Which of the following statements about media deduplication is false?

• A.Data blocks are transmitted from the source end to the target end and then deduplicated at the target end.
• B.Media deduplication does not save the transmission bandwidth.
• C.Media deduplication does not consume resources at the source end.
• D.Media deduplication is equivalent to post-processing deduplication.

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Huawei OceanStor 9000 uses the DFS to consolidate disk resources of all nodes, providing a unified namespace.

• A.FALSE
• B.TRUE

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The number of disks in a storage pool can be changed in a later stage.

• A.TRUE
• B.FALSE

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The description about the synchronous remote replication of the OceanStor V3 storage array, which is wrong?

• A.The master array writes the write I/O data to the master LUN and sends it to the slave LUN.
• B.Synchronous remote replication can support one master LUN to replicate to two slave LUN at the same time.
• C.The impact of synchronous remote replication on the host's write IO performance has nothing to do with the distance between the master and slave sites.
• D.After the master and slave LUN write I/O successfully, the master array returns the write I/O success to the host.

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Which one of the following descriptions about the VCS service in the clustered NAS system is wrong?

• A.Under special circumstances, you can cyclically define resource dependencies
• B.Each resource corresponds to one Agent
• C.The dependency between resources can be defined
• D.The dependency between service groups can be defined

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