13:05 08/03/2024 NWC303 Lab 8 (Routing Concepts)
NWC303 Lab 8 (Routing Concepts)
Routing Concepts
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When a router learns that multiple paths are available to a destination * 1 point
network from the same routing protocol, which factor is considered by a
router to choose the best path to forward a packet?
the fastest bandwidth of exiting interfaces
the lowest metric
the order of paths on the routing table
the reliability value of the neighboring routers
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13:05 08/03/2024 NWC303 Lab 8 (Routing Concepts)
What are two reasons why an administrator might choose to use static * 1 point
routing rather than dynamic routing? (Choose two.)
Static routing is more scalable
Static routing uses less router processing and bandwidth
Static routing is easier to maintain in large networks
Static routing is more secure
Static routing does not require complete knowledge of the whole network
Which route entry would be used for a packet with a destination IP address * 1 point
that matches an IP address of one of the router interfaces?
depends on the source of the route
L for Local
C for Directly Connected
S for Static
Which type of static route creates a gateway of last resort? * 1 point
standard static route
summary static route
default static route
floating static route
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13:05 08/03/2024 NWC303 Lab 8 (Routing Concepts)
If a router needs to send an ARP Request for the IPv4 address in one of its * 1 point
route entries, this means the packet will be forwarded:
Which packet forwarding method is used by default on Cisco routers?
To the device with the destination IPv4 address of the packet
What is an advantage of using dynamic routing protocols instead of static * 1 point
routing?
easier to implement
fewer router resource overhead requirements
more secure in controlling routing updates
ability to actively search for new routes if the current path becomes unavailable
If a router needs to send an ARP Request for the destination IPv4 address * 1 point
of the packet, this means the packet will be forwarded:
To a next-hop router
To the device with the destination IPv4 address of the packet
What is used to determine the minimum number of far-left bits that must * 1 point
match between the prefix in the route entry and the destination IP address.
the classful address of the network address
prefix length in the routing table entry
prefix length of the destination IP address
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13:05 08/03/2024 NWC303 Lab 8 (Routing Concepts)
What are two functions of a router? (Choose two.) * 1 point
It builds a routing table based on ARP requests
It controls the flow of data via the use of Layer 2 addresses
It determines the best path to send packets
A router connects multiple IP networks
It provides segmentation at Layer 2
What are two functions of dynamic routing protocols? (Choose two.) * 1 point
to maintain routing tables
to avoid exposing network information
to assure low router overhead
to choose the path that is specified by the administrator
to discover the network
What table does a router use to determine how to forward an IP packet? * 1 point
neighbor cache
routing table
ARP table
MAC address table
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13:05 08/03/2024 NWC303 Lab 8 (Routing Concepts)
What type of network is accessed by a single route and the router has only * 1 point
one neighbor?
Next-hop network
Directly connected network
Local network
Stub network
Which value represents the "trustworthiness" of a route and is used to * 1 point
determine which route to install into the routing table when there are
multiple routes toward the same destination?
administrative distance
routing protocol
outgoging interface
metric
True or False? A default route can only be a static route. * 1 point
True
False
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13:05 08/03/2024 NWC303 Lab 8 (Routing Concepts)
The output of the show ip route command contains the following entry: * 1 point
S 10.2.0.0 [1/0] via 172.16.2.2.
What value is indicated by the 1 in the [1/0] portion of the output?
metric
number of hops
administrative distance
interface ID through which the network can be reached
Which two route source codes are automatically created within a routing * 1 point
table whenever a router interface is configured with an IP address and
activated? (Choose two.)
Which two route sources have the ability to automatically discover a new * 1 point
best path when there is a change in the topology? (Choose two.)
Default route
Static route
OSPF
EIGRP
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13:05 08/03/2024 NWC303 Lab 8 (Routing Concepts)
Which feature on a Cisco router permits the forwarding of traffic for which * 1 point
there is no specific route?
outgoing interface
gateway of last resort
route source
next-hop
Which three advantages are provided by static routing? (Choose three.) * 1 point
Static routing typically uses less network bandwidth and fewer CPU operations than
dynamic routing does
Configuration of static routes is error-free
No intervention is required to maintain changing route information
The path a static route uses to send data is known
Static routes scale well as the network grows
What are two common types of static routes in routing tables? (Choose * 1 point
two)
a built-in static route by IOS
a static route converted from a route that is learned through a dynamic routing
protocol
a static route to a specific network
a default static route
a static route shared between two neighboring routers
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13:05 08/03/2024 NWC303 Lab 8 (Routing Concepts)
What address and prefix length is used when configuring an IPv6 default * 1 point
static route?
FF02::1/8
::/0
::1/128
0.0.0.0/0
Which routing table principle is not correct? * 1 point
Every router makes its decision alone, based on the information it has in its own
routing table
The fact that one router has certain information in its routing table does not mean
that other routers have the same information
Routing information about a path from one network to another also provides routing
information about the reverse, or return, path
What term is used to describe routing over two or more paths to a * 1 point
destination with equal cost metrics?
equal cost routing
equal packet forward
equal cost load balancing
equal path selection
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13:05 08/03/2024 NWC303 Lab 8 (Routing Concepts)
What metric is used by OSPF to determine the best path? * 1 point
decided by the network administrator
hop count
bandwidth and delay
cost
What type of routing is typically used with a stub network? * 1 point
static routes
dynamic routing protocols
Which packet-forwarding method does a router use to make switching * 1 point
decisions when it is using a forwarding information base and an adjacency
table?
process switching
flow process
fast switching
Cisco Express Forwarding
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13:05 08/03/2024 NWC303 Lab 8 (Routing Concepts)
A network administrator configures a static route for the same destination * 1 point
network that was learned automatically by the router using OSPF. Which
route will be installed and why?
Static route because it has a lower metric
OSPF route because it has a lower administrative distance
Static route because it has a lower administrative distance
OSPF route because it has a lower metric
Which type of routing automatically adapts to topology changes? * 1 point
static routes
both static routes and dynamic routing protocols
dynamic routing protocols
What action will a router take on a packet with a destination IP address that * 1 point
is on a remote network?
It will forward the packet directly to the device with the destination IP address of the
packet
It will forward the packet to a next-hop router
It will drop the packet
It will forward the packet to an Ethernet switch
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13:05 08/03/2024 NWC303 Lab 8 (Routing Concepts)
Which packet forwarding method is used by default on Cisco routers? * 1 point
Ethernet switching
Cisco Express Forwarding
process switching
fast switching
Which of the following routes may be found in a routing table? (Choose all * 1 point
that apply.)
static routes
default route
directly connected networks
dynamic routing protocol routes
Which type of route would typically be used on a border router so that * 1 point
devices inside the company could access the Internet?
default
summary
static
directly connected
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13:05 08/03/2024 NWC303 Lab 8 (Routing Concepts)
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