The IMC policy supports hot migration of CPUs of different models from different vendors

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The IMC policy supports hot migration of CPUs of different models from different vendors

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24. Which of the following are features of FusionSphere?A. On-demand resource allocationB. Compatible with various software and hardwareC. Various O&M managementD. Automatic scheduling

Among the following options, the correct description of the characteristics of cloud computing on-demand self-service is

A.

The cloud computing service provider only needs to prepare all the services, and the remaining work is completely done by the user.

B.

In the process of using cloud computing, users need to solve all problems by themselves

C.

After the user has determined the cloud computing service he needs, he can complete the application for cloud computing resources alone.

D.

Users do not need to explain to service providers when using cloud computing resources.

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Answer:

C

Cloud computing is the product of the development of the Internet and computing technology, so cloud computing must be inseparable from the network.

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Answer:

A

Which of the following scenarios is not applicable to snapshots? B

A Business Destructive Test

B Long-term preservation of business data

C Business Patch Upgrade

D Major business changes

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Answer:

The following are the main driving forces for the emergence and development of virtualization technologies:

A.

The emergence of the Internet

B.

Reduce the failure rate of hardware resources

C, make full use of hardware resources

C.

Improve the recognition of hardware resources

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Answer:

C

Where did the user apply for a cloud hard drive on the Huawei public cloud? The service model belongs to

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Answer:

A

In Huawei FusionCompute, the following incorrect description of virtual machine snapshot recovery is .

A.

Use the existing snapshot of the virtual machine to restore the data of the virtual machine to the state at the moment of the snapshot creation

B.

If a virtual machine deletes the port group where the virtual machine NIC is located after the snapshot is created, the deleted port group will also be restored when the virtual machine is restored using the snapshot

C.

If a disk mode of the virtual machine is "independent-persistent" or "independent-non-persistent", the data on the disk is not restored when the virtual machine is restored using a snapshot

D.

Virtual machines can have multiple snapshots

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Answer:

B

The necessary conditions for a virtual machine to communicate with other virtual machines are (multiple choice)

A.

Configure a fixed IP address for the virtual machine

B.

Configure the correct IP address for the virtual machine

C.

Configure the correct MAC address for the virtual machine

D.

Configure the gateway address for the virtual machine

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Answer:

B, C

Which of the following requirements can be fulfilled by Huawei FusionCompute DRS

A.

Windows virtual machine automatically restarts after a blue screen

B.

A host in the cluster is unavailable. The virtual machines running on this host are automatically migrated to the odd host.

C.

Require a virtual machine to run on a specific host

D.

When the virtual machine configuration does not meet business needs, the management system automatically increases CPU resources for the virtual machine

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Answer:

C

In Huawei FusionCompute, the administrator can view the DVS port to which the virtual machine is connected.

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Answer:

B

NUMA is a memory architecture designed for multiprocessor computers. Memory access time depends on

Processor location, under NUMA, the processor accesses its own local memory faster than non-local memory (the memory is located in

Another processor, or shared memory between processors) is faster.

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Answer:

A

In cloud computing, different types of hardware of the same type can form a resource pool. A.TRUE

B. FALSE

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Answer:

The following incorrect description of hot and cold migration is () .

A.

Hot migration is the migration of virtual machines running from one host to another king machine, business will not occur during the migration process Break.

B.

In the performance test-reliability test, there are tests for virtual machine migration, including hot migration, cold migration, migration duration,

Duration of business interruption.

C.

Cold migration is to migrate a virtual machine in a stopped state from one host to another host, and business will be interrupted during the migration process.

D.

both hot and cold migrations will migrate memory and disk data

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Answer:

D

The following description of the characteristics of cloud computing resource pooling is correct

A.

Cloud computing resource pooling is a prerequisite for achieving extensive network access

B.

Cloud computing resource pooling feature can put CPU and hard disk in the same resource pool

C.

Cloud computing resource pooling characteristics can shield the differences between similar resources

D.

Cloud computing resource pooling features must rely on virtualization technology to achieve

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Answer:

C

When installing Huawei FusionCompute, which storage is recommended for VRM deployment?

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Answer:

D

The following scenarios that are not suitable for increasing the memory reuse ratio are

A.

Memory reuse in commercial scenarios has reached 150%

B.

Reduce customer hardware procurement costs

C.

While ensuring performance, customers require a single host to deploy the maximum number of virtual machines

D.

Virtual machine memory utilization is low

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Answer:

A

Which device in the physical network is capable of routing and forwarding?

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Answer:

C

Huawei FusionCompute supports adding hosts in batches. The administrator fills in host information according to the template provided by the system and imports it at one time.

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Answer:

A

After KVM uses Virtio, the description of the I / 0 forwarding process is correct [multiple choices]

A.

I / 0 requests are sent directly from the front-end driver to the back-end driver

B.

I / 0 requests are no longer forwarded via QUEM

C.

I / 0 requests will be more efficiently forwarded

D.

I / 0 requests need to be forwarded by the KVM module

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Answer:

A, C

SSD disks are mechanical hard disks, which have the advantages of fast read and write speeds, low power consumption, and light weight, but they have a limited life span

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Answer:

B

Some virtualization technologies are open source, and some are closed source. The same is true for cloud computing management platforms. Open source cloud computing management platforms need to be implemented using open source virtualization technology.

A TRUE

B FALSE

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Answer:

If two virtual machines can ping each other, the network device that will be used in the communication process is

A.

Distributed Virtual Machine Switch

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Answer:

D

The following are not part of snapshot management .

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Answer:

A

In FusionCompute, the following description about deleting a security group is incorrect .

A.

Authorization between the security group to be deleted and other security groups does not affect the deletion

B.

There are no virtual machines in the security group. If there are virtual machines in the security group, you need to remove the virtual machines from the security group.

C.

After the security group is deleted, all the security group rules in the group are deleted at the same time

D.

When you delete a security group to which a virtual machine belongs, the other security groups have no effect on the virtual machine.

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Answer:

C

In cloud computing, the network can be divided into two parts: virtual network and physical network.

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Answer:

A

When you use a template to quickly deploy a virtual machine, you do not need to install the operating system or configure it, so you save a lot of time and effort.

A True

B False

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Answer:

In Huawei FusionCompute, users log in to a virtual machine using VNC and find that they cannot operate normally and are stuck (such as being unable to open files). The most likely cause of this failure is.

A.

Virtual machine is corrupted

B.

Service links are unstable

C.

Management link is unstable

D.

The storage link is unstable

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Answer:

C

Which of the following technologies or equipment cannot isolate broadcasts

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Answer:

C

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

C.

Storage thin provisioning

D.

Storage live migration

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Answer:

A, C

What is right about VNC is (multiple choice)

A VNC needs to support Linux operating system

B The controlled computer needs to install the corresponding software to become a VNC server

C VNC is a lightweight remote control software

D The host that initiates the control request needs to install the corresponding software to become a VNC server

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Answer:

In Huawei FusionCompute, what is incorrect about the IMC function description is

It is recommended to enable the IMC function when the CPU models of the CNA hosts in the cluster are inconsistent.

B Enabling IMC cannot ensure that the virtual machine is successfully migrated between hosts with different CPU models.

C IMC only supports migration from lower version CPU feature set to higher version

It is recommended to enable the IMC function when the main frequency of the CNA hosts in the cluster is inconsistent.

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Answer:

In the OpenStack solution, which module does the load provide for persistent block storage?

A Swift // Object Storage

B Glance /// Quick storage

C Nova // Compute node life cycle

D Cinder

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Answer:

The following incorrect way to create a virtual machine template is.

A.

Template clone to template

B.

Virtual machine clone as a template

C.

Virtual machine to template

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Answer:

D

In Huawei FusionCompute, DPM must rely on DRS before it can be used.

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Answer:

A

When using a template to quickly deploy a virtual machine, the generated virtual machine configuration information is consistent with the template

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Answer:

A