What is the description of file-level HyperSnap feature data recovery in Huawei OceanStor V3 storage system, which Are these correct? (Multiple choice)

• A.can restore the original file with logical errors
• B.can restore the original file accidentally deleted
• C.can restore a single file
• D.can restore the file on the file system with physical failure

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Which of the following items is NOT mandatory in a Fibre Channel SAN? (Choose all that apply.)

• A.Windows operating system
• B.Storage device
• C.Fibre Channel switch
• D.Fibre Channel HBA

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Which of the following statements about reconstruction is incorrect?

• A.Reconstruction does not interrupt system services.
• B.Reconstruction affects system performance.
• C.Reconstruction requires hot spare disks.
• D.RAID 0,1, 5, 6, and 10 support reconstruction.

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What is wrong about the snapshot technology below?

• A.When manually creating a snapshot for a file system, it will not be possible to create a new file system for the file system if it exceeds the product specification limit
  'S snapshot
• B.When creating a periodic snapshot for the file system, the storage system automatically deletes the earliest created snapshot and automatically generates a new snapshot Photos
• C.After opening multiple snapshots on the same file system, roll back to one of the snapshots. After the rollback is complete, the target will be deleted All snapshots after the snapshot creation time
• D.When rolling back a file system snapshot, you must cancel the shared mount of the source file system

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Connecting an OceanStor 5300 V3 to three disk enclosures requires ......... SAS cables.

• A.3
• B.6
• C.9
• D.12

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