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Which of the following storage nodes will configure an SSD as a multi-select read cachen by default (multi-select)

A.
P12
A.
P12
Answers
B.
P25
B.
P25
Answers
C.
C36
C.
C36
Answers
D.
CT72
D.
CT72
Answers
Suggested answer: A, B

The object storage services provided by OceanStor9000 (compatible with single-select Amazon S3 and OpenStack Swift) are all A unified RESTful API is provided externally, and the client can access storage nodes through STfulAPI to realize data storage.

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

In global deduplication, multiple deduplication copies of different storage strategies use the same deduplication pool as the backup target, which of the following Items need to be the same? (multiple choice)

A.
DDB
A.
DDB
Answers
B.
Disk Library
B.
Disk Library
Answers
C.
Duplicate attributes
C.
Duplicate attributes
Answers
D.
Retention period
D.
Retention period
Answers
Suggested answer: A, B, C

In the OceanStor V3 storage system, when the data status of the slave LUN is in which state, remote replication supports users to perform Master-slave switching operation? (multiple choice)

A.
Consistent
A.
Consistent
Answers
B.
Synchronized
B.
Synchronized
Answers
C.
Initial synchronization
C.
Initial synchronization
Answers
D.
Synchronization
D.
Synchronization
Answers
Suggested answer: A, B

In the Huawei disaster recovery solution, which of the following distances can be selected as a single option Synchronous remote replication technology?

A.
=1000km
A.
=1000km
Answers
B.
=900km
B.
=900km
Answers
C.
=600km
C.
=600km
Answers
D.
=100km
D.
=100km
Answers
Suggested answer: D

The following is an incorrect description of the principle of data deduplication technology, which is the single choice?

A.
For the data that needs to be stored, perform a hash comparison with the data block as the unit.
A.
For the data that needs to be stored, perform a hash comparison with the data block as the unit.
Answers
B.
The stored data block is no longer stored, and no processing is required, for example, no additional index is required.
B.
The stored data block is no longer stored, and no processing is required, for example, no additional index is required.
Answers
C.
The same data block is physically stored only once.
C.
The same data block is physically stored only once.
Answers
D.
Through the index, you can see the complete logical view of the data.
D.
Through the index, you can see the complete logical view of the data.
Answers
Suggested answer: B

When configuring the Simpana backup software, the configurable single-selection deduplication strategy does not include:

A.
Source deduplication
A.
Source deduplication
Answers
B.
Client deduplication
B.
Client deduplication
Answers
C.
Global deduplication
C.
Global deduplication
Answers
D.
Parallel deduplication
D.
Parallel deduplication
Answers
Suggested answer: A

Colleagues customize active-active disaster recovery solutions for customers. The customer already has a third-party storage system and plans to purchase a new OceanStor In 5300 V3, the two sets of equipment are placed in two data centers to implement active-active disaster recovery. The solution:

A.
Feasible, the storage device meets the requirements of the self-sufficient active-active disaster recovery solution.
A.
Feasible, the storage device meets the requirements of the self-sufficient active-active disaster recovery solution.
Answers
B.
Not feasible. The active-active disaster recovery solution requires at least two sets of OceanStor V3 storage.
B.
Not feasible. The active-active disaster recovery solution requires at least two sets of OceanStor V3 storage.
Answers
C.
Not feasible. The active-active disaster recovery solution only supports Huawei storage and does not support third-party storage.
C.
Not feasible. The active-active disaster recovery solution only supports Huawei storage and does not support third-party storage.
Answers
Suggested answer: B

The data capacity of site A is 2000GB. The data capacity of site B is 3000GB. The data of site B is remotely replicated.

If it is saved to site A, the back-end storage capacity required by site A is (the re-deletion ratio is 3):

A.
2000GB.
A.
2000GB.
Answers
B.
3000GB.
B.
3000GB.
Answers
C.
900GB.
C.
900GB.
Answers
D.
5000GB.
D.
5000GB.
Answers
Suggested answer: B

The customer needs RTO=0 and RPO=0 for the application business, which disaster recovery scheme should be used?

A.
Active and standby
A.
Active and standby
Answers
B.
Double live
B.
Double live
Answers
C.
3DC
C.
3DC
Answers
D.
Cloud disaster tolerance
D.
Cloud disaster tolerance
Answers
Suggested answer: B
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