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The cascading replication disaster recovery solution establishes a cascading replication relationship for the storage devices used by the business to achieve intra-city disaster recovery + remote disaster recovery, with little impact on the performance of the production center.

A.
True
A.
True
Answers
B.
False
B.
False
Answers
Suggested answer: A

In the Huawei data protection plan, the failure types are divided into multiple selection logic errors, equipment failures, data center failures, and zone failures.

Territorial disaster. Among them, the ones with the highest "annual frequency" and "single loss" are:

(multiple choice)

A.
Logic error
A.
Logic error
Answers
B.
Equipment failure
B.
Equipment failure
Answers
C.
Data center failure
C.
Data center failure
Answers
D.
Regional disaster
D.
Regional disaster
Answers
Suggested answer: A, D

In Huawei's local high-availability solution, if the HyperMirror feature is adopted, which feature must also be used to correct the difference?

The structure stores the entire column to create a mirror.

A.
HyperMitror
A.
HyperMitror
Answers
B.
Smartvirtnalization
B.
Smartvirtnalization
Answers
C.
HyperClone
C.
HyperClone
Answers
D.
HirperReplication
D.
HirperReplication
Answers
Suggested answer: B

In the data replication technology used for disaster recovery, the data replication technology at the host layer is compatible with servers and storage devices.

A.
True
A.
True
Answers
B.
False
B.
False
Answers
Suggested answer: A

The following features of HUAWEI cloud storage include: (multiple choice)

A.
Deployment is relatively simple for end customers
A.
Deployment is relatively simple for end customers
Answers
B.
End customer investment is small
B.
End customer investment is small
Answers
C.
The network cost of backing up to cloud storage is low
C.
The network cost of backing up to cloud storage is low
Answers
D.
Easy to expand
D.
Easy to expand
Answers
Suggested answer: A, B, D

The recommended scenarios for installing iDA in a virtual machine are: (multiple choice)

A.
The storage is directly connected to the virtual machine
A.
The storage is directly connected to the virtual machine
Answers
B.
The storage is directly connected to the ESXi host
B.
The storage is directly connected to the ESXi host
Answers
C.
The virtual machine contains a large database
C.
The virtual machine contains a large database
Answers
D.
There are a lot of files in the virtual machine
D.
There are a lot of files in the virtual machine
Answers
Suggested answer: A, C, D

In the HyperMletro dual-active data center solution, the following statement about the static priority of the arbitration and split-brain prevention mode is incorrect.

Which one is it?

A.
When the priority site array fails, the non-priority site automatically takes over the active-active service.
A.
When the priority site array fails, the non-priority site automatically takes over the active-active service.
Answers
B.
When the priority site array is actively powered off for maintenance, the non-priority site array immediately takes over all active-active services and the services will not be interrupted.
B.
When the priority site array is actively powered off for maintenance, the non-priority site array immediately takes over all active-active services and the services will not be interrupted.
Answers
C.
When an inter-array link failure occurs, the LUNs on the priority site continue to provide services, and the LUNs on the non-priority site stop providing services.
C.
When an inter-array link failure occurs, the LUNs on the priority site continue to provide services, and the LUNs on the non-priority site stop providing services.
Answers
D.
When a non-priority site fails, the LUN on the priority site continues to provide services, and the LUN on the non-priority site stops providing services.
D.
When a non-priority site fails, the LUN on the priority site continues to provide services, and the LUN on the non-priority site stops providing services.
Answers
Suggested answer: A

VADP backup mode does not include: single selection

A.
SAN
A.
SAN
Answers
B.
NAS
B.
NAS
Answers
C.
NBD.
C.
NBD.
Answers
D.
Hot-Add
D.
Hot-Add
Answers
Suggested answer: B

What is the main difference between using synchronous remote replication and asynchronous remote replication in the Huawei disaster recovery solution?

A.
RTO
A.
RTO
Answers
B.
RPO
B.
RPO
Answers
C.
Availability of disaster recovery data
C.
Availability of disaster recovery data
Answers
D.
Copy link
D.
Copy link
Answers
Suggested answer: B

Regarding deduplication on the target side, which option is incorrect in the following description?

A.
The data block is transferred from the source end to the target end, and the deduplication operation is performed on the target end.
A.
The data block is transferred from the source end to the target end, and the deduplication operation is performed on the target end.
Answers
B.
Do not occupy the resources of the source.
B.
Do not occupy the resources of the source.
Answers
C.
Target end deduplication is equivalent to post-processing deduplication (Post-processig).
C.
Target end deduplication is equivalent to post-processing deduplication (Post-processig).
Answers
D.
Can not save transmission bandwidth.
D.
Can not save transmission bandwidth.
Answers
Suggested answer: C
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