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

True

False

not addedDVSHost's Uplink

DVSno onVLANpool

DVSno port group on

Physical switch failure

TRUE

FALSE

True

False

correct

mistake

The added user must be the same as the "User Login Name" set when creating the virtual machine user

The added user can be a user that does not exist in the domain controller

When adding multiple users, separate the accounts with commas

When setting the permission group of the newly added user, only "Users"andAdministrators”Optional

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.

The virtual machine is created on a local disk

The virtual machine is bound to a graphics processor

The remaining resources in the cluster are insufficient to start the virtual machine

This virtual machine has a user logged in

Lease higher bandwidth for initial data synchronization

WillBCManager eReplicationThe host-based remote replication disaster recovery scheme is changed to storage remote replication disaster recovery

Add links and configure load balancing between the active and standby sites

WillBCManaaer eReolicationBased on the storage remote replication disaster recovery scheme, the

Full memory virtual machine supports shutdown and restore

Deployed full-memory virtual machine template, allowing reconversion to virtual machine

Snapshots are not supported for full-memory virtual machines

Full memory virtual machines do not support live migration

True

False

CinderProvides persistent object storage for running instances

CeilometerMonitor and meterOpenStackCloud resources for billing baseline management, scaling and statistics

GlanceProvides query, upload and download services for virtual machine images

MongodbforceilometerThe service provides database

TRUE

FALSE

File metadata corruption

Super block corruption

The access control module is damaged

The auxiliary distribution module is damaged

DMK

vRouter

FusionSphere OpenStack

L3 NAT

TRUE

FALSE

Through routine monitoring, find the running status, login status, allocation status, and performance consumption of the current user's virtual machine. Abnormal registration situation

By routinely monitoring the status of the gateway, monitor the CPU, memory and traffic of the gateway and its users within a period of time

Whether the number of used resources matches

The risk of slow operation of the operating system can be ignored, and it is recommended that the user's virtual machine be kept powered on all the time

In order to ensure that backup data is available when the system is abnormal, it is necessary to regularly check the availability of backup functions and data

Is it possible to rotate

Desktop group name

Desktop group type

the operator

Snapshots are converted to templates

Template clone as template

The virtual machine is converted into a template

virtual machine cloneway template

Full backup, Incremental backup

Differential backup, full backup C. Incremental backup, full backup

Incremental backup, differential backup

full backup, differential backup

RTO is infinitely close to 0. Even if synchronous replication is used, the business still needs some time,

The smaller the RTO value, the less data is lost

The smaller the RPO value, the smaller the service interruption time.

In theory, RPO can be equal to 0. When disaster recovery or backup uses synchronous replication, the same

Step data, RPO can be achieved equal to 0.

FusionNetDoctor supports ping packet detection between the tenant's virtual machine and the external network.

FusionNetDoctor supports traffic measurement between two virtual machines of the tenant in the east-west direction.

FusionNetDoctor supports VLAN network.

FusionNetDoctor does not support intermittent network conditions.

The device is bound to the user

Access time control

TC is bound to the computer

Access site control

Compared with the complete copy template, using the fast encapsulation template to issue virtual machines is faster and more efficient

There is no essential difference between full reproduction and rapid distribution

using sysprep package

Rename and add domain by the application in the virtual machine

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.

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

Only one subnet can be created under each VPC.

Each user can apply for multiple VPCs.

By default, ECSs in different VPCs cannot communicate with each other.

TRUE

FALSE

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

VDl is a complete technological innovation, and the fixed office adopts the structure of thin terminal + cloud virtual desktop

VDI can be extended to any terminal, and there is no local data, which solves the problem of high management and maintenance costs of traditional solutions, and high efficiency. Low rate, insecurity, etc.

The IDV scheme introduces local virtual desktops, which reduces the complexity of the terminal and makes management and maintenance more difficult and less expensive.

Compared with traditional PC or VDI, it is greatly improved

Compared with traditional PC+ management software, IDV has only made small improvements, generally including mirror server+

Management software + local virtual desktop terminal

Virtual machines belonging to different port groups cannot communicate with each other.

Multiple CNA hosts can share the same port group.

The same network card of the virtual machine can have different port groups.

The data sent from the virtual machine will be tagged with VLAN after passing through the port group.

Turn on the switch of shutdown and restore

Configure a separate data disk for the VM

Use shared file storage to save personalized data

Use AD's data roaming feature to save personalized data

Periodic reports, the administrator generates corresponding periodic report data by defining periodic tasks, and supports

Notify those who need attention by email to assist in business analysis and evaluation

Customized reports, administrators can arbitrarily combine multiple dimensions and measures to achieve self-service simply and quickly

analysis and calculation to obtain effective business data information

Intelligent report, the administrator can set the monitoring threshold, when the resource pool capacity is higher than the threshold, the report will be automatically generated

Tables to aid in business decision making

Preset reports, including multi-dimensional analysis reports and detailed reports

TRUE

FALSE

Virtual machine A can use at least 1.00 GHz of CPU resources

Virtual machine A can use at least 2.00 GHz of CPU resources

Other virtual machines can use up to 3.00 GHz of CPU resources

Other virtual machines can use up to 1.00 GHz of CPU resources

When using snapshot comparison technology for incremental backup, it is necessary to retain snapshot data on the production side

Use CBT technology for incremental backup, which saves storage space compared to snapshot comparison.

CBT technology will not be used during the first full backup

When using CBT technology for incremental backup, snapshot technology will not be involved

The copy task in the recovery process can be completed by the remote copy software WinSCP

It can be verified whether the ITA service is restored by checking whether the ITA alarm is eliminated and whether the desktop can be issued normally.

no success

There is no need to uninstall and then reinstall the ITA during the recovery process

After the ITA data is restored, the data from the backup time to the restore time will be lost

In the scenario where multiple sets of FusionAccess are connected to one set of AD / DNS / DHCP, only one set is required Configuration Backup on FusionAccess

If the user side is a newly created Windows AD / DNS / DHCP server, backup AD / DNS / DHCP , there is no need to install a monitoring agent on the corresponding server

When Backup Server backs up the CNA node where the server is located, use Backup Server to back up. The data backed up by the server may be lost

The backup server mainly backs up FusionAccess related system data, user data and certificates, etc.

The production virtual machine will be stopped and the volume will be unmounted

The DNS record of the business virtual machine will be switched

The DNS records of ManageOne will be switched

The data of the production center will be synchronized to the disaster recovery center

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.

Ordinary Delayed Zero Roll

normal roll

thin volume

differential volume

Nova

Keystone

Cinder

Neutron

Mutually exclusive virtual machine

ban virtual machines

Aggregate virtual machines

virtual machine to host

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.

in dockingFusionComputein the scene,HA,DRS, thermal migration and other advanced features areVRMto fulfill

The creation methods of virtual machine cloud disks are different in two scenarios

nova-computepasslibvirtinterface to completeKVMCreation of virtual machines

in dockingFusionComputeIn the scene, thenova- schedulerto schedule to decide which one to chooseCANHost

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

True

False

10Hour

10minute

10second

0second

bearFC-SANofFCnetwork

bearer in the production networkIPnetwork

bearIP-SANofIPnetwork

bearFusionStorageofIBInternet

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

virtual machineIPConfiguration error

Physical router failure

Virtual machine firewall configuration error

DVSworking abnormally

controller

sys-server

zookeeper

keystone

add one for the first timeLUNFormat is not selected when storing for virtualized data

The host cannot access the storage

Host management network exception

The datastore mount directory is occupied

True

False

Virtualized data storage can improve storage resource utilization and system security and reliability

Non-virtualized data storage creates disk data faster and performs better than virtualized storage

Storage mounted by raw device mapping can only be created on disks of the same capacity as data storage, and does not support advanced functions of

virtualized storage

Raw device mapping is theSANphysical storageLUN, passUVPDistributed to multiple virtual machines and supports all operating systems

nova-scheduler

nova-conductor

nova-api

nova-compute

object storage

IP SANstorage

FC SANstorage

NASstorage

1:1

1:N

N:1

M:N

Libvirt,Nova-Compute

Nova-scheduler,Nova-Compute

Nova-compute,Nova-Conductor

Nova-Conductor,libvirt

fusionCompute

fusionStorage Manage

VSAM

VPC

buttFusionStorageThe smallest granularity is the storage pool, each volume corresponds to a cloud disk

cinder-volumerole andIP SANcontroller viaiSCSIprotocol to interact

cinder-volumeRoles are deployed on compute nodes

buttOceanStor V3The smallest granularity of storage is the storage pool

GPUdesktop

Linked-clone desktop

full memory desktop

full copy desktop

Truel

False

When the virtual machine template is a full copy template, the configuration mode must be normal delay zero

When the virtual machine template is a full copy template, the configuration mode is recommended to be normal delay zero.

When the virtual machine template is a linked clone template, the configuration mode is recommended to be thin

When the virtual machine template is a linked-clone template, the configuration mode must be condensed Correct

Desktop distribution failure

Login connection failure

Peripheral use failure

performance experience failure

Add hosts in bulk

Bulk associated storage resources

Migrate virtual machines in bulk

Bind network ports in batches

HDAis a series of desktop connection service brokers

andHDAThe interactive protocol isHDPprotocol

HDAis installed when making the template

It is not necessary to install every desktop virtual machineHDA

correct

mistake

The disk is not configuredRAID

The disk joinsRAID1,but not formatted

The disk isRAID1hot spare

The disk joinsRAID10,and in refactored state

virtual machineAand virtual machineBare configured correctlyIPaddress

virtual machineAand virtual machineBrun on the same physical machine

virtual machineAand virtual machineBThe same network segment is useD.

virtual machineAand virtual machineBDifferent network segments are used.

The management link is unstable

Storage link is unstable

The service link is unstable

virtual machine corruption

VLB

HDC

ITA

WI

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.

Create the corresponding port group for the service network

Requires separate datastore creation for infrastructure VMs

the same setFusionAccessprimary and secondary ITA the virtual machine is set as a mutually exclusive virtual machine

Infrastructure VMs compete on a level playing field with user desktop VMs.

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.

already atFusionComputeinterface usageVNCLog in to the cloud host

Browser version is too low

The browser's document mode is not set wrong

JavaIncorrect security level setting

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

The virtual machine is cloned as a template: the virtual machine can still be used normally after the clone is completed

Convert a virtual machine to a template: After conversion, the virtual machine can still be used normally.

The template is cloned into a template. After the cloning is completed, the original template still exists.

Import the template and adjust some parameter settings to make it slightly different from the local virtual machine template

Capacity Statistics Report

Capacity warning

capacity analysis

Capacity monitoring

True

False

GaussDB

ITA

HDC

WI

TRUE

FLASE

linked clone

full copy

Fast packaging

high performance desktop

Only when the virtual machine network card is in "SRIoV", "PF" or "PCI" pass-through mode can the hot migration function be supported.

During virtual machine live migration, if the migrated virtual machine has a large business volume or a large memory usage, it will lead to the hot migration time is longer, and it is recommended to perform hot migration when the business volume is small

When the load of most hosts is too light, the virtual machines can be integrated by live migration to reduce the number of hosts. Improve resource utilization and achieve energy saving and emission reduction

By default, the system interface will prompt a timeout when the hot migration time exceeds 12 hours, but the internal heat. The migration task timeout period is 24 hours, and the live migration will not be terminated until the system times out.

2431

2341

2134

2143

It is necessary to obtain consent before inspection and operate it when the business volume is low

During the inspection process, refer to the standard to complete the network inspection and output the inspection report

It is recommended to log in to each device to collect device alarm information

Customers who have completed inspections and submitted reports, and put forward improvement suggestions to customers

Support 64 virtual channels, each virtual channel can carry different upper-layer application protocols

Rich protocol management strategies

Different compression algorithms can be used according to different application types, flexible use of server rendering and local Fast rendering

Support lossless compression algorithm

Affinity means that virtual machines in the same virtual group must coexist on the same host

Weak affinity refers to the fact that the host used for virtual machine scheduling in the group has sufficient resources, and the affinity

strategy remains consistent

Weak anti-affinity refers to the fact that the host used for virtual machine scheduling in the group has sufficient resources to interact with the anti-affinity

Be consistent with sexual strategy

Anti-affinity means that virtual machines in the same virtual group cannot coexist on the same host

When the source terminal is a Windows virtual machine and port 445 is not opened, the migration task can also be completed by manually installing WinSrcAgent.

While migrating the virtual machine, you can upgrade the version of Centos, for example, upgrade Centos 6.5 to Centos7.0.

The source virtual machine IP address can use IPv4 or IPV6.

The firmware type of the source virtual machine is UEFI. When registering the corresponding image, you need to check the UEFI option.

TRUE

FALSE

In the server-free networking topology, the backup data flow and the service data flow are the same network

For existing business; the biggest impact is the server-free networking topology

In the LAN-Base networking topology, the backup data flow and the service data flow are not the same network

In the LAN-Free networking topology, the backup data flow and the service data flow are not the same network

Convert virtual machine to template

B template clone into template

Snapshots are converted into templates

Virtual Machine Clone Template

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

Under normal circumstances, the system runs in multi-user mode. When maintenance operations on the system are required, the login mode can be changed.

Set to single-user mode to prevent the operation of other users from affecting system maintenance

After switching to single-user mode, only the admin user is allowed to log in to the system through one terminal, and all other online users

will be forced out of the system

Set the system login mode to "multi-user mode: after the system switches to multi-user mode after 5 minutes

D, switch the system login mode to single-user mode, after switching all other online users will be forced to log out

TRUE

FLASE

Rainbow Server must be deployed.

Rainbow Migrator Linux must be deployed.

According to the source virtual machine to be migrated, decide whether to deploy RainbowMigrator.

Rainbow Migrator Windows must be deployed.

The memory is recommended to be greater than or equal to the source specification.

Configure at least one network card and use the system to assign an IP address, which cannot be modified manually.

The CPU is recommended to be greater than or equal to the source specification.

The destination virtual machine system disk needs to be configured in MBR format.

True

False

TRUE

FALSE

Storage Migration

Linked clones

Virtual Machine Snapshot

Storage Thin Provisioning

0G800M

2000M

10.5G

10G500M

OBS

NFS

Swift

Glance

When the memory hot add strategy is enabled, reduce the memory value and need to modify it offline

When the memory hot add policy is not enabled, the virtual machine increases the memory value and needs to be restarted to take effect

When the memory hot add policy is not enabled, it needs to be modified offline when adjusting the memory QoS

When the memory hot add policy is enabled, increase the memory value and take effect online

RAID5 4D+1P

RAID6 4D+2P

RAID10

RAID5 8D+1P

Disconnect the desktop first, and re-login to the desktop through WI

Contact the administrator to shut down and restart the CNA host where the virtual machine is located

Uninstall the incompatible input method and reinstall the compatible input method

Check whether the firewall is closed