QUESTION: 89

Huawei Oceanstor 900 adopts erasure code technology to protect the data. If an office has six nodes, and the customer wants to have one office, what redundancy model protection level can be used? (Multiple choice)

4 + 3: 1
6 + 3
4 + 2
12 + 3: 1

Answer(s): A,D

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QUESTION: 90

Which command will modify vg01 into vg - app without affecting the HPUX 11.31 system volume group?

can not sit down
vgchange
vgexport mkdir mknod vgimport
vgremove mkdir mknod vgcreate

Answer(s): C

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QUESTION: 91

When the database is protected and the virtual snapshots are used from the end to verify LUN data consistency on the production end and the disaster recovery end. However, the disaster recovery end of the LUNd database cannot be started normally. What is the possible reason? (Multiple choice)

After a snapshot of the LUN of the redundancy site is created, the snapshot is not activated at the same time.
Disaster recovery storage side of the database resides in the cache has not been written to the hard disk.
When creating a snapshot on the disaster recovery end LUN, the production end is copying data to the disaster recovery end.
The production end and disaster recovery end adopt the disaster recovery solution of incremental LUN copy. The incremental data is abnormally interrupted during the synchronization process and has not been repaired.

Answer(s): A,B,D

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QUESTION: 92

RAID2.0 has the natural advantage of supporting a smart tier, to accelerate the performance of hot data. Which of the following descriptions about the smart tier performance is correct?

When smart LUNs act as backup media, smart tier's performance improvement on this LUN is not obvious.
During the running of the business, the extent size can be adjusted by the size of the hotspot area to obtain better performance.
Literacy ratio in the 1:9 scenario, enabling the smart tier has greatly improved the performance of the business.
Smart tier has no effect on host performance during hot data migration.

Answer(s): A

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QUESTION: 89

QUESTION: 90

QUESTION: 91

QUESTION: 92