer: A

QUESTION 514
On Huawei routers, what is the default value of the OSPF protocol internal routing priority? ()

A. 20
https://www.validexamdumps.com/H12-811_V1.0.html
B. 10
C. 30
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D. 0

Answer: B

QUESTION 515
The load sharing mode at both ends of the Eth-Trunk can be inconsistent ()

A. True
B. False

Answer: B

QUESTION 516
When Huawei switches allow STP, the priority of the switch by default is ()

A. 32768
B. 8192
C. 16384
D. 4096

Answer: A
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 517
On Huawei equipment, if AAA authentication is used for authorization, when the remote server does not respond,
authorization can be performed from the network equipment side ()

A. True
B. False

Answer: A

QUESTION 518
In IPv4 network, AP supports static and DHCP to obtain IP address ()

A. True
B. False

Answer: A
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QUESTION 519
For the description of the PPP link establishment process, the following statement is wrong ()

A. In the Establish phase, the PPP link performs LCP parameter negotiation. The negotiation content
https://www.validexamdumps.com/H12-811_V1.0.html includes the maximum receiving unit MRU, authentication
method magic word and other options
B. After the NCP negotiation is successful, the PPP link will maintain the communication state and enter the Terminate
phase
C. The Dead phase is also called the physical layer unavailable phase. When both ends of the communication parties
detect that the physical circuit is activated, they will migrate from the Dead phase to the Establish phase, which is the
link establishment phase.
D. In the Network phase, the PPP link performs NCP negotiation. Select and configure a network layer protocol through
NCP negotiation, E.PPP link supports half-duplex and full-duplex modes

Answer: B

QUESTION 520
Which of the following commands can be used to view the CPU usage of the router? ()

A. display cpu-state
B. display interface
C. display memory
D. display cpu-usage

Answer: D

QUESTION 521
Which of the following IPv6 addresses is a multicast address? ()

A. FE80:2EO:FCFF:FEEF:FEC
https://www.validexamdumps.com/H12-811_V1.0.html
B. FC0O:2EO:FCFF:FEEF:FEC
C. FF02::2EO:FCFF:FEEF:FEC
D. 2000::2EO:FCFF:FEEF:FEC

Answer: C

QUESTION 522
As name is admin and the password is Huawei (@123. The following is the correct way to log in to this device using
telnetliB. ()
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A. telnetlib.Telnet (10.1.1.0, 23, admin, Huawei@123)

B. telnetlib.Telnet (10.1.1.0)
C. telnetlib.Telnet 10.1.1.0, 23, Huawei@123)
D. telnetlib.Telnet (10.1.1.0, admin

Answer: A

QUESTION 523
Currently, the company has a network administrator, and the AR2200 in the company network can be remotely managed
by directly entering the password through Telnet. After the two new network administrators arrived, the company hopes
to assign their own user names and passwords to all the administrators, as well as different levels of authority. So how
should it be done? ()

A. Each administrator uses a different public IP address of the device when running the Telnet command
https://www.validexamdumps.com/H12-811_V1.0.html
B. The user authentication mode configured by Telnet must be AA
A.
C. When configuring each administrator’s account, different permission levels need to be configured
D. Configure three user names and their corresponding passwords in the AA

A. view

Answer: B, C, D

QUESTION 524
Which of the following IPv4 addresses the host uses cannot directly access the Internet? ()

A. 100.1.1.1
B. 50.1.1.1
C. 10.1.1.1
D. 200.1.1.1

Answer: C

QUESTION 525
What kind of message does the OSPF protocol use to confirm the received LSU message? ()

A. LSU
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B. LSR
C. LSACK
D. LSA
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Answer: C

QUESTION 526
Which of the following is not the reason why RSTP can increase the speed of convergence? ()

A. The introduction of edge ports

B. Fast switching of the root port
C. P/A mechanism
D. Forward.delay cancelled

Answer: D

QUESTION 527
The link aggregation interface can only be used as a Layer 2 interface (C)

A. True
B. False

Answer: A

QUESTION 528
https://www.validexamdumps.com/H12-811_V1.0.html
The RSTP protocol uses the P/A mechanism to speed up the upstream port's transition to the Forwarding state, but what
is the reason for no temporary loop? ()

A. Speed up port role election

B. Ensure that there will be no temporary loops through the synchronization mechanism
C. Edge port
D. Reduced the time of ForwarD.Delay

Answer: B

QUESTION 529
The static MAC. address table will not be lost after the system restarts ()

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A. True
B. False

Answer: A

QUESTION 530
In standard STP mode, which of the following non-root switches will forward the C-set BPDU generated by the root
switch? ()

A. Designated port
B. Root port
https://www.validexamdumps.com/H12-811_V1.0.html
C. Backup port
D. Preparatory port

Answer: A

QUESTION 531
When the host frequently moves the office, which VLAN division method is most suitable? ()

A. Based on MAC. Address division

B. Based on port division
C. Based on IP subnetting
D. Based on strategy division

Answer: A

QUESTION 532
If a windows host is started for the first time, if it uses DHCP to obtain an IP address, what is the source IP address of the
first packet sent by this host? ()

A. 127.0.0.1
B. 169.254.2.33
C. 0.0.0.0
D. 255.255.255.255
https://www.validexamdumps.com/H12-811_V1.0.html

Answer: C

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QUESTION 533
In order to realize the launch of FIT AP, FIT AP first needs to obtain the IP address of AC. Which of the following is not
included in the way FITAP obtains the IP address of AC.? ()

A. Broadcasting method
B. Static designation method on AP
C. Multicast mode
D. DHCP Option mode

Answer: A

QUESTION 534
Which of the following messages does the AP use to request the software version from AC.? ()

A. VRP System Request

B. Software Request
C. Image Dat
A. Request
D. Image package Request

Answer: C
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 535
The IEEE802.11aC. standard only supports the 5GHz frequency band ()

A. True
B. False

Answer: B

QUESTION 536
Which of the following descriptions of wireless devices is correct? ()

A. The wireless controller AC is generally located at the convergence layer of the entire network, providing high-speed,
safe and reliable VLAN services
B. FIT AP generally independently completes user access, authentication, service forwarding and other functions
C. FAT AP. Generally work with wireless controller
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D. The wireless device does not have a wired interface

Answer: A

QUESTION 537
Which of the following is not included in the VRP system login method? ()
https://www.validexamdumps.com/H12-811_V1.0.html

A. Telnet
B. Netstream
C. SSH
D. web

Answer: B

QUESTION 538
Can the administrator modify the device name for the router under ()?

A. User-view
B. Protocol-view
C. System-view
D. Interface-view

Answer: C

QUESTION 539
In the campus network, the reliability of the network can be improved by using link aggregation and stacking technology.
()

A. True
https://www.validexamdumps.com/H12-811_V1.0.html
B. False

Answer: A

QUESTION 540
If it is UDP, the value of the protocol field of the network layer is 6 ()

A. True
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B. False

Answer: A

QUESTION 541
If the application layer protocol is Te1net, then the value of the Protoco1 field in the IPv4 header? ()

A. 23
B. 17
C. 6
D. 67

Answer: A
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 542
At what layer of the OSI reference model does a router operate? ( )

A. Data link layer

B. Transport layer
C. Application layer
D. Network layer

Answer: D

QUESTION 543
VRP operating platform, which of the following commands can only view static routes? ()

A. display ip routing-table statistics

B. display ip routing-table verbose
C. display ip routing-table
D. display ip routing-table protocol static

Answer: D

QUESTION 544
Which of the following OSPF versions is suitable for IPv6? ()
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A. OSPFv1
B. OSPFv2
C. OSPFv3
D. OSPFv4

Answer: C

QUESTION 545
When two OSPF routers form a 2-WAY neighbor relationship, the LSDB. has been synchronized. ()

A. True
B. False

Answer: B

QUESTION 546
Switch stacking supports more than two devices, and multiple switches can be grouped into a logical device through
stacking. ()

A. True
B. False
https://www.validexamdumps.com/H12-811_V1.0.html

Answer: A

QUESTION 547
At which layer of the OSI reference model do Ethernet switches operate? ( )

A. Network layer
B. Data link layer
C. Physical layer
D. Transport layer

Answer: B

QUESTION 548
The bridge ID of the STP protocol in the switching network is as follows. Which of the following bridge IDs will be the
root bridge? ()

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A. 409600-01-02-03-04-DD
B. 3276800-01-02-03-04-AA
C. 3276800-01-02-03-04-CC
D. 3276800-01-02-03-04-BB

Answer: A
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 549

A. Uses NAT technology and realizes many-to-many NAPT address translation by defining an address pool, so that
hosts in the private network can access the public network. Assuming that there are
only two public network P addresses in the address pool, and they have been assigned to hosts A and B for address
conversion, and at this time, if the host also wants to access the public network, the following description is correct ().

A. HostC.Unable to assign a public network address, and cannot access the public network
B. All hosts can access the public network by using the public network address in turn
C. RT

A. Convert the source port of host C., the host can access the public network
D. RT

A. Assign interface address (200.10.10.3) to host C. Host C can access the public network

Answer: C

QUESTION 550
What is the total length of an IPv6 address in bits? ()

A. 96
B. 64
C. 32
D. 128

Answer: D

QUESTION 551
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The IPv4 address assigned by the network administrator to a host in the network is 192.168.128, how many more hosts
can be added to the network where this host is located? ()

A. 12
B. 15
C. 13
D. 14

QUESTION 552
All ports on the root bridge switch are designated ports. ()

A. True
B. False

Answer: D

QUESTION 553
What is the number range of advanced ACLs? ()

A. 3000-3999
B. 2000-2999
C. 4000～4999
https://www.validexamdumps.com/H12-811_V1.0.html
D. 6000～6031

Answer: A

QUESTION 554
The basic header length of IPv6 packets is a fixed value ()

A. True
B. False

Answer: A

QUESTION 555
By default, what is the lease period for the DHCP server to assign an IP address? ()

A. 12h
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B. 1h
C. 24h
D. 18h

Answer: C
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QUESTION 556
Which parameter is used in the spanning tree protocol for root bridge election? ()

A. Port ID
B. Bridge priority
C. Root path cost
D. Bridge ID

Answer: B

QUESTION 557
Management Information Base (MIB) Information Base) is a virtual database, which only exists on the NMS. ()

A. True
B. False

Answer: B

QUESTION 558
Now you need to implement a Python automation script Telnet to the device to view the running configuration of the
device. What is wrong with the following statement? ()
https://www.validexamdumps.com/H12-811_V1.0.html

A. TelnetliB. can achieve this function.

B. Use telnet.Telnet (host) to connect to the Telnet server.
C. You can use telnet.write (b\) to input the command to view the current configuration of the device.
D. Telnet.close() is used every time a command is entered, and the function is that the user waits for the switch to return
information. ·

Answer: D

QUESTION 559
The network administrator of a certain company wants to uniformly divide the users who often access the company
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network from different switches to VLAN 10 when they frequently change office locations. Which of the following
methods should be used to divide VLANs? ()

A. VLAN based on protocol

B. VLAN based on MAC. address
C. VLAN based on port
D. VLAN based on subnet

Answer: D

QUESTION 560
The display startup information of the AR2200 router. Regarding these information, the statement is wrong ()
https://www.validexamdumps.com/H12-811_V1.0.html

A. The system file at the next startup of the device can be modified with the command "startup system software"
B. The running configuration file is not saved
C. The system file used for this startup of the device is ar2220-v200r003c00spc00.cc
D. The system file cannot be modified when the device is started next time

Answer: D

QUESTION 561
The administrator plans to implement route backup by configuring static floating routes. The correct way to achieve this
is ()

A. The administrator needs to configure different metric values for the main static route and the standby static route
B. The administrator needs to configure different TAGs for the main static route and the standby static route
C. The administrator only needs to configure two static routes
D. The administrator needs to configure different protocol priority values for the main static route and the standby static
route

Answer: D

QUESTION 562
Which of the following descriptions about Trunk port and Access port are correct ()
https://www.validexamdumps.com/H12-811_V1.0.html

A. Trunk port can only send untagged frames

B. The Access port can only send untagged.
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C. Access port can only send tagged frames

D. Trunk port can only send tagged frame

Answer: B

QUESTION 563
Which statement about OSPF area division is wrong? ( )

A. Are
A. 0 is the backbone are

A. All other areas must be connected to this area

B. The LSDBs in the routers in the same OSPF area are exactly the same
C. Dividing OSPF areas can reduce the size of the LSDB of some routers
D. Only ABR can be used as ASBR

Answer: D

QUESTION 564
NFV (Network Functional Virtualization), network function virtualization, realizes the deployment of network
applications in a software-based way. ()

A. True
B. False
https://www.validexamdumps.com/H12-811_V1.0.html

Answer: A

QUESTION 565
What is the main function of the DHCP DISCOVER message? ()

A. The server's confirmation response to the REQUEST message

B. Used by the client to find the DHCP server
C. The client requests configuration confirmation, or renews the lease
D. The DHCP server is used to respond to the DHCP DISCOVER message, which carries various configuration
information

Answer: B

QUESTION 566
In the WLAN architecture, the FIT AP cannot work independently and needs to be managed by AC.
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Which of the following protocols are used to communicate between FIT AP and AC.? ()

A. IPsec
B. WEP
C. APWAP
D. WAP

Answer: C
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 567
It is known that there are two entries in the routing table of a router. If the router wants to forward packets with the
destination address of 9.1.4.5, the correct one of the following statements is ()
1. Choose the second item as the best matching item, because the cost of the RIP protocol is small
2. The second item is selected as the best matching item, because the route is a more accurate match relative to the
destination 9.1.4.5
3. Select the second item as the best match, because the speed of Ethernet0 is faster than the speed of serial0
4. Chooses the first item as the best matching item, because the priority value of the ospf protocol is higher

Answer: D

QUESTION 568
In the network shown in the figure below, what commands can be entered on the router to make host A ping host B
through? ()

A.
RTA:ip route-static 0.0.0.0 0.0.0.0 11.0.12.2
RTB:ip route-static 0.0.0.0 0.0.0.0 11.0.12.1
B.
RTA:ip route-static 10.0.12.5 255.255.255.25211.0.12.2
RTB: route-static10.0.12.1255.255.255.25211.0.12.1
https://www.validexamdumps.com/H12-811_V1.0.html
C.
RTA:ip route-static 0.0.0.0 0.0.0.0 11.0.12.1
CRTB:ip route-static 0.0.0.0 0.0.0.0 11.0.12.2
D.
RTA:ip route-static 10.0.12.5 255.255.255.25211.0.12.1
RTB:ip route-static 10.0.12.1 255.255.255.25211.0.12.2

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Answer: A, B

QUESTION 569
According to the command output as shown in the figure, which of the following descriptions is correct? () (Multiple
Choice Questions)

A. GigabitEthernet0/0/l allows VLAN1 to pass

B. GigabitEthernet (/0 does not allow VLAN1 to pass
C. If you want to change GigabitEthernet (0/0 to Access port, you first need to use the command "undo port trunk Allow-
pass vlan all"
D. If you want to turn GigabitEthernet0/o into an Access port, you first need to use the command "undo port trunk
Allow-pass vlan 2 to 4094"

Answer: A, D
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 570
According to the command shown in the figure, which of the following descriptions is correct? () (Multiple Choice
Questions)

A. GigabitEthernet (PVID of port 0/0 is 1

B. The pVD of the GigabitEthernet0/0 port is 1
C. GigabitEthernet (the pVID of port 0/0 is 10
D. GigabitEthernet (PVD of port 0/0 is 10

Answer: B, D

QUESTION 571
As shown in the figure below. All hosts can communicate normally. Which of the following statements are correct? ()
(Multiple Choice Questions)

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A. G0/0 of SWB learned 2 mac addresses

B. SWA's G0/0 learned 1 mac address
https://www.validexamdumps.com/H12-811_V1.0.html
C. SWA's G0/0 learned 2 mac addresses
D. SWA's G0/0 learned 3 mac addresses

Answer: A, B

QUESTION 572
The administrator configures R1 as shown in the figure. But R1 cannot learn the routes of other routers, so it may be.
The reason is? () (Multiple Choice Questions)

A. This router did not announce the network connected to neighbors when configuring ospf
B. This router is not configured with authentication function but the neighbor router is configured with authentication
function
C. When this router is configured, the ospf process number is not configured
D. The area configured by this routerID and its neighbor router areaID is different

Answer: A, B, D

QUESTION 573
The output information of a router's routing table is shown in the figure. Which of the following statements is correct? ()
(Multiple Choice Questions)

https://www.validexamdumps.com/H12-811_V1.0.html

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A. The outbound interface of this router to 10.0.0.1 is Ethernet0/0

B. The outgoing interface of this router to 10.0.0.1 is Ethernet0/0/0
C. The outgoing interface of this router to 10.0.2.2 is Ethernet0/0/0
D. The outbound interface of this router to 10.0.2.2 is Ethernet0/0

Answer: B, D

QUESTION 574
In the network shown in the figure, which of the following descriptions is correct? () (Multiple Choice Questions)

A. The network between RTA and SWC is the same conflict domain
B. The network between SWA and SWB is the same broadcast domain
C. The network between SWA and SWC is the same conflict domain
https://www.validexamdumps.com/H12-811_V1.0.html
D. The network between SWA and SWC is the same broadcast domain

Answer: C, D
New Topic: Topic 4, Exam Pool D
QUESTION 575
The network is shown in the figure below. The router uses a sub-interface as the host gateway. The gateway IP address is
10.0.12.2. Which of the following commands can achieve this requirement? ()
(Multiple Choice Questions)

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A.
interface GigabitEthernet0/0/0.20Dotlg termination vid 10
Ip address10.0.12.2255.255.255.0Arp broadcast enable
B.
interface GigabitEthernet0/0/0.10Dotlq termination vid 10
Ip address10.0.12.2255.255.255.0 Arp broadcast enable #
C.
https://www.validexamdumps.com/H12-811_V1.0.html
interface GigabitEthernet0/0/0.20Dotlq termination vid 20
Ip address10.0.12.2255.255.255.0Arp broadcast enable #
D.
interface GigabitEtherneto/0/0.10Dotlq termination vid 20
Ip address10.0.12.2255.255.255.0Arp broadcast enable

Answer: C, D

QUESTION 576
The routing table is shown in the figure. Which of the following statements is correct? () (Multiple Choice Questions)

A. The router forwards the destination from Ethernet0/0/0IPacket with P as 10.0.2.2.

B. The NextHop of the destination network 10.0.3.3 is not directly connected, so the router will not forward packets with
the destination IP address 10.0.3.3.
C. The router forwards the purpose from Ethernet (/o/0IPackets with P as 10.0.3.3.
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D. The router forwards data packets whose destination IP is 10.0.12.1 from Ethernet (/0/0)

Answer: A, C

QUESTION 577
https://www.validexamdumps.com/H12-811_V1.0.html
The network shown in the figure below. Host A is not configured with a gateway, and Host B has the ARP cache of the
gateway. Which of the following statements are correct? () (Multiple Choice Question) The answer describes the address
wrong

A. Enable proxy ARP on port G0/0 of the router,Then host A can communicate with host B
B. The data packet sent by host B with the destination P address of 10.0.12.1 can be forwarded to host A
C. The data packet sent by host A with the destination P address 10.0.12.1 (this address is changed to 11.0.12.1) can be
forwarded to host B
D. Host A and Host B cannot communicate in both directions

Answer: A, B, C

QUESTION 578
The output information of a certain switch is shown in the figure. Which of the following statements is correct? ()
(Multiple Choice Questions)

https://www.validexamdumps.com/H12-811_V1.0.html

A. Switch GE0/0 port does not carry VLAN TAG when sending VLAN20 data frame
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B. The GE0/0 port of the switch carries VLAN TAG when sending VLAN20 data frames
C. Switch GE0/0 port does not carry VLAN TAG when sending VLAN10 data frame
D. The user manually created 4 VLANs

Answer: A, C, D

QUESTION 579
As shown in the figure below, the network. All switches enable the STP protocol. Disable SWA's G0/0 port to configure
the BPDU sending function. SWC's G0/0 reconverges to become the root port. Which of the following statements is
correct about this process? () (Multiple Choice Questions)

https://www.validexamdumps.com/H12-811_V1.0.html

A. SWB forwards TCN BPDU to SWA

B. SWB sends configuration BPDU with TCA set to SWC
C. SWC sends TCN BPDU to SWB
D. SWA sends configuration BPDU with TC set

Answer: A, B, C

QUESTION 580
The network shown in the figure below. From a security perspective, router A refuses to receive OSPF packets and
ICMP packets received from interface G0/0. Which of the following commands can achieve this requirement? ()
(Multiple Choice Questions)

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A.
acl number 3000
Rule 5 deny 89
Rule 10 deny icmp
#
Interface GigabitEthernet0/0Traffic-filter inbound acl 3000#
B.
acl number 3000
Rule 5 deny 89
Rule 10 deny 1
#
Interface GigabitEtherneto/0Traffic-filter inbound acl 3000#
C.
acl number 2000
Rule 5 deny 89
Rule 10 deny 1
#
Interface GigabitEthernet0/0Traffic-filtet inbound acl 2000#
D.
acl number 3000
Rule 5 deny ospf
Rule 10 deny icmp
#
Interface GigabitEthernet0/0Traffic-filtet inbound acl 3000#

Answer: A, B, D
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 581
The output information of a certain router is shown in the figure. Which of the following statements are correct? ()
(Multiple Choice Questions)

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A. The DR priority of this routing interface is 10

B. The cost value of this interface is 1
C. This router is BDR
D. The Router ID of the router is 10.0.1.1

Answer: B, C, D

QUESTION 582
The output information of a certain device is shown in the figure. Which of the following statements are correct? ()
(Multiple Choice Questions)

https://www.validexamdumps.com/H12-811_V1.0.html

A. The standby main control board of the device is operating normally

B. The VRP operating version of this device is CRP5
C. The device name is Huawei
D. The device has been running for 1 minute

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Answer: B, C, D

QUESTION 583
The network is shown in the figure below. Switch configuration information is shown in the figure.
Which of the following statements is correct? () (Multiple Choice Questions)

https://www.validexamdumps.com/H12-811_V1.0.html

A. Data frames on the two links do not include VLANTAG

B. Host A and Host B can be pinged
C. Host A and Host B cannot be pinged
D. The PVID of the switch GigabitEthernet0/ port is 20

Answer: A, B, D

QUESTION 584
The network shown in the figure. Which of the following configurations can realize that the host A can access the
Internet, but the host B can not? (ABCD) (Multiple Choice Questions)

A.
acl number 2000
Rule5 deny source100.0.12.0.0.0.0.255Rule 10 permit
#
Interface GigabitEthernet0/0
Traffic-filter outbound acl 2000
#
B.
acl number 2000
Rule 5 permit source 100.0.13.0.0.0.0.255
Rule10 deny source100.0.12.0.0.0.0.255#
Interface GigabitEthernet0/0
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Traffic-filter outbound acl 2000

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#
C.
acl number 2000
Rule 5 permit source 100.0.13.0.0.0.0.255
Rule 10 deny
#
Interface GigabitEthernet0/0
Traffic-filter outbound acl 2000
#
D.
acl number 2000
Rule5 deny source 100.0.12.0.0.0.0.255 Rule 10 permit source 100.0.13.0.0.0.0.255
#
Interface GigabitEthernet0/0
Traffic-filter outbound acl 2000
#

Answer: A, B, C, D

QUESTION 585
The output information of the router R1 routing table is shown in the figure. Which of the following statements is correct?
() (Multiple Choice Questions)
＜R1＞display ip routing-table
Route Flags: R-relay, D-download to fib

https://www.validexamdumps.com/H12-811_V1.0.html

A. The data packet whose destination network is 12.0.0.0 will be forwarded from the router's Ethernet0/0/0 interface
B. The router will discard packets whose destination network is 11.0.0.0
C. The router will forward data packets whose destination network is 12.0.0.0
D. The data packet whose destination network is 11.0.0.0 will be forwarded from the router's GigabitEthernet0/0/0
interface

Answer: C, D
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QUESTION 586
As shown in the figure, after the two routers are configured with 0SPF, the administrator configures the <silent-
interface$0/0/0> command on RT

A. Is the following description correct? () (Multiple Choice Questions)

A. RTA will continue to receive, analyze and process OSPF packets sent by RTB
B. The neighbor relationship between the two routers will be down
C. The neighbor relationship between the two routers will not be affected
D. RTA will no longer send OSPF packets
https://www.validexamdumps.com/H12-811_V1.0.html

Answer: B, D

QUESTION 587
As shown in the figure below. All switches enable the $P protocol and keep other configurations in their default state.
When the network is stable, are the following statements correct? () (Multiple Choice Questions)

A. Both ports of SWC are in Forwarding state

B. Both ports of SWB are in Forwarding state
C. SWA is the root bridge in this network
D. SWB is the root bridge in this network

Answer: B, C

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QUESTION 588
The network as shown in the figure. Which of the following configurations can realize that Host A
https://www.validexamdumps.com/H12-811_V1.0.htmcannot access the HTTP service of Host B. Host B cannot access
the FTP service of Host A? () (Multiple Choice Questions)

A.
acl number 3000
Rule
5
Deny
Tep
Source
#
Acl number 3001
Rule
5 deny top source 100.0.13.0 0.0.0.255 source-port eq ftp destination
#
Interface GigabitEthernet0/0
Traffic-filter inbound acl 3000
#
Interface GigabitEthernet0/0
Traffic-filter inbound acl 3001
https://www.validexamdumps.com/H12-811_V1.0.html
#
B.
acl number 3000
Rule
5
Deny tcp source 100.0.13.0 0.0.0.255 destination 100.0.12.00.0.0.255
Destination eq www
#
Acl number 3001
Rule
5 deny tcp source 100.0.12.0 0.0.0.255 destination 100.0.13.00.0.0.255
Destination eq ftp
#
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Interface GigabitEthernet0/0
Traffic-filter inbound acl 3000
#
Interface GigabitEthernet0/0
Traffic-filter inbound acl 3001
#
C.
acl number 3000
Rule 5 deny tcp source 100.0.12.0 0.0.0.255 source-port eq www destination
Rule
5 deny tcp source 100.0.13.0 0.0.0.255 source-port eq ftp destination
#
Interface GigabitEthernet0/0
https://www.validexamdumps.com/H12-811_V1.0.html
Traffic-filter inbound acl 3000
#
Interface GigabitEthernet0/0
Traffic-filter inbound acl 3001
#
D.
acl number 3000
Rule
5
Deny tcp source 100.0.13.0 0.0.0.255 destination 100.0.12.00.0.0.255
Destination eq www
#
Acl number 3001
Rule
5 deny tcp source 100.0.12.0 0.0.0.255 destination 100.0.13.00.0.0.255
Destination eq ftp
#
Interface GigabitEthernet0/0
Traffic-filter inbound acl 3000
#
Interface GigabitEthernet0/0
Traffic-filter inbound acl 3001

Answer: B, D
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 589
In the network as shown in the figure, the administrator hopes that all hosts cannot access the Web service (the port
number is 80). Other services can be accessed normally. Then, in the interface configuration of G0/0, traffic-filWhich
ACL rule needs to be bound to ter outbound? ()

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A.
acl number 3000
ARule 5 deny tcy destination-port eq www
Rule 10 permit ip
#
B.
acl number 3001
Rule 5 deny udp destination-port eg www
Rule 10 permit ip
#
C.
acl number 3002
Rule 5 permit ip
Rule 10 deny tep destination eq www
#
D.
acl number 3003
Rule 5 permit ip
https://www.validexamdumps.com/H12-811_V1.0.html
Rule 10 deny udp destination eq www
#

Answer: B, D

QUESTION 590
As shown in the figure below, are the following statements correct? () (Multiple Choice Questions)

A. The broadcast address of host A and host B are the same

B. Host A can ping host B
C. Host A and Host B cannot obtain each other's MAC address
D. The following entry 10.0.12.5 MAC-B exists in the ARP cache of host A

Answer: B, D

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QUESTION 591
The output information of the sub-interface of a router aggregate port 1 is shown in the figure. Based on this information,
which of the following statements are correct? ()

https://www.validexamdumps.com/H12-811_V1.0.html

A. The sub-interface number of the aggregate port is 100

B. The sub-interface of the aggregate port carries B with VLAN when forwarding data frames
C. Two links exist on the aggregated port
D. The P address of the sub-interface of the aggregate port is 10.0.12.2

Answer: A, C, D

QUESTION 592
As shown in the figure below. Router A has passed the IP address 10.0.12.2 Telnet Router B. Which of the following
operations on the current interface will cause the Telnet session between Router A and Router B to be interrupted? ()
(Multiple Choice Questions)

A. Enable OSPF protocol under G0/0 interface

B. Configure static routing
C. Modify G0/0 interfaceIP address
https://www.validexamdumps.com/H12-811_V1.0.html
D. Close G0/0 interface

Answer: C, D

QUESTION 593
The network shown in the figure below. The host has an ARP cache. Which of the following statements are
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correct? )(Multiple Choice Questions)

A. The following entries may appear in the ARP cache of host

A 10.0.12.2MAC-C
B. The router needs to be configured with a static route. Otherwise, host A and host B cannot communicate in both
directions
C. Host A and Host B can communicate in two directions
D. The following entry 11.0.12.1 MAC-B exists in the ARP cache of host A

Answer: A, C

QUESTION 594
The output information of the routing table of a certain router is shown in the figure. Which of the following statements
is correct? () (Multiple Choice Questions) ＜R1＞display ip routing-table Route Flags: R-relay, D-download to fib

https://www.validexamdumps.com/H12-811_V1.0.html

A. The NextHop for this router to reach 10.0.2.2 is 10.0.12.2

B. The NextHop for this router to reach 10.0.0.1 is 10.0.12.2
C. The NextHop for this router to reach 10.0.2.2 is 10.0.21.2
D. The NextHop for this router to reach 10.0.0.1 is 10.0.21.2

Answer: B, C

QUESTION 595
The network is shown in the figure below. The following statementcorrectIs there? () (Multiple Choice Questions)

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A. Host A and Host c can ping through

https://www.validexamdumps.com/H12-811_V1.0.html
B. All hosts can ping each other
C. Host B and Host C can ping through
D. Host A and Host B cannot ping through

Answer: A, C, D

QUESTION 596
The output information of a certain router is shown in the figure. Which of the following statements are correct? ()
(Multiple Choice Questions)

A. The Router ID of the router is 10.0.1.1

B. This router is DR
C. The interface address of this router is 10.0.12.2
D. The Router ID of the router is 10.0.2.2.
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Answer: B, C, D
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 597
As shown in the figure below, assuming that the other configurations of the switch are kept in the default state, which
port of the following switch will become the designated port? () (Multiple Choice Questions)

A. G0/0 of SWB
B. SWC's G0/0
C. SWA's G0/0
D. SWC's G0/0

Answer: A, C

QUESTION 598
The G0/0 interface configuration information of router A is shown in the figure. Which of the following statements are
correct? () (Multiple Choice Questions)

https://www.validexamdumps.com/H12-811_V1.0.html

A. The interface will not forward the received FTP packets

B. This interface can establish OSPF neighbor relationships with other routers
C. This interface will not forward ICMP packets
D. This interface will not forward received SNMP packets

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Answer: A, D

QUESTION 599
According to the following configuration, which statement is correct? () (Multiple Choice Questions)

Int g0/0
Int g0/0
Port hybrid pvid vlan 20
Port hybrid pvid vlan 10
Port hybrid untagged vlan 10 20
Port hybrid untagged vlan 10 20

A. Host A (PC3) can ping through host B (PC4) more

https://www.validexamdumps.com/H12-811_V1.0.html
B. The pvid of switch G0/0 port is 20
C. The two link data frames do not contain vlan tag
D. Host A (PC3) cannot ping host B (PC4)

Answer: A, B, C

QUESTION 600
Which frequencies does IEEE802.11n support? ()

A. 2.5GHz
B. 2.4GHz
C. 5GHz
D. 6GHz

Answer: B, C
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QUESTION 601
Which WLAN security policies support the 0pen link authentication method? ()

A. WPA2-802.IX
B. WPA2-PSK
C. WEP
D. WPA
https://www.validexamdumps.com/H12-811_V1.0.html

Answer: A, C, D

QUESTION 602
Which of the following statements about R

A. and RS in IPv6 are correct? ()

A. RS is used to reply address prefix information

B. R

A. Used to request address prefix information

C. RS is used to request address prefix information
D. R

A. Used to reply address prefix information

Answer: C, D

QUESTION 603
The controller is the core component of SDN. The controller is connected to the device through the southbound interface.
The following is missing from the controller southbound agreement? ()

A. SNMP
B. PCEP
C. OpenFlow
D. NETCONF

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Answer: A, C
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 604
After the two routers are configured with 0SPF, the administrator configures the command on RT

A. The following description is correct ()

A. The neighbor relationship between the two routers will be down

B. The neighbor relationship between the two routers will not be affected
C. RT

A. Will no longer send OSPF packets

D. RT

A. will continue to receive and analyze and process OSPF packets sent by RTB.

Answer: B, C, D

QUESTION 605
Which of the following statements about the default route are correct? ()

A. If the destination address of the message cannot match any other routing entries in the routing table, the router will
forward the message according to the default route
B. There must be a default route in the routing table of any router
C. The default route can only be manually configured by the administrator
D. In the routing table, the default route appears in the form of a route to the network 0.0.0.0 (the mask is also 0.0.0.0)

Answer: A, D

QUESTION 606
https://www.validexamdumps.com/H12-811_V1.0.html
The function of the 0SPF hel1o message is ()

A. Neighbor discovery
B. Maintain neighbor relations
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C. Update LS

A. Information
D. Synchronize the LSDB of the router

Answer: A, B

QUESTION 607
The output information of the sub-interface of a certain router's aggregation port 1 is shown in the figure. Based on this
information, which of the following statements is correct? ( )
[Router A] display Interface Eth-Trunk 1.100Eth-Trunk1.100 current state UP Line protocol current state UP Last line
protocol up time 2019-03-04 10:22:40 UTC.-08:00 Description: HUAWEI, ARSeries,
Eth-Trunk1.100 Interface Route Port, Hash arithmetiC.:According to SIP-XOR-DIP, Maximal BW:2G.Current BW:2G,
The Maximum Transmit Unit is 1500 Internet Address is 10.0.12.2 IP
Sending Frames'Format is PKTFIT ETENT 2, Hardwareaddress 1s 00e0-fc3b-2015 Current system time:2019-03-04
10:24:29-08:00 Last 300 seconds input rate0 bits/sec.0 packets/sec Last 300 seconds output rate 0 bits /seC.0 packets/sec
Realtime 0 seconds inputrate 0 bits/seC.0 packets/sec Realtime 0 seconds output rate 0 bits/seC.0 packets/sec Input: 6
packets, 574 bytes, Output: 7 packets, 638 bytes, Input bandwidth utilization 0% Output bandwidth utilization 0%
PortName Status Weight GigabitEthernet0/0 UP 1 GigabitEthernet0/0 UP 1
The Number of Ports in Trunk:2 The Number of UP Ports in Trunk:2*

A. Two links exist on the aggregated port

B. The P address of the sub-interface of the aggregate port is 10.0.12.2
https://www.validexamdumps.com/H12-811_V1.0.html
C. The sub-interface number of the aggregate port is 100
D. The sub-interface of the aggregate port carries VLAN TAG100 when forwarding data frames

Answer: A, B, C

QUESTION 608
On Huawei ARG3 series routers, what authentication modes does AA

A. support? ()

A. 802.1x
B. Local
C. None
D. HWTACACS

Answer: B, C, D
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QUESTION 609
The output information of a certain device is shown in the figure. Which of the following statements is correct? ( )
display interface G1gabitEthernet 0/0/0 G1 gabi tEthernet0/0/0 currentstate UP Line protocol current
state UP Route Port，The Maximum Transmit Unit is 1000 Internet Address is 10.0.12.2 IP Sending Frames'Format is
PRTFMT ETENT 2.Hardware address is 00e0-fc22-4fff Port Mode:FORCE
COPPER SpeeD.:100, Loopback:NONE Duplex:FULL, Negotiation:DISABLE Md1 AUTO Last 300 seconds input rate
24 bits/seC.0 packets/sec Last 300 seconds output rate 24 bits /seC.0 packets/seC.*
https://www.validexamdumps.com/H12-811_V1.0.html

A. The P address of the interface is 10.0.12.2

B. The MAC of the interface. The address is 00e0-fc22-4fff
C. The working rate of this interface is 1Gbps
D. The MTU value of this interface is 1000

Answer: A, B, D

QUESTION 610
Which of the following commands can be used to query the configuration information of the device's 0SPF protocol? ()*

A.
dis ip routing-table
B.
Enter the command "display t in the OsPF protocol view.
his\
,.:
,.:

Answer: A, B

QUESTION 611
The transmission rate of the Eth-Truk port in manual link aggregation mode is related to ().*
https://www.validexamdumps.com/H12-811_V1.0.html

A. Number of member ports

B. Bandwidth of member port
C. Whether an IP address is configured on the member port
D. Is the member port on the public or private network

Answer: A, B

QUESTION 612
In order to realize the network layer function on the VLANIF interface, do you need to configure it on the VLANIF
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interface? ()

A. MAC.Address
B. Subnet mask
C. IP prefix
D. IP address

Answer: B, D

QUESTION 613
In the CAPWAP tunnel establishment phase, after AC. receives the Join Request message sent by the AP, AC. will
check the validity of the AP. Which of the following is the authentication method supported by AC. ()*
https://www.validexamdumps.com/H12-811_V1.0.html

A. SN certification
B. PassworD. certification
C. MAC. Authentication
D. Not certified

Answer: A, B, C, D

QUESTION 614
Which of the following statements about the S field in the MPLS packet header are correct? ()*

A. The s bit has only ibit in frame mode, and 2bit in cell mode
B. The s bit exists in every MPLS packet header
C. Used to mark whether there are other labels behind this label, 1 means yes, 0 means no
D. Used to mark whether there are other labels behind this label, 0 means yes, 1 means no

Answer: B, D

QUESTION 615
Through sR (Segment Routing), an explicit path can be easily defined. The nodes in the network only need to maintain
the SegmentRouting information to cope with the real-time and rapid development of the business. What are the
following characteristics of Segment Routing?

A. Extending the existing protocol (eg IGP) can make the existing network better and smoothly evolve
https://www.validexamdumps.com/H12-811_V1.0.html
B. SR (Segment Routing) adopts IP forwarding, no extra dimensioning is required-a label forwarding table
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C. Source routing technology is used to provide the ability to quickly exchange text between the network and upper-layer
applications
D. At the same time, it supports the centralized control mode of the controller and the distributed control mode of the
transponder, providing a balance between centralized control and distributed control

Answer: A, C, D

QUESTION 616
Which of the following statements about Iv6 address configuration are correct? ()*

A. IPv6 supports DHCPv6 for address configuration

B. IPv6 address supports automatic configuration in multiple ways
C. IPv6 addresses can only be configured manually
D. IPv6 supports stateless automatic configuration

Answer: A, B, D

QUESTION 617
Which of the following descriptions about the 0SPF area is correct ()*

A. All networks should be declared in zone 0

B. The number of the backbone area cannot be 2
https://www.validexamdumps.com/H12-811_V1.0.html
C. Before configuring the OSPF area, you must configure an IP address for the loopback interface of the router
D. The number range of the area is from 0.0.0.0 to 255.255.255.255

Answer: B, D

QUESTION 618
The route entry 10.0.0.24 may be aggregated from which of the following subnet routes? ()*

A. 10.0.0.23
B. 10.0.0.28
C. 10.0.0.26
D. 10.0.0.24

Answer: B, C, D

QUESTION 619
Which of the following statements about single-arm routing are correct? ()*

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A. One physical connection per vlan

B. Only one physical link is used between the switch and the router to connect
C. On the switch, configure the port connected to the router as a Trunk port and allow the relevant vlan frames to pass
D. Need to create a subinterface on the router
https://www.validexamdumps.com/H12-811_V1.0.html

Answer: B, C, D

QUESTION 620
Which of the following statements about IPv6 anycast addresses are correct? ()*

A. Anycast address and unicast address use the same address space
B. Provide additional functions for the service
C. The packet whose destination address is the anycast address will be sent to the nearest network interface in the sense
of routing
D. Realize service load sharing

Answer: A, B, C

QUESTION 621
Which of the following options describes the concept of the IEV architecture correct? ()*

A. MANO is composed of NFVO.VNFN and VIM.

B. VFM. Virtual network function management, responsible for the life cycle management of VNF.
C. VIM VirtualiseD.Infrastructure Manager) virtual resource management, responsible for the virtualization of
infrastructure.
D. NFVO (NEV Orchestrator). Responsible for business orchestration.

Answer: A, B, C, D
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 622
Regarding the control plane of the device, which of the following statements is correct? ()*

A. The control plane is responsible for the interaction of routing protocols between devices
B. The control plane provides device monitoring capabilities
C. The control plane is responsible for directing data forwarding
D. The control plane is responsible for generating IP routing table

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Answer: A, B, D

QUESTION 623
Which of the following networks belong to a local area network? ()

A. A home network
B. A company office network
C. Internet
D. Broadband Metropolitan Area Network

Answer: A, B

QUESTION 624
https://www.validexamdumps.com/H12-811_V1.0.html
Which of the following features does the OSPF protocol have? ()*

A. Support area division

B. Prone to routing loops
C. Calculate the shortest path based on the number of hops
D. Trigger update

Answer: A, D

QUESTION 625
Which of the following elements are included in the routing table? ()*

A. Interface
B. Destination/mask
C. Nexthop
D. Protocol
E. Cost

Answer: A, B, C, D, E

QUESTION 626
https://www.validexamdumps.com/H12-811_V1.0.html
Which of the following fields are present in both IPv6 and IPv4 packet headers? ()*

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A. Next Header
B. Destination Address
C. Version
D. Source Address

Answer: B, C, D

QUESTION 627
What are the three sources for routers to obtain routing entries? ()*

A. Aggregate routing
B. Static routing
C. Dynamic routing
D. Direct route

Answer: B, C, D

QUESTION 628
Is there any correct statement about the TTL field in the IPv4 header? ()
https://www.validexamdumps.com/H12-811_V1.0.html

A. The range of TTL value is 0-255

B. Each time a message passes through a three-layer device. TL value minus 1
C. TTL value length is 8bit
D. When routing loops occur, the TL value can be used to prevent data packets from being forwarded indefinitely

Answer: A, B, C, D

QUESTION 629
Which of the following MAC addresses cannot be used as the MAC address of the host network card?()*

A. 03-04-05-06-07-08
B. 00-02-03-04-05-06
C. 02-03-04-05-o6-d7
D. 01-02-03-04-05-06

Answer: A, D

QUESTION 630
An ACL rule is as follows: Which of the following IP addresses can be matched by permit rules? () rule5per mit ip
source10.0.1.00.0.254.255*
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A. 10.0.3.4
https://www.validexamdumps.com/H12-811_V1.0.html
B. 10.0.1.2
C. 10.0.4.5
D. 10.0.2.3

Answer: A, B

QUESTION 631
In the network shown in the figure below, there are the following configurations in Router

A. Which of the following statements is correct?

ip route-statiC.10.0.2.2255.255.255.25510.0.12.2iP
Route-statiC.10.0.2.2255.255.255.25510.0.21.2pre ference 70

A. The Next in the routing table of Router A reaches 10.0.2.2. Hop is 10.0.21.2
B. The Next in the routing table of Router A reaches 10.0.2.2. Hop is 10.0.12.2
C. If the G0/0 port is Down, then Router A reaches 10.0.2.2. The route NextHop. is changed to 10.012.2
D. If the G0/0 port is Down, the route NextHap from Router A to 10.0.2.2 is changed to 10.0.21.2

Answer: B, D

QUESTION 632
https://www.validexamdumps.com/H12-811_V1.0.html
Which of the following statements about R

A. and RS messages in IPv6 are correct? ()*

A. R

A. Used to request address prefix information

B. RS is used to request address prefix information
C. R

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A. Used to reply address prefix information

D. RS is used to reply address prefix information

Answer: B, C

QUESTION 633
In what ways does VRP support router configuration? ()*

A. Configure the router via FTP

B. Configure the router through the mni USB. port
C. Configure the router through the Console port
D. Configure the router via Telnet

Answer: B, C, D

QUESTION 634
If the IP address of a host in the LAN is 192.168.1.1, which of the following IP addresses will be processed by the host
as the destination address of the IP packet? ()*
https://www.validexamdumps.com/H12-811_V1.0.html

A. 192.168.1.2
B. 255.255.255.255
C. 192.168.1.1
D. 192.168.1.2

Answer: B, D

QUESTION 635
After a fault occurs in the network, the administrator finds that the configuration of a certain router has been modified
through troubleshooting. What measures should the administrator take to avoid this situation from happening again? ()*

A. The administrator should configure ACL to control that only the administrator can log in to the device
B. The administrator should enable port-security on the routed management port
C. The administrator should configure AA

A. to authenticate and authorize users who log in to the device

D. The administrator should configure the permission level of all accounts except the administrator to log in to the device
as

Answer: A, C, D
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QUESTION 636
When the LCP phase of PPP is negotiated, the content of the negotiation includes ()*
https://www.validexamdumps.com/H12-811_V1.0.html

A. MRU
B. Authentication protocol
C. Magic word
D. IP address

Answer: A, B, C

QUESTION 637
Which NAT can convert multiple private network addresses into one public network address to access the public
network at the same time

A. Static NAT
B. Dynamic NAT
C. NAPT
D. Easy IP

Answer: C, D

QUESTION 638
NAT configuration is as follows, which IP can be converted when accessing the public network (RTA) acl2000 (RTA-
acl-basic-2000) rule5 permit source 192.168.1.00.0.0.255 RTA-acl-basic-2000) rule 10
permit source 192.168. 2.0 0.0.0.255 RTA-acl-basic-2000)quit RTA)interface serial1/0/0 (RTA-Serial1/0/0 )nat
outbound 2000 address-group1 no-pat *
https://www.validexamdumps.com/H12-811_V1.0.html

A. 192.168.1.254
B. 192.168.2.222
C. 198.162.1.222
D. 100.1.1.3

Answer: A, B

QUESTION 639
What are the ACL classifications*

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A. Basic ACL
B. Advanced ACL
C. Layer 2 ACL
D. User-defined ACL

Answer: A, B, C, D

QUESTION 640
The NAT configuration is as follows, which IP can be converted when accessing the public network (RTA) acl2000
(RTA-acl-basic-2000) rule5 permit source 192.168.1.00.0.0.255 RTA-acl-basic-2000) rule
10 deny source 192.168. 1.30 (RTA-acl-basic-2000) quit RTA) interface serial1/0/0 (RTA-Serial1/0/0) nat
outbounD.2000*
https://www.validexamdumps.com/H12-811_V1.0.html

A. 192.168.1.1
B. 192.168.2.1
C. 192.168.1.2
D. 192.168.1.3

Answer: A, C, D

QUESTION 641
DHCP is called Dynamic Host Configuration Protocol. It mainly assigns IP addresses and DNS information to hosts
automatically. The messages used are ()

A. discover
B. Offer(Provided)
C. request
D. ACK (acknowledgement)

Answer: A, B, C, D

QUESTION 642
The processing behavior of the data frame received by the switch is ()

A. Forward
B. Flooding
https://www.validexamdumps.com/H12-811_V1.0.html
C. Throw away
D. Forward from the receiving port
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Answer: A, B, C

QUESTION 643
The routing table is generated by*

A. Direct connection
B. Static
C. OSPF
D. ISIS

Answer: A, B, C, D

QUESTION 644
The routing table is generated by ()*

A. Direct connection
B. Static
C. Dynamic routing protocol

Answer: A, B, C
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 645
OSPF protocol needs to elect DR and BDR in which of the following network types? ()*

A. Point-to-multipoint
B. NBMA
C. Point-to-point type
D. Broadcast type

Answer: B, D
Explantion:

QUESTION 646
The administrator cannot log in to the Huawei router through Telnet, but other administrators can log in normally, so
which of the following are the possible reasons? ()*

A. The authority level of the administrator user account has been modified to 0
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B. The administrator user account has been disabled

C. The Te1net service of the AR2200 router has been disabled
D. The administrator user account has been deleted

Answer: B, D
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 647
Which of the following features does the OSPF protocol have? ()*

A. Easy to produce routing loops

B. Calculate the shortest path by number
C. Support area division
D. Trigger update

Answer: C, D

QUESTION 648
Which of the following fields does the MPLS header include? ()*

A. EXP
B. TTL
C. Label
D. Tos

Answer: A, B, C

QUESTION 649
https://www.validexamdumps.com/H12-811_V1.0.html
What are the user authentication methods that can be deployed in wlan? ()

A. Portal authentication
B. MAC. Authentication
C. Radius certification
D. 802.1X authentication

Answer: A, B, D

QUESTION 650
Which of the following IEEE802.11 standards support operation in the 5GHz frequency band? ()
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A. 802.11ac
B. 802.11n
C. 802.11g
D. 802.11a

Answer: A, D

QUESTION 651
Which of the following statements about IPv6 address configuration is correct? ()*

A. IPv6 supports stateless automatic configuration

https://www.validexamdumps.com/H12-811_V1.0.html
B. IPv6 addresses can only be configured manually
C. IPv6 address supports automatic configuration of multiple clocks
D. IPv6 supports DHCPv6 for address configuration

Answer: A, C, D

QUESTION 652
How to add AP on AC.? ()*

A. Import AP offline
B. Automatically discover AP
C. Add online
D. Manually confirm APs in the non-certified list

Answer: A, B, C

QUESTION 653
Which of the following refers to network communication? ()*

A. Use instant messaging software (such as: QQ. WeChat) to chat with friends
B. Use a computer to access the company's official website
C. Use computer to watch videos online
D. Download emails from the company mailbox to your computer
https://www.validexamdumps.com/H12-811_V1.0.html

Answer: A, B, C, D
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QUESTION 654
Which of the following fields does the ARP packet format contain? ()*

A. HardwareType
B. Protocol Address of sender
C. Operation Code
D. Protocol Type

Answer: A, B, C, D

QUESTION 655
Which of the following attributes cannot be used as a measure of CoThe parameter of st? ()*

A. bandwidth
B. Sysname
C. Time delay
D. Hop count

Answer: B, C
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 656
If the Ethernet data frame Length/Type=0X0806, which statement is correct ()*

A. The source MAC of the secondary data frame. The address must not be FFFF-FFFF-FFFF
B. This data frame is an IEEE802.3 frame
C. The secondary data frame is Ethernetâ…¡ frame
D. The destination MAC of this data frame. The address may be FFFF-FFFF-FFFF

Answer: A, C

QUESTION 657
What are the advantages of using dynamic host configuration protocol DHCP to assign IP addresses?()*

A. Heavy workload and difficult to manage

B. can be realized IP address reuse
C. avoid IP address conflict
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D. When the configuration information changes (such as DNS), only the administrator needs to modify it on the DHCP
server, which is convenient for unified management

Answer: B, C
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 658
Network administrators use Ping to test the connectivity of the network. Which of the following protocols may be used
in this process? ()

A. ICMP
B. UDP
C. TCP
D. ARP

Answer: A, D

QUESTION 659
Which of the following descriptions about OSPF's DD. packets and LS

A. is correct ()*

A. The header of an LSA can uniquely identify an LSA

B. The LSA header is only a small part of the LSA
C. The DD packet contains the detailed information of the LSA
D. DD packets only contain the header information of LSA

Answer: A, B, D

QUESTION 660
The following statement about the main functions of the router is wrong ()*
https://www.validexamdumps.com/H12-811_V1.0.html

A. Realize the mutual communication between the same network disconnection equipment
B. According to the source of the received packetIP address for forwarding
C. Establish routing table through multiple protocols
D. Guide data forwarding according to the routing table

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Answer: A, B, D

QUESTION 661
Which of the following port states does the RSTP protocol include? ()*

A. Learning
B. Discarding
C. Listening
D. Forwarding

Answer: A, B, D

QUESTION 662
Which of the following types does IPv6 address include? ()*

A. Unicast address
B. Broadcast address
https://www.validexamdumps.com/H12-811_V1.0.html
C. Multicast address
D. Anycast address

Answer: A, C, D

QUESTION 663
Which of the following are related to the purpose of encapsulation and decapsulation? ()*

A. Encapsulation and decapsulation are important steps to realize the functions of different protocols
B. Interworking between different networks
C. Shorten the length of the message
D. Encapsulation and decapsulation can complete network fault location

Answer: A, B

QUESTION 664
The network administrator hopes that the data packets sent from host

A. to host B. pass through the G0/0 interface between routers, and the data packets sent from host
B. to host
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A. pass through G0/ between routers. 0 interface, which of the following commands can achieve this requirement? ()

A. RT
A. :ip route-statiC.10.0.12.5 255.255.255.252 11.0.12.2 RTB.:ip routestatic/
n10.0.12.1255.255.255.25211.0.12.5
B. RT
A. :ip route-statiC.10.0.12.5 255.255.B255.252 11.0.12.6 RTB.:ip routestatic/
n10.0.12.1255.255.255.25211.0.12.1
C. RT
A. :ip route-statiC.0.0.0.0 0.0.0.0 11.0.12.2 RTB.:ipRoute-statiC.0.0.0.00.0.0.0ln11.0.12.5
https://www.validexamdumps.com/H12-811_V1.0.html
D. RT
A. :ip route-statiC.0.0.0.0 0.0.0.0 11.0.12.6 RTB.:ip
Route-statiC.0.0.0.00.0.0.0n11.0.12.1

Answer: A, C

QUESTION 665
Compared with STP, which of the following port roles are newly defined in RSTP? ()*

A. Designated port
B. Root port
C. Alternate port
D. Backup port

Answer: C, D

QUESTION 666
Which of the configurations in the following options belong to a Layer 2 ACL? ()*

A. rule 10 permit 12-protocol arp

B. rule 25 permit source 192.168.1.1 0.0.0.0
C. rule 20 permit source-maC.0203-0405-0607
D. rule 15 permit vlan-iD.100
https://www.validexamdumps.com/H12-811_V1.0.html

Answer: C, D

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QUESTION 667
Which of the following functions does the LCP protocol in the PPP protocol support? ()*

A. Negotiate network layer address

B. Negotiate authentication agreement
C. Detect link loop
D. Negotiated maximum receiving unit MRU

Answer: C, D

QUESTION 668
Which extension headers are supported by IPv6 packets?() *

A. Destination option extension header

B. Fragment extension header
C. Hop-by-hop option extension header
D. VLAN extension header

Answer: A, B, C
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 669
Which of the following are not open interfaces for Huawei network equipment? ()*

A. NETCONF
B. RESTCONF
C. JSON
D. XML

Answer: C, D

QUESTION 670
Is there any correct statement about the shortcut keys of the VRP operating platform? ()*

A. TAB. Prompt for the most recently entered command

B. CTRL＋C. Stop the current command
C. The left cursor key (<) moves the cursor one place to the left.
D. CTRL+Z back to user view
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Answer: B, C, D

QUESTION 671
On the switch, which VLANs can be deleted by using the undo command? ()*
https://www.validexamdumps.com/H12-811_V1.0.html

A. vlan 4094
B. vlan 2
C. vlan 1
D. vlan 1024

Answer: A, B, D

QUESTION 672
The following description of the Forwarding status in the spanning tree protocol is wrong (). ()*

A. Ports in the Forwarding state can forward data packets

B. The port in the Forwarding state does not learn the source MAC address of the packet.
C. Ports in the Forwarding state can receive BPDU packets
D. Ports in the Forwarding state must send BPDU message

Answer: B, D

QUESTION 673
Which devices are generally involved in wlan deployment schemes in enterprise scenarios? ()*

A. AC (Acess Controller)
B. Poe switch
https://www.validexamdumps.com/H12-811_V1.0.html
C. CPE
D. AP

Answer: A, B, D

QUESTION 674
Which of the following statements about IPv6 R

A. and RS messages are correct? ()

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A. RS is used to reply address prefix information

B. RS is used to request address prefix information
C. R

A. Used to request address prefix information

D. R

A. Used to reply address prefix information

Answer: B, D

QUESTION 675
Link aggregation is a common technology in enterprise networks. Which of the following descriptions are the
advantages of link aggregation technology? ()*

A. Improve safety
B. Improve reliability
C. Achieve load sharing
D. Increase bandwidth
https://www.validexamdumps.com/H12-811_V1.0.html

Answer: B, C, D

QUESTION 676
In the STP protocol, which of the following factors will affect the election of the root switch? ()*

A. IP address of the switch

B. Switch interface ID
C. Switch interface bandwidth port
D. Switch priority
E. MAC address of the switch

Answer: D, E

QUESTION 677
In order to realize the network layer function on the VLANIIF interface, need to be configured on the VLANIF interface?
()*

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A. Subnet mask
B. MAC.Address
C. IP prefix
D. IP address
https://www.validexamdumps.com/H12-811_V1.0.html

Answer: A, D

QUESTION 678
In the STP protocol, which of the following factors will affect the election of the root switch? ()*

A. MAC address of the switch

B. IP address of the switch
C. Switch priority
D. Switch interface bandwidth
E. Switch interface ID

Answer: A, C

QUESTION 679
The router uses the sub-interface as the gateway of the host, and the P address of the gateway is 10.0.12.2. Which of the
following commands can achieve this requirement? ()

A. Interface GigabitEthernet0/0/0.20 Dotlq termination viD.10 ip address10.0.12.2n255.255.255.0 Arp broadcast

enable#
B. Interface GigabitEthernet0/0/0.10 Dotlq termination viD.10 ip address10.0.12.2n255.255.255.0 Arp broadcast enable#
C. Interface GigabitEthernet0/0/0.10 Dotlq termination viD.20 ip address10.0.12.2n255.255.255.0 Arp broadcast enable#
D. Interface GigabitEthernet0/0/0.20 Dotlq termination viD.20 ip address10.0.12.2\n255.255.255.0 Arp broadcast
enable#
https://www.validexamdumps.com/H12-811_V1.0.html

Answer: C, D

QUESTION 680
Router

A. and Router B are established OSPF neighbor relationship, the OSPF process number of router

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A. is
1, and the area number is 0. Which of the following configurations on router A can enable router B to obtain the route of
the network segment where host A is located? ()

A. ospf 1 Are
A. 0.0.0.0 Network 192.168.1.2 0.0.0.0
B. ospf 1 Import-route direct
C. ospf 1 Are
A. 0.0.0.0 Network 192.168.0.00.0.255.255
D. ospf 1 Are
A. 0.0.0.0 Network 192.168.1.00.0.0.255

Answer: B, C, D

QUESTION 681
How to enter in the vP operating system OView of SPF area 0? ()*

A. (Huawei-ospf-1) are
A. 0 enabel
B. (Huawei-ospf-1) are
A. 0
C. (Huawei) ospf are
A. 0
D. (Huawei-ospf-1) are
A. 0.0.0.0

Answer: B, D
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 682
After OSPF is configured on the two routers, the administrator configures commands on RT

A. Which of the following descriptions is correct? ()

A. The neighbor relationship between the two routers will be down

B. RT

A. Will no longer send OSPF packets

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C. The neighbor relationship between the two routers will not be affected
D. RT

A. will continue to receive and analyze and process OSPF packets sent by RIB.

Answer: B, C, D

QUESTION 683
What command line views exist on the VRP operating platform? ()*

A. User view
B. Interface view
C. Agreement view
D. System view

Answer: A, B, C, D

QUESTION 684
https://www.validexamdumps.com/H12-811_V1.0.html
What are the functions of OSPF protocol DR and BDR?

A. Reduce the number of adjacencies

B. Reduce the types of OSPF protocol packets
C. Reduce the time to establish adjacency
D. Reduce the number of exchanges of link state information

Answer: A, D

QUESTION 685
Which of the following statements about the various versions of the SNMP protocol are correct?

A. The SNMPv2C. message has the functions of identity verification and encryption processing.
B. SNMPv.3 messages have the functions of identity verification and encryption processing.
C. SNMPv1 uses UDP as the transport layer protocol, while SNMPv2C. and SNMPv3 use TCP as the transport layer
protocol, so the reliability is higher.
D. SNMPv2C. follows the 5 protocol operations defined in the v1 version and adds two additional operations.

Answer: B, D

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QUESTION 686
Which of the following statements about IPv6 anycast addresses are correct?
https://www.validexamdumps.com/H12-811_V1.0.html

A. The group anycast address and the single address address use the same address space
B. Back to provide services with more than functions
C. The packet whose destination address is the anycast address will be sent to the nearest network interface in the sense
of routing
D. Back to achieve service load sharing

Answer: A, B, C

QUESTION 687
Which of the following options describes the concept of NFV architecture correct?

A. MANO is composed of NFVO, VNFM and VIM

B. NFVO (NFV Orchestrator). Responsible for business orchestration.
C. VIM (VirtualiseD.Infrastructure Manager) virtual resource management is responsible for the virtualization of
infrastructure.
D. VNFM. Virtual network function management, responsible for the life cycle management of VNF.

Answer: A, B, C, D

QUESTION 688
What is the role of link aggregation? ()*

A. Improve network reliability

https://www.validexamdumps.com/H12-811_V1.0.html
B. Increase bandwidth
C. Facilitate analysis of data
D. Achieve load sharing

Answer: A, B, D

QUESTION 689
The router enables the FTP service, the user name and password are both huawei, and the root directory of FTP is set to
flash:/dhcp/. Which of the following commands must be configured?*

A. ftp server enable

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B. local-user huawoi ftp-directory flash:/dhcp/

C. local -user huawei passrorD.cipher Huawei
D. local-user huawei service-type ftp

Answer: A, B, C, D

QUESTION 690
Which of the following applications is based on the TCP protocol?()*

A. Ping
B. TFTP
C. FTP
https://www.validexamdumps.com/H12-811_V1.0.html
D. HTTP

Answer: CD

QUESTION 691
Which of the following statements about the election of DR and BDR are correct? ()*

A. BDR must exist in broadcast networks

B. If the priority is the same, compare the Router ID, the larger the value, the more preferred to be elected as the DR
C. DR must exist in broadcast networks
D. If the priority of an interface is, the interface will not participate in the election of DR or BDR

Answer: B, C, D

QUESTION 692
What are the stable states of OSPF neighbor relationship? ()*

A. 2-way
B. Down
C. Attempt
D. Full
https://www.validexamdumps.com/H12-811_V1.0.html

Answer: A, D

QUESTION 693
When OSPF protocol establishes adjacency, which of the following parameters must be consistent?*

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A. Router ID
B. Are
A. ID
C. Router Priority
D. Router Dead.Interval

Answer: B, D

QUESTION 694
Which of the following parameters need to be considered when electing a root port in STP? ()*

A. Port priority
B. Port slot number, such as G0/0
C. Duplex mode of the port
D. The cost of the port reaching the root switch
E. MAC address of E port

Answer: A, B, D
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 695
The LACP mode of link aggregation uses LACPDU to elect the active end. What information in LACPDU is the basis
for electing the active end of LACP? ()*

A. Interface priority
B. Device priority
C. MAC address
D. Interface number

Answer: B, C

QUESTION 696
Which of the following elements are included in the routing table? ()*

A. Interface
B. Destination/Mask
C. Protocol
D. NextHop
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Answer: A, B, C, D

QUESTION 697
https://www.validexamdumps.com/H12-811_V1.0.html
The output information of a router is shown in the figure. Which of the following statements are correct? ()

A. VRP usedVersiondocumentAnd the VRP file used for the next startupdifferent
B. The configuration file currently used is different from the configuration file used for the next startup
C. The current VRP version file is the same as the VRP file used for the next startup
D. The current configuration file used is the same as the configuration file used for D next startup

Answer: B, C

QUESTION 698
Which authorization modes are supported by AAA on Huawei ARG3 series routers? ()*

A. Not authorized
B. HWTACACS authorization
C. Local authorization
D. Authorization after successful RADIUS authentication

Answer: A, B, C, D
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 699
An AR2200 router needs to restore the initial configuration, which of the following operations are necessary? ()*

A. Clear current configuration

B. Re-specify the configuration file to be loaded at the next startup
C. Reset saved.configuration
D. Restart the AR2200 router

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Answer: C, D

QUESTION 700
In order to detect the connectivity status of the CAPWAP tunnel, after the CAPWAP tunnel is established, which of the
following CAPTAP messages is used by the AC for detection? ()*

A. Hello
B. DPD
C. Keepalive
D. Echo

Answer: C, D
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 701
When configuring the PPP authentication mode as PAP, which of the following operations are necessary? ()*

A. Configure the data link layer encapsulation type of the interface connected to the peer device to PPP
B. Add the user name and password of the authenticated party to the authenticating party's local user list
C. Set the authentication mode of PPP to CHAP
D. Configure the user name and password sent to the authenticating party on the authenticated party

Answer: A, B, D

QUESTION 702
Which of the following statements about the default route are correct?

A. If the destination address of the message cannot match any other routing entries in the routing table, the router will
forward the message according to the default route
B. The default route can only be manually configured by the administrator
C. There must be a default route in the routing table of any router
D. In the routing table, the default route appears in the form of a route to the network 0.0.0.0 (the mask is also 0.0.0.0)

Answer: A, D
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 703
Which of the following port states does the RSTP protocol include?
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A. Discarding
B. Forwarding
C. Listening
D. Learning

Answer: A, B, D

QUESTION 704
Which statement about the dynamic AC. address table is correct?

A. The dynamic MAC obtained through the source AC. Address learning in the message. The table entries will age
B. By viewing the number of specified dynamic MAC. address table entries, you can get the number of users
communicating under the interface. After the device restarts, the previous dynamic table entries will be lost
C. After the device restarts, the previous dynamic entries will be lost
D. After the device restarts, the previously saved entries will not be lost

Answer: A, C
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 705
ForwardD.Delay exists when an STP port transitions between which of the following states?

A. Forwarding-Di sableD.Learning-Forwarding
B. Learning-Forwarding
C. Disabled-Blocking
D. Blocking-Listening
E. Listening-Learning

Answer: B, E

QUESTION 706
Which of the following message types does DHCP contain?

A. DHCP DISCOVER
B. DHCP REQUEST
C. DHCP OFFER
D. DHCP ROLLOVER
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Answer: A, B, C

QUESTION 707
https://www.validexamdumps.com/H12-811_V1.0.html
Which of the following working modes are supported by Huawei enterprise APs? ()*

A. Local
B. Cloud
C. FIT
D. FAT

Answer: C, D

QUESTION 708
How many planes does a network device have? ()*

A. Control plane
B. Business plane
C. Data plane
D. Management plane

Answer: A, C

QUESTION 709
Virtualization is the basis for implementing NEV. Which of the following statements about the characteristics of
virtualization is correct? ()*
https://www.validexamdumps.com/H12-811_V1.0.html

A. Hardware independence: Virtual machines and hardware are decoupled, and virtual machines can be migrated
between servers.
B. Encapsulation: All virtual machines share the operating system, and encapsulation is achieved through namespaces.
C. Isolation, where virtual machines on the same physical server are isolated from each other.
D. Partitioning: Multiple virtual machines can be run on a single physical server at the same time.

Answer: A, C, D

QUESTION 710
The following description of the Router ID of OSPF is incorrect ().*

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A. Router ID. Must be the IP address of an interface on the router

B. The prerequisite for the normal operation of the OSPF protocol is that the router has a Router ID
C. The Router ID must be specified by manual configuration
D. The Router ID in the same area must be the same, and the Router ID in different areas can be different

Answer: A, B, C, D

QUESTION 711
What are the advantages of the OSPF protocol? ()*

A. Support area division

https://www.validexamdumps.com/H12-811_V1.0.html
B. OSPF supports load sharing for equal-cost routes
C. OSPF supports message authentication
D. OSPF supports typeless inter-domain routing (CIDR)

Answer: A, B, C, D

QUESTION 712
What are the network types supported by the OSPF protocol? ()*

A. Point-to-Point
B. Non-Broadcast Multi-Access
C. Point-to-Multipoint
D. Broadcast

Answer: A, B, C, D

QUESTION 713
From a security perspective, router A refuses to receive OSPF packets. ICMP packets received from the cO/0 interface.
Which of the following commands can achieve this requirement? ()

A. acl rumber 300o rule 5 deny ospf rule 10deny icmp interface GigabitEthernet0/0 traffic-filter inbounD.ac1300o#
B. acl rumber 2000 rule 5 deny 89 rule 10 deny 1 interface
https://www.validexamdumps.com/H12-811_V1.0.html GigabitEtherneto/0 trafficfilter inbounD.ac12000#
C. acL rumber 300o rule 5 deny 89 rule 10 deny icmp interface GigabitEthernet0/0 traffic-filter inbounD.ac1 30oo#
D. acl number 3000 rule 5 deny 89 rule 10 deny 1 interface GigabitEtherneto/0 trafficfilter inbounD.aci 3000

Answer: A, C, D

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QUESTION 714
Now there are the following four segments: 10.24.0.0, 10.24.1.0, 10.24.2.0, 10.24.3.0, which route can point to these
four network segments at the same time? ()*

A. 10.24.1.0
B. 0.0.0.0/0
C. 10.24.0.0
D. 10.24.0.0

Answer: B, C, D

QUESTION 715
Which fields in the IPv4 header are related to fragmentation? ()*

A. TTL
B. Fragment Offset
https://www.validexamdumps.com/H12-811_V1.0.html
C. Identification
D. Flags

Answer: B, C, D

QUESTION 716
Which of the following protocols consist of the PPP agreement? ()*

A. NCP
B. PPPOE
C. Authentication protocol
D. LCP

Answer: A, C, D

QUESTION 717
Which of the following messages is used for IPv6 stateless address autoconfiguration? ()*

A. NS
B. RA
C. NA
D. RS
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Answer: B, D

QUESTION 718
Which of the following statements about IPv6 address configuration are correct? ()*

A. IPv6 supports stateless automatic configuration

B. IPv6 address supports automatic configuration in multiple ways
C. IPv6 supports DHCPv6 for address configuration
D. IPv6 addresses can only be configured manually

Answer: A, B, C

QUESTION 719
The classic network forwarding method is based on router routing table forwarding. The forwarding method of
OpenFlow switches is based on flow table forwarding. Which of these two forwarding methods are correct? ()*

A. The routing table is of fixed length. A device can only have one public routing table
B. The flow table is getting longer. A network device can only have one flow table
C. The matching method of the flow table is to match the MA of the flow at the same timeC.Address andIP address
D. The matching method of the address table is to match the route of the destination network segment with the longest
mask

Answer: A, C, D
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 720
In an OSPF broadcast network, with which routers does a Dothter router exchange link state information? ( )

A. BDR
B. All OSPF neighbors
C. DR Other
D. DR

Answer: A, D

QUESTION 721
The administrator cannot log in to the Huawei router through Telnet, but other administrators can log in normally. What
are the possible reasons for the following items? ()

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A. The administrator user account has been deleted

B. The administrator user account has been disabled
C. The Telnet service of the AR2200 router has been disabled
D. The authority level of the administrator user account has been modified to 0

Answer: A, B
https://www.validexamdumps.com/H12-811_V1.0.html

QUESTION 722
How to add AP on AC.? ()*

A. Add online
B. Automatically discover AP
C. Import AP offline
D. Manually confirm APs in the non-certified list

Answer: A, B, C

QUESTION 723
In the OSPF protocol, the correct one in the following description of DR is (). ()*

A. Establish an adjacency relationship between DR and BDR

B. If the priority values of the two routers are equal, the router with the larger Router ID is selected as the DR
C. By default, all routers in this broadcast network will participate in the DR election
D. If the priority values of the two routers are different, the router with the smaller priority value is selected as the DR

Answer: A, B, C

QUESTION 724
https://www.validexamdumps.com/H12-811_V1.0.html ip route-static.10.0.2.2255.255.255.25510.0.12.2 preference20,
the correct statement about this command is ()

A. The NextHop of this route is 10.0.12.2

B. The priority of this route is 20
C. This route can guide the forwarding of packets with the destination P address of 10.0.2.2.
D. This route can guide the forwarding of packets with the destination IP address 10.0.12.2

Answer: A, B, C

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QUESTION 725
Which of the following features does the default VLAN in the Layer 2 Ethernet switch have? ()*

A. The default VLAN cannot be deleted manually

B. By default, all ports of the switch are member ports of the default VLAN
C. A default VLAN must be created before it can be assigned a port
D. The P address configured on the switch will only be applied to the member ports of the default VLAN

Answer: A, B

QUESTION 726
Link aggregation is a common technology in enterprise networks. Which of the following descriptions are the
advantages of link aggregation technology? ()
https://www.validexamdumps.com/H12-811_V1.0.html

A. Improve safety
B. Achieve load sharing
C. Increase bandwidth
D. Improve reliability

Answer: B, C, D

QUESTION 727
The router Radius information configuration is shown in the figure. Which of the following statements are correct?
（）#Radius-server template Huawei radius-server shared.key cipher Huawei radius-server authentication 200.0.12.1
1812 radius-server accounting 200.0.12.1 1813#*

A. The source IP address of the Radius packet sent by the router is 200.0.12.2
B. The P address of the accounting server is 200.0.12.1
C. The P address of the authorization server is 200.0.12.1
D. The P address of the authentication server is 200.0.12.1

Answer: B, C, D

QUESTION 728
When deploying ACL on Huawei equipment, which of the following descriptions is correct is ().*

A. ACL can match the TCP/UDP port number of the packet, and can specify the range of port numbers
https://www.validexamdumps.com/H12-811_V1.0.html
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B. The same ACL can be called under multiple interfaces

C. When ACL defines rules, it can only proceed in the order of 10, 20, 30
D. ACL cannot be used to filter OSPF traffic, because OSPF traffic does not use UDP protocol encapsulation
E. When calling ACL under the interface, it can only be applied to the outbound direction

Answer: A, B

QUESTION 729
There are hosts in a private network that need to access 1nternet. In order to achieve this requirement, which of the
following configurations should be done by the administrator on the edge router of the network? ()*

A. Default route
B. STP
C. DHCP
D. NAT

Answer: A, D

QUESTION 730
The administrator cannot log in to the Huawei router through Telnett, but other administrators can log in normally, so
which of the following are the possible reasons? ()*

A. The authority level of the administrator user account has been modified to 0
https://www.validexamdumps.com/H12-811_V1.0.html
B. The administrator user account has been disabled
C. The Te1net service of the AR2200 router has been disabled
D. The administrator user account has been deleted

Answer: B, D

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