HCIA-Cloud computing Mock Exam Security Level

Cloud computing Mock exam

1. （Single）Which of the following is true about the on-demand self-service feature

of cloud computing?
A. Users do not need to communicate with service providers at all when using
cloud computing resources.
B. After determining the required cloud computing services, users can apply for
cloud computing resources by themselves.
C. The cloud computing service providers only need to prepare the cloud
services and users will complete the remaining process all by themselves.
D. When using cloud computing resources, users need to solve all problems by
themselves.

2. （T or F）The measurable service feature of cloud computing refers to

charging based on time and usage.

3. （Single）There are many milestone events in the development of the

Internet. Which of the following is true about the time sequence of the milestone
events?
A. Establishment of the TCP/IP protocol ---> Birth of ARPANET ---> "www"
officially open to the public ---> Birth of DNS
B. Birth of DNS ---> Establishment of the TCP/IP protocol ---> Birth of ARPANET
---> "www" officially open to the public
C. "www" officially open to the public ---> Birth of DNS ---> Establishment of the
TCP/IP protocol ---> Birth of ARPANET
D. Birth of ARPANET ---> Establishment of the TCP/IP protocol ---> Birth of DNS
---> "www" officially open to the public

4. （Multiple）Which of the following storage resource types are supported by

Huawei FusionCompute?
A. FC SAN
B. IP SAN
C. NAS
D. Advanced SAN
E. FusionStorage

5. （T or F）Hybrid cloud is a deployment mode that integrates features of the

public cloud and private cloud. The industry cloud is a form of hybrid cloud.

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6. （Multiple）Which of the following are true about RAID?

A. A RAID group can be regarded as storage space consisting of two or more
disks. The available capacity of a RAID group is the sum of the capacity of disks
in the group.
B. RAID improves the I/O performance of a storage system by concurrently
reading and writing data on multiple disks.
C. When a disk is damaged, other disks in RAID 5 can still work properly, and the
disk I/O performance is not affected.
D. Compared with RAID 5, RAID 6 has stronger data recovery capability, but
weaker read/write capability of disks.

7. （T or F）After the disks in an array form a RAID group, the server connected
to the disk array cannot directly access the RAID group. Therefore, you need to
divide the disk array into logical LUNs before allocating them to the server.

8. （T or F）The virtualization technology can virtualize a physical server into

multiple VMs, improving the hardware performance of the physical server.

9. （Multiple）In Huawei FusionCompute, which of the following are true about

the relationship about quantities of VMs and DVSs?
A. If a VM has multiple NICs, each NIC can be associated with a DVS.
B. If a VM has multiple NICs, multiple NICs can be associated with the same
DVS.
C. If a VM has one NIC, the NIC can be associated with only one DVS.
D. If a VM has one NIC, the NIC can be associated with multiple DVSs.

10. （Single）In the OpenStack solution, which of the following modules provides
persistent block storage?
A. Cinder
B. Swift
C. Nova
D. Glance

11. （Multiple）Which of the following statements about Virt-manager are true?

A. Virt-manager is a graphical management tool for KVM VMs.
B. Virt-manager is a KVM VM management command set.
C. Virt-manager is an open-source KVM VM management tool.
D. Virt-manager is a commercial KVM VM management tool.

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12. （Multiple）Which of the following are true about KVM virtualization?

A. The host OS can be Linux.
B. The host OS can be Windows.
C. The guest OS can be Linux.
D. The guest OS can be Windows.

13. （Single）The KVM virtualization architecture includes the KVM module,

QEMU, and Libvirt. Which of the following statements about these modules is
false?
A. The KVM module is responsible for creating vCPUs and allocating virtual
memory.
B. The QEMU module is responsible for simulating I/O operations.
C. Libvirt and QEMU can form a virtualization solution.
D. KVM and QEMU can form a virtualization solution.

14. （T or F）Virtualization features include partitioning, isolation, encapsulation,

and independence.

15. （Multiple）In Huawei FusionCompute, if a VM is bound to a host, which of

the following functions will be affected?
A. Snapshot
B. DRS
C. Hot migration
D. Memory hot-add

16. （T or F）Huawei FusionCompute is able to check the usage of global

physical resources during VM running, calculate the optimal host for the VM
based on the intelligent scheduling algorithm, and enable the VM to run on the
optimal host by means of live migration, thereby improving the overall service
experience.

17. （Single）Which of the following operations for creating port groups in

Huawei FusionCompute is false?
A. Set the name of the port group to "test".
B. Set the port type to Common.
C. Set the VLAN ID to 5000.
D. Enter "This is a test port." in the description.

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18. （Multiple）In Huawei FusionCompute, the VLAN ID of a port group is set to

10, which indicates ( ).
A. The system will untag the data frames with the VLAN 10 tag that pass through
the port group and then forward the data frames.
B. The system will add the VLAN 10 tag to the data frames without a VLAN tag
that pass through the port group and then forward the data frames.
C. The system will discard the data frames with a tag other than VLAN 10 that
pass through the port group.
D. The system will change the tag of data frames with a non-VLAN-10 tag that
pass through the port group to VLAN 10 and then forward the data frames.

19. （T or F）Virtualization includes computing virtualization, storage

virtualization, and network virtualization, which correspond to elastic cloud
servers (ECSs), Elastic Volume Service (EVS) disks, and cloud networks in cloud
computing, respectively.

20. （Single）In Huawei FusionCompute, which of the following statements

about the IMC function is false?
A. You are advised to enable the IMC function when the CPU models of CNA
hosts in the cluster are inconsistent.
B. If the IMC function is enabled, VMs cannot be migrated between hosts with
different CPU models. Determine whether to enable the IMC function based on
the site requirements.
C. IMC only supports the VM migration from an earlier CPU generation to a later
CPU generation.
D. You are advised to enable the IMC function when the memory sizes of CNA
hosts in the cluster are inconsistent.

21. （Single）In Huawei FusionCompute, users can create VMs by importing a

VM template file. Which of the following file formats is not supported?
A. .ova
B. .xml
C. .vmdk
D. .ovf

22. （T or F）If a security group is deleted, the rules in the security group will be
deleted as well.

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23. （Single）Which of the following statements about big data and cloud
computing is true?
A. Cloud computing is a broad term for data sets so large or complex that
traditional data processing applications are inadequate.
B. Big data uses the pay-per-use mode, which supports available, convenient,
and on-demand network access.
C. Big data can be used as a type of cloud computing service for users to
choose.
D. Cloud computing cannot provide the underlying computing resources used for
big data processing.

24. （Multiple）In Huawei FusionCompute, which of the following statements are

true about adding shared storage for multiple hosts?
A. When the shared storage is IP SAN, make sure that the storage network of the
host is connected to the service ports of storage.
B. Select the corresponding host when adding a datastore.
C. Select all hosts when associating storage devices.
D. Select all hosts when initializing storage resources.

25. （Single）In which scenario should the memory overcommitment ratio not be
increased?
A. The VM memory usage is low.
B. The memory overcommitment ratio reaches 150% in commercial scenarios.
C. The customer requires that the maximum allowed number of VMs be deployed
on a single host while ensuring performance.
D. Customers' hardware procurement costs need to be reduced.

26. （Single）In FusionCompute, which of the following is not a method for

creating a template?
A. Converting a VM to a VM template
B. Cloning a VM template to a VM template
C. Converting a snapshot to a VM template
D. Cloning a VM to a VM template

27. （Single）On a physical network, which of the following devices supports

route forwarding requests?
A. Physical server NIC
B. Hub
C. Layer 2 switch
D. Router

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28. （T or F）In Huawei FusionCompute, a management IP address must be

configured for each DVS to facilitate unified management of DVSs.

29. （Single）Which of the following technologies can increase the link rate on a
switch?
A. VLAN
B. VxLAN
C. LACP
D. LDAP

30. （Single）In Huawei FusionCompute, which of the following operations is

supported when users modify a disk of a VM?
A. Change the disk mode from Dependent to Independent & persistent.
B. Change the disk capacity from 80 GB to 8 GB.
C. Change the disk status from Available to Unavailable.
D. Change the disk configuration mode from Thin provisioning to Ordinary.

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