In the deployment scenario of FusionStorage file service, the customer deploys ten FusionStorage nodes and two management network switches. At this time, the number of IP addresses that need to be assigned to its management network is?

• A.12
• B.18
• C.14
• D.16

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During the daily inspection, Engineer C found that the bit error rate of an optical module was high, and planned to replace an optical module. Which of the following descriptions are correct? (Multiple choice)

• A.The storage has multiple paths connected to the business host, and the optical module can be replaced at any time
• B.Engineer C needs to use a spare part with the same model and version as the faulty optical module
• C.Replacing the optical module will not cause the loss of existing data, and there is no need to back up the data before replacement
• D.You need to shut down the storage device before replacing the optical module

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Application Server X needs to access dab on StorageSystem X with multipathing software X and data on third-party StorageSystem Y with multipathing software Y.
The combination of multipathing software is generating errors. A colleague suggests using SmartVirtualization to represent the data on third-party StorageSystem Y in an eDevLUN on StorageSystem X.
This is:

• A.A solution to the problem, we can remove the multipathing software Y once the eDevLUN is available.
• B.Not a solution to the problem, the data still resides on StorageSystem Y.
• C.Not a solution to the problem, the multipathing software X will now generate errors.
• D.A solution to the problem, but only if we disable StorageSystem Y once the eDevLUN is available.

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Which of the following is wrong description of the characteristics of Oceanstor 9000 InfoStamaper?

• A.The metadata of Oceanstor 9000 uses mirroring for redundancy, and COW technology is used for metadata
• B.InfoStamaper feature provides file-based snapshots
• C.The advantage of using ROW is that it has less impact on system performance
• D.Oceanstor 9000 InfoStamaper adopts ROW technology

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Which of the following backup media do not support deduplication? (Multiple Choice)

• A.S2600T
• B.OceanStor 2600 V3
• C.OceanStor 5300 V3
• D.OceanStor 2200 V3

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