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Huawei H13-511_V4.0 HCIA-Cloud Computing V4.0 Exam Practice Test

Demo: 45 questions
Total 253 questions

HCIA-Cloud Computing V4.0 Questions and Answers

Question 1

When binding a disk to a virtual machine in Huawei FusionCompute, to achieve the following requirements, the virtual machine does not take a snapshot of the disk when creating a snapshot, and does not restore the disk when using the snapshot to restore the virtual machine. At the same time, all data is required to be permanently written. The disk, which mode should I choose?

Options:

A.

Independent-non-persistent

B.

Independence-durable

C.

Independence

D.

Subordinate

Question 2

In KVM, there are two ways for the virtual machine network card to connect to the physical network, namely (A) and ()

Options:

A.

Bridge, address translation

B.

address conversion, through

C.

bridge, through

D.

Straight through, bridge

Question 3

The weakest data redundancy of the following RAID levels is ()

Options:

A.

RAID 1

B.

RAID 6

C.

RAID 0

D.

RAID 5

Question 4

Virtual machines generally have corresponding configuration files that record information such as the specifications and names of the virtual machines.

Options:

A.

TRUE

B.

FALSE

Question 5

The process of creating a file system on a disk is often referred to as

Options:

A.

Packaging

B.

Formatting

C.

RAID

D.

Partition

Question 6

The way FusionCompute Installer deploys VRM virtual machines is ().

Options:

A.

ISO file automatic installation

B.

Import the template file to the virtual machine

C.

Automatically create virtual machines and automatically mount ISO files for installation

D.

PXE automatic installation

Question 7

Open source virtualization technologies are all type I virtualization, and closed source virtualization technologies are all type II virtualization

Options:

A.

TRUE

B.

FALSE

Question 8

The KVM virtualization architecture includes KVM modules, QEMU and Libvirt. The following incorrect description of these modules is

A, KVM module is mainly responsible for the creation of Vcpu and the allocation of virtual memory

B. KVM + QEMU can constitute a set of virtualization solutions

C, Libvirt + QEMU can constitute a set of virtualization solutions

D, QEMU is mainly responsible for I / O operation simulation

Options:

Question 9

In Huawei FusionCompute, users can manage VMs in multiple ways:

Options:

A.

Log in to the virtual machine directly for management

B.

Use the graphical interface for management after logging into CNA

C.

Use the graphical interface for management after logging in to VRM

D.

Use the command line to manage after logging in to CNA

Question 10

In Huawei FusionCompute, the resources of the cluster are composed of the host and its associated storage and network resources.

Options:

A.

True

B.

False

Question 11

What is included in the virtual NUMA (multiple choice)

Options:

A.

Load balancing, considering the node correlation during the scheduling process, and the corresponding relationship between the node and the physical node, to ensure the VCPU access to local content to the greatest extent

B.

Place the site, check the NUMA topology of the virtual machine, and select the physical node mode VCPU and memory, so the relationship between VCPU and memory in nide has always been physical.

C.

The topology is displayed. The NUMA is recognized in the temporal part of the virtual machine. The guestOS and the NUMA optimization function take effect.

D.

Dynamic migration, when the affinity between the VCPU and the physical node changes, trigger the migration of its corresponding Vnode memory

Question 12

In Huawei FusionCompute, the following incorrect technical description of CPU QoS is (C)

A The role of "reservation" is to ensure the lower limit of the computing power of the virtual machine, that is, how much resources are used at least

B "Shares" is used to calculate resources based on the relative CPU share values ​​of multiple virtual machines when computing resources are insufficient.

Source balance and adjustment

C "limit" is used to specify the maximum number of hosts

D By adjusting the "Reservation", "Share", "Restriction", to achieve control of the virtual machine CPU resource usage

Options:

Question 13

In Huawei FusionCompute, virtual machines using raw device mapping type data storage are not supported (multiple selection)

Options:

A.

Snapshot

B.

CPU Hot Add

C.

Storage thin provisioning

D.

Storage live migration

Question 14

The following are the north-south traffic (multi-select)

Options:

A.

Traffic generated by virtual machine live migration

B.

Traffic between virtual machines accessing each other across data centers

C.

Traffic generated by customers accessing data center business via the Internet

D.

Traffic between virtual machines inside the data center

Question 15

In the physical network, which device can perform routing and forwarding?

Options:

A.

Hub

B.

Layer 2 switch

C.

Router

D.

Physical server network card

Question 16

In Huawei FunsionCompute, the following description of the host storage interface is incorrect is A

Options:

A.

Supports two ways to add interfaces: manual addition and batch addition

B.

By adding multiple storage interfaces, multi-path transmission of storage can be realized

C.

The IP address of the storage interface can be in the same network segment as the management plane

D.

Local hard disk and FC SAN can realize the docking of storage devices locally without adding storage interfaces

Question 17

Switches can be divided into access switches, aggregation switches, and core switches according to their usage. Virtual switches belong to aggregation switches Switch

A True

B False

Options:

Question 18

Huawei FusionCompute can sense the use of global physical resources during the running of a virtual machine, and use an intelligent scheduling algorithm to calculate the best host suitable for the virtual machine to run, and run the virtual machine on the best host by means of hot migration, Thereby improving the global business experience

A True

B False

Options:

Question 19

The following incorrect description of the template is

Options:

A.

After the virtual machine is cloned as a template, the virtual machine still exists

B.

Custom parameters when deploying virtual machines using templates

C.

After converting the template to a virtual machine, the template no longer exists

D.

Templates can be used across virtualization platforms

Question 20

. Where is the memory reuse function enabled in Huawei FusionCompute?

Options:

A.

Host

B.

operating system

C.

virtual machine

D.

Cluster

Question 21

If a virtual machine wants to communicate with other virtual machines, which of the following options is necessary?

Options:

A.

Need to configure port binding on the physical server

B.

Port binding needs to be configured on the physical switch

C.

The physical server where the virtual machine is located needs to be networked

D.

Need to add at least one network card to the virtual machine

Question 22

In Huawei FusionCompute, the following incorrect description of CPU resource QoS is

Options:

A.

CPU reservation defines the minimum computing resources allocated when multiple virtual machines compete for physical CPU resources

B.

CPU quota defines the allocation of computing resources by priority when multiple virtual machines compete for physical CPU resources

C.

CPU shares define how multiple virtual machines allocate computing resources proportionally when competing for physical CPU resources

D.

CPU reservation only works when a virtual machine competes for computing resources. If no competition occurs, the virtual machine can exclusively occupy the physical CPU resources.

Question 23

The function of the Internet of Things is only to collect data generated by various things.

Options:

A.

Yes

B.

wrong

Question 24

The following description about the differences between physical switches and virtual switches is incorrect

A virtual switch runs on a physical server, and the physical switch has separate hardware

B The virtual switch cannot operate on the VLAN tag, and the physical switch can operate on the VLAN tag

C A virtual switch cannot be configured with a Layer 3 interface, and a physical switch can be configured with a Layer 3 interface

D Virtual switches also require certain hardware resources for their normal operation

Options:

Question 25

In FusionCompute, the virtual network adapter of each virtual machine is connected to the port of the virtual switch. In order to facilitate the user to configure and manage multiple ports at the same time, divide the ports with the same network attributes into the same port group

Options:

A.

TRUE

B.

FALSE

Question 26

In Huawei FusionCompute, if the number of physical NICs in the server is small, consider adding multiple Plane Merging Department Deployment, using VLAN to logically isolate each plane A

Options:

A.

TRUE

B.

FALSE

Question 27

Virtualization description is correct

Options:

A.

VMM runs in Guest Machine

B.

VMM runs directly on Host Machine

C.

VMM runs on Guest OS

D.

VMM runs on Host OS

Question 28

In Huawei FusionCompute, DVS not only supports static routing configuration, but also supports a variety of dynamic routing.

Options:

A.

TRUE

B.

FALSE

Question 29

Computing virtualization has different classifications from different perspectives, which can be divided into type I and type II virtualization, and can also be divided into full virtualization and paravirtualization.

Options:

A.

TRUE

B.

FALSE

Question 30

Memory multiplexing technology is the prerequisite for the realization of memory resource QoS.

Options:

A.

TURE

B.

FALSE

Question 31

In Huawei FusionCompute, to improve VRM reliability, which of the following deployment methods is recommended?

A active / standby deployment

B single node deployment

C hybrid deployment

D active-active deployment

Options:

Question 32

Voice recognition, image recognition, and emotional companion robots are all applications of artificial intelligence

Options:

A.

True

B.

False

Question 33

In the following description, in line with the characteristics of the virtual package (multiple) the A. The configuration file of the virtual machine contains information such as CPU type and quantity.

B. Virtual machines can be migrated from one physical host to another

C. Multiple virtual machines can run on one physical host at the same time

D. If a virtual machine has multiple hard disks, each hard disk will generate a corresponding disk file

Options:

Question 34

In Huawei FusionCompute, if a virtual machine is bound to a host, the functions that will be affected are (multi-select) .

Options:

A.

DRS

B.

Memory Hot Add

C.

Thermal migration

D.

Snapshot

Question 35

In Huawei FusionCompute, the following incorrect description of the template format is.

Options:

A.

Ovf format template contains only one ovf file and one vhd file

B.

Ova format template contains only one file after export

C.

There are two formats for virtual machine templates: ova and ovf.

D.

.ovf is the virtual machine's description file, and .vhd is the virtual machine's disk file

Question 36

Which of the following technologies or equipment cannot isolate broadcasts

Options:

A.

Router

B.

VLAN

C.

Hub

D.

Firewall

Question 37

In Huawei FusionCompute, a Linux-based virtual machine is created. In this scenario, the host OS Running at

A, VNA

B, CNA

C, VRM

D, Linux virtual machine

Options:

Question 38

In the development of the Internet, there are many milestone events. The order of the milestone events in the following options is normal.

Options:

A.

The establishment of TCP / IP protocol specifications-ARPANET is born-www is officially open to the public-DNS is born

B.

www is officially open to the public-the birth of DNS-the establishment of TCP / IP protocol specifications-the birth of ARPANET

C.

The birth of ARPANET-the establishment of TCP / IP protocol specifications-the birth of DNS-www is officially open to the public

D.

The birth of DNS-the establishment of TCP / IP protocol specifications-the birth of ARPANET-www is officially open to the public

Question 39

SATA disks use parallel interface type disks, and SAS disks use serial interface type disks.

Options:

A.

TRUE

B.

FALSE

Question 40

For FusionCompute, the following incorrect description of storage-related concepts is

Options:

A.

A physical storage device can be used as a storage resource

B.

Logical unit in the physical storage corresponding to the storage device, such as a LUN

C.

Data storage can be IP SAN, FC SAN, NAS, etc. //

D, VHD is the virtual machine disk file format

Question 41

Virtualization is divided into computing virtualization, storage virtualization and network virtualization, corresponding to cloud computing cloud host, cloud storage, cloud network

A, yes

B, wrong

Options:

Question 42

The following are CIFS descriptions that are correct

Options:

A.

CIFS supports multi-user access

B.

CIFS has low requirements for the reliability of network transmission. It can use both TCP / IP and UDP protocols.

C.

CIFS requires clients to have special software installed

D.

CIFS retains file format characteristics

Question 43

Compared with FC SAN, which of the following is not an advantage of IP SAN?

Options:

A.

Convenient bandwidth expansion

B.

Low construction cost

C.

Long transmission distance

D.

High transmission efficiency

Question 44

As FusionCompute, which one of the following options do not belong CPU resources QoS parameters?

A, CPU share of resources

B, CPU resource limits

C, CPU resource reservation

D, CPU resource reuse

Options:

Question 45

Virtual machine live migration refers to moving virtual machines in the same cluster from one physical server to another physical server in the state of a virtual machine.

Options:

A.

True

B.

False

Demo: 45 questions
Total 253 questions