H13-531_V2.0 HCIE-Cloud Computing (Written) V2.0 Questions and Answers

hardwareCPUHighly coupled, enhance virtualCPUprocessing performance

Reduce the space occupied in the memory by deduplication and sinking technology

Deep integration with virtualization platform to improve deployment efficiency

memory efficientIOAbility to provide a high-experience user virtual machine

web interface

command line

Equipment operation panel

Unified management of tools

TRUE

FALSE

If the disk mode of the virtual machine disk is "Independent-non-persistent", online increase of disk capacity is not supported quantity

If the data storage type to which the virtual machine disk belongs is NAS storage and the configuration mode is "Normal", support online increase of disk capacity

If the virtual machine disk is a shared disk or a differential disk, online expansion is not supported

During the expansion of the virtual volume, the Windows virtual machine does not need to be restarted

The virtual machine is in a different port group, and the switch cannot achieve Layer 3 intercommunication

The virtual machine firewall does not pass through

The virtual machine is in a different port group, and the routing forwarding policy is not configured in the virtual machine

the virtual machine is in the same port group of different hosts, and the routing forwarding policy is not configured in the virtual machine

The speed of CPU access to memory in the same Node is similar to that of accessing memory in other Nodes

NUMA technology divides the CPU into different groups (Nodes), each Node consists of one or more CPUs,

And have independent local memory, I/O and other resources

Consider NUA topology when allocating memory and CPU, providing initial placement, load balancing, and dynamic memory migration etc. function

Non-uniform Memory Architecture (Non-uniform Memory Architecture) solves multiprocessor systems Scalability issues in

The BMC network plane is abnormal

The operating system of the host where the standby node is located is faulty

The standby node is not configured with active/standby or fails to configure active/standby

The HA certificates of the active and standby VRM nodes do not match or the system time is not within the validity period of the certificate

DRS

snapshot

Thermal migration

Memory hot add

Not all cloud services have default products on the product catalog

Products created by operations administrators can be seen and used by all end users

For each cloud service connected to ManageOne, its products are uniformly presented on MO's product catalog

Products created by VDC administrators can be published to this level or lower level VDCs

CNA IP

version number

VRMIP

Cloud platform name

linked clone

full copy

Fast packaging

high performance desktop

TRUE

FLASE

support pairFusioncomputevirtual machine backup

Accurate backup of virtual machine desktop files

Incremental backup to disk

You can do a full backup of the virtual machine and a permanent incremental backup

Each user can apply for multiplevPC.

By default, in differentVPCmiddleECScannot access each other.

VPCIt can realize the isolation of computing resources at the network level.

eachVPCOnly one subnet can be created below.

Virtual Group (Full Replication) - Desktop Group Type (Dynamic Pool)

Virtual Group (Linked Clones) - Desktop Group Type (Static Pool)

Virtual Group (Full Copy) - Desktop Group Type (Proprietary)

Virtual Groups (Linked Clones) - Desktop Group Type (Proprietary)

True

False

The parent volume and sub-volume can be on different data storage

iCacheCache the hotspot data of the linked clone parent volume to the host memorycache, to achieve the purpose of virtual machine acceleration

Linked clones can only be created on datastores that support thin provisioningVM

The difference between a linked-clone desktop and a full-copy desktop lies mainly in the production method of the system disk.

True

False

Virtual machine deploymentVRMnode

management node at least4indivualGEnetwork port

management nodeOSdisk useRAID1model

Physical machine deploymentVRMnode

TowardsVRMorvcenterIssue a backup task

received fromCANSnapshot of the virtual machine sent by the host

Distribute backup tasks to production storage

Receive backup data from production storage

I0 Mirror

Hyper Mirror

Hyper Replication

I0 Replication

wrong

right

object storage

IP SANstorage

FC SANstorage

NASstorage

50piece2TB SATADisks form storage pools. internal useRAID5type

100piece1TB SATADisks form a storage pool for internal useRAID5type

50piece2TB SATAAdministrative disks form a storage pool for internal useRAID6type

100piece1T8 SATADisks form storage pools. internal useRAID6Beautiful

The host where the virtual machine is located has completed the huge page configuration and takes effect

The cluster where the virtual machine is located has been set to a high-performance cluster

Turn on the IMC mode of the cluster where the virtual machine is located

A distributed switch of the user-mode switching mode type has been created

Currently VPN only supports IPsec VPN

One VPN gateway in the VPN can correspond to multiple VPN connections

VPN is a secure and encrypted communication tunnel used to connect the local data center and the network on the cloud

VPN can also be used to connect two VPCs under the same region

VNC login may touch end user data and should be used with caution.

through VNC, the administrator can connect and view the interface of the virtual machine, which is convenient for the management of the virtual machine

And maintenance.

After VNC logs in to the Linux virtual machine, the administrator cannot log in to the virtual machine via SSH.

The virtual machine without Tools installed cannot log in with VNC.

Snapshots are converted to templates

Template clone as template

The virtual machine is converted into a template

virtual machine cloneway template

The implementer logs in to the ManageOne operation side to issue manually.

Rainbow server connects with CPS for automatic distribution.

The Rainbow server is connected to the ManageOne operation side for automatic distribution.

Rainbow server connects with ServiceOM for automatic distribution.

a-f-h-c-g-b-e-d

a-f-b-g-c-h-e-d

a-f-c-b-g-h-e-d

a-f-h-b-g--c-e-d

OBS

ECS

EVS

EIP

The application requires high-performance graphics card and image processing.

The application requires special hardware support.

Physical server non-X86 architecture.

The company's daily office system, such as OA system.

The virtual machine is converted into a template

Snapshots are converted to templates

Virtual machine clone as template

Template file import as template

Cumulative full backup

Differential Incremental Backup

Cumulative incremental backup D. Full backup

FusionSphere OpenStack

Vmware Center Server

FusionCompute

VMware ESX/ESXi Server

According to the impact on the business from small to large

According to the business interruption time from short to long

According to business complexity, from easy to difficult

According to the migration risk from low to high

in the case ofWindowsoperating system, only supportedUEFI

in the case ofWindowsoperating system that supports bothUEFIandBIOS

in the case ofLinuxoperating system that supports bothUEFIandBIOS

in the case ofLinuxoperating system, only supportedUEFI

Correct

False

TRUE

FLASE

subnet

network

port

elasticityIP

Storage Migration

Linked clones

Virtual Machine Snapshot

Storage Thin Provisioning

True

False

TRUE

FALSE

True

False

True

False

Applications requesting virtual memory can be0Shenzhen begins.

Memory virtualization technology can achieve memory over-allocation.

FusionComputeSupports memory hardware-assisted virtualization technology to reduce memory virtualization overheaD.

The virtual memory requested by the application is contiguous.

The data storage failure handling policy is set to not be processeD. If the data storage failure time exceeds the time set by "Policy Delay", the virtual machine will be automatically shut down to avoid data damage.

The host failure handling policy is set to restore the virtual machine from the original host. When the host where the virtual machine is located fails, the system must wait for

the host to recover before restarting the virtual machine on the original host.

The host failure handling policy is set toHAVirtual machine, when the host where the virtual machine is located fails, the system will reselect the host to start

the virtual machine according to the virtual machine startup policy set in the cluster

The delay policy is configured, during the delay time, the virtual machine's1/OThe backend driver will retransmit and process the

Multiple virtual machines share one physical network port.

Virtual machines are frequently migrated across physical servers.

The physical machine communicates with the outside worlD.

Realize the requirements of location-independent, elastic scaling, and on-demand use of network resources.

True

False

passTCMyesHDAto upgrade

passTCMable to manageTCto upgrade

passTCMCan issue policies to virtual desktops

passTCMCan view managedTCThe run log

The virtual machine used to make the template was not obtainedDNSaddress.

The virtual machine operating system used to make the template andHDANot compatible.

A virtual machine that is templated with children has multiple disks.

The virtual machine used to make the template did not get the correct oneIPaddress.

do not handle

Restart the virtual machine

HAvirtual machine

Shut down the virtual machine

single user

pooled user

static multi-user

Dynamic Multi-User

True

False

Hosts with lots of small files

Hosts with high disk usage

The partition structure needs to be consistent with the source side

purpose of planningVMThe disk space size is expanded or reduced relative to the source.

The thin provisioning of virtual storage has nothing to do with the operating system and hardware. Therefore, only the virtual image management system can be used to realize the thin provisioning of disks.

Not currently supportedNFSFormatted virtual machine disk reclaim

Provide data storage capacity early warning, you can set a threshold, and generate an alarm when the storage capacity exceeds the threshold

Provides virtual disk space monitoring and reclamation functions

TRUE

FALSE

The target host has failed, has been rebooted, or has entered maintenance mode

source host and target hostCPUThe amount is inconsistent.

The source host and the target host have network interruptions or network failures

The virtual machine is bound to the source host

Created and configuredVRGAfter that, create a snapshot for it immediately to prevent unavailability caused by misoperation

When using the storage replication disaster recovery method, you need toFusionComputedeployVRG

When using the host replication disaster recovery method, only theVRGofCNAsThe virtual machine on the host can be protected

when oneVRGWhen the load requirement cannot be met, it needs to be addedVRG. addedVRGCan't be created by cloning,

can only be deployed by template

WillVIANIDset to '5000'

Add "this is the test port" to the description

Set the port type to "Normal"

Set the name of the port group to "test".

True

False

Change the status of the disk from available to unavailable

Change the mode of the disk from slave to independent-persistent

C Change the capacity of the disk from 80G to 8G

D Change the configuration mode of the disk from thin to normal

TRUE

FALSE

GaussDB

ITA

HDC

WI

TRUE

FALSE

When using the routing network to search for the cloud host network card, the list only displays the cloud host network card corresponding to the network

When using the IP address to search for the cloud host network card, if the cloud host network card corresponding to the entered IP address is not

Bind the elastic IP, the search result is all the network cards under the cloud host that can be bound to the elastic IP

When using the IP address to search for the cloud host network card, if the input IP address corresponds to the cloud host network card

The elastic IP has been bound, the search result is empty

When the elastic IP of one cloud host belongs to the same external network, these cloud hosts need to apply for external external network, cannot directly share the bandwidth of the same external network

Backup protocol supports local, via FTP/SFTP to third-party server and OBS

In order to ensure the stable operation of the system, backup and recovery of management data can ensure that the impact on the business is reduced to

lowest

For the business recovery of CloudOpera, the same business can choose multiple backups to restore the actual file information

The system supports both automatic backup and manual backup of data

Block by ID

mask by time

Mask by object and ID

Shield by type

After modifying the NTP server time or when the site time is inconsistent with the NTP server time, you can to perform forced time synchronization operations without any impact on the business

If multiple NIP servers are configured, it is necessary to ensure that the NTP servers have the same upper-layer clock source to Make time consistent between NTP servers

C To configure the NTP clock source and change the time zone, the Fusioncompute service needs to be restarted; service is temporarily interrupted and may cause abnormal antivirus services

If the set internal clock source node type is host, the service process of the host will be restarted during the configuration process

will run onCentosUpKVMMigrating Virtual Machines to HuaweiHCSsuperior

will run onRH1288migrating business toTaishan 200on the server.C. will run onAlXMigrating business to HuaweiFusioncomputemiddle.

will run onARMarchitecture on a virtualization platformVMMigrate to HuaweiHCSsuperior.

The pooled desktop group supports the configuration of back-end standby virtual machines. When there are not enough desktops in the pool, virtual machines can be automatically replenished from the back-end standby virtual group in time.

The system will be restored after the dynamic pool virtual machine is powered off

A static pool is a group of users corresponding to a desktop pool. At the beginning, each user is associated with the desktop poolVMThere is no fixed distribution relationship. After being logged in by a user for the first time, the user and thisVMThe distribution relationship is fixed

A dynamic pool is a group of users corresponding to a desktop pool.VMNot a fixed assignment

True

False

Full replication virtual machines join the domain when provisioned

Linked-clone VM joins domain at template creation time

Full replication VM joins domain at template making

Linked-clone VMs are domain-joined when provisioned

the virtual machine'sIPThe address is manually set to0.0.0.0.

the virtual machine'sIPaddress isDHCPdistribute.

The virtual machine is not installedTools.

the virtual machine'sIPThe address is set manually.

OneVPC there is only one subnet below

VPCAllows computing resources to be isolated over the network

A user can have multipleVPC

VPCis to logically isolate the network

When the virtual machine is in the hibernated state, "Memory Snapshot" is checked by default

After checking "Memory Snapshot" and clicking "OK", the snapshot will save the data in memory when clicking "OK".

When the virtual machine is in the stopped state, memory snapshots cannot be created; and consistent snapshots, but disk snapshots can be created

When creating a disk snapshot, the system will save the currently unsaved cache data of the virtual machine first, and then create the Snapshot

True

False

File metadata corruption

Super block corruption

The access control module is damaged

The auxiliary distribution module is damaged

VDC roles include operation administrator, VDC administrator, maintenance administrator, VDC salesperson,

VDC read-only administrators and custom roles

The VDC administrator has the highest authority for operation management

In the

VDC tenant model, project resources are isolated from each other. One VDC can contain multiple projects, and one project

You can also own multiple VDCs

For multinational or trans-provincial companies, subsidiaries or provincial companies can be divided into first-level VDCs, and special-level VDCs.

Divisions into secondary VDCs

TRUE

FALSE

graphics workstation management

GPU hardware virtualization

GPU pass-through

Device redirection

Disaster recovery can achieve RPO=0

Backups are generally performed periodically

Disaster recovery can replace the role of backup

RTO=0 during backup and recovery

The public image is a common standard operating system image, visible to all users, and the public image includes operations

The system and pre-installed public applications need to self-configure the application environment or related software according to the actual situation of the user.

piece B.

Support customers to complete the custom management of images through the console or API

Users can accept private images shared by other users, but cannot use them as their own images

According to the creation method, private images are divided into the following two types: those created through the elastic cloud server and those created through external images. like file creation

The complete replication of desktops is based on virtual machine-level isolation, with high security

When creating a complete copy of a virtual desktop, the system will assign an independent system disk to the virtual desktop

space, and copy the virtual machine template completely to the system disk

The complete replication virtual desktop has a separate system disk and user data disk

Use virtualization technology and remote desktop delivery technology to fully replicate desktops, and use virtual

Virtualization technology to virtualize servers and storage into elastic virtual hosts

The user does not configure the NTP clock source, the user can check whether the

If there is any related alarm, follow the alarm handling help to configure the NTP clock source and clear the alarm

This phenomenon is caused by the inconsistency between the time of the NTP clock source and the local PC. The user can modify the time of the local PC.

time, consistent with the NTP clock source

When the key is updated, the business process on the node will be restarted, which will cause abnormal monitoring of the virtual machine.

The phenomenon is caused by the abnormal monitoring process. The user can use "PuTTY" to log in to the main machine as the gandalf user

VRM, restart monitoring process

Testing can verify the integrity of disaster recovery data

The test has no effect on the production virtual machine

The test process needs to switch DNS repeatedly

The disaster recovery virtual machine will be activated and connected to the test network

TRUE

FALSE

There are two types of port groups: common and relay.

A port group can be configured with multiple IP addresses.

A port group is a distributed virtual switch.

All virtual ports in the port group have the same attributes.

port group

uplink

virtual network card

storage interface

HDAis installed when making the template

HDAis a series of desktop connection service brokers

Every desktop virtual machine does not have to be installedHDA

andHDAThe interactive protocol isHDPProtocol

True

False

True

False

FusionsphereServer point simulation solution

FusionaccessCloud Desktop Solutions

FusionspherePrivate Cloud Multi-Data Center Solution

FusionspherePrivate Cloud Document Center Solution

True

False

True

False

A cloud resource pool foot is aFusionSphere OpenStackAll resources contained in the system

not connectedKeystoneBefore,ManageOne ServiceCenterunable to makeFusionSphere OpenStackResources

ManageOne ServiceCentenhCan manage multiple cloud resource pools

A cloud resource pool can be connected to multipleManageOne ServiceCenter

True

False

No performance aging problem, all system disk data is always in memory

Using efficient space management algorithm to solve the problem of small block data storage, greatly reducing the consumption of memory space management

Support for advanced features such as snapshots and live migration

Use memory as memory medium to improve user experience

Issue recovery tasks to production storage

Issue a recovery task to the backup agent

TowardsVRMorvcenterIssue a recovery task

Distribute recovery tasks to backup storage

Update ToolsasFusionsphereperformance monitoring and analysis system, regularFusionsphereCloud computing infrastructure is not

implemented to collect data and build models for analysis

Vnc viewerMade by HuaweiWindowsFree installation under the systemVNClogin tool

passCLIInformation such as system running time, restart records and command operation records can be collected

Fusion CareHealth check and information collection function answers can be provided

vCPUUtilization

vCPUreservation rate

remaining memory resources

vCPUremaining resources

True

False

True

False

ITAService exception

username or password is incorrect

Incompatible browser version

WIService exception

There is a firewall in the network, and the firewall is not allowed to pass throughvAGservice port.

ITAconfigure onvAGofIPwrong address.

vAGconfigure onHDCwrong port.

vAGAfter the component was installed, the service did not start.