Which of the following descriptions of Huawei's OceanStor backup solution is wrong?

• A.Compared with disaster recovery, the recovery granularity of backup is finer, files can be used as the recovery level, and multiple recovery versions can be made.
• B.The backup software can back up data to tape for offline archiving.
• C.If the format of the source data and the backup data are the same, the backup data can be directly read and written by the host.

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Which of the following statements is true: (Multiple Choice)

• A.HyperMirror can only be applied to LUNS on Huawei Storage Systems.
• B.A host can read data from either mirror copy.
• C.HyperMirror is incompatible with other Value Added Features.
• D.HyperMirror supports physical copies,
• E.HyperMirror automatically creates a mirror copy.

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Huawei SmartVirtualization feature supports offline takeover and online takeover. Which of the following statements about these two methods are correct? (Multiple choice)

• A.When offline takeover, the disguise attribute of eDevLUN is "not disguised"
• B.Online takeover includes configuration of basic camouflage takeover, configuration of extended camouflage takeover, and configuration of third-party takeover
• C.When online takeover uses other vendor's multipath software, the camouflage attribute of eDevLUN is "basic camouflage takeover"
• D.When offline takeover, application server business needs to be suspended

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The inforeplicator feature of Oceanstor 9000 (C30) product supports synchronous and asynchronous remote replication at the same time.

• A.False
• B.True

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Which of the following descriptions about InfoRevive is correct?

• A.After opening the read-write fault-tolerant mode, when a failure in the system exceeds the configured redundancy upper limit, a certain percentage of damaged video file data can be rescued and read, and the file can continue to be written.
• B.The InfoRevive feature provided by OceanStor9000 supports the continuous operation of video surveillance services when the faulty node/disk exceeds the upper limit of redundancy.
• C.The InfoRevive feature can be applied to other media industries such as TV stations in addition to video surveillance scenarios.
• D.After the read fault-tolerant mode is turned on, when a fault occurs in the system and exceeds the configured redundancy upper limit, it can rescue and read all the damaged video file data.

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