Huawei OceanStor 9000 uses the erasure code technology to protect data. A site has six nodes, and the customer requires that data can be restored if three of the disks where a stripe is distributed are faulty.
Which redundancy levels can be used to meet the requirement? (Multiple Choice)

• A.6+3
• B.4+3:1
• C.6+4:1
• D.4+2

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Your colleague has advised a customer with a small VMware environment to purchase the SmartDedupe/SmartCompression license with their new StorageSystem to reduce the amount of diskspace required.
This is:

• A.Not a good advice, deduplication will not reduce the required diskspace because every VM is unique,
• B.A good advice, there is a lot of duplicate data in the Operating System.
• C.Not a good advice. Although the customer will require less diskspace, the performance of the system will decrease significantly.
• D.An advice driven by marketing, the reduced amount of diskspace required is minimal.

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Which of the following modules or devices does not support the replacement of the Huawei OceanStor 9000 FRU replacement tool?

• A.Replace the hard drive online
• B.Power module
• C.Cable (or optical module)
• D.IO module

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Which of the following statements about the CIFS protocol are true? (Multiple Choice)

• A.CIFS transmits data based on TCP.
• B.CIFS is a file sharing protocol used in Windows.
• C.CIFS is a file sharing protocol used in Linux.
• D.CIFS transmits data based on UDP.

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Which of the following statements about the working principles of data deduplication is false?

• A.Dab blocks that have been stored will not be stored again, and no other processing is required either, such as adding indexes.
• B.The granularity of hash comparison is data block.
• C.The same data block will be physically stored only once.
• D.A complete data logical view can be seen through indexes.

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