About HUAWEI OceanStor V3, the following 2 statements:
Statement 1: With the SmartTier feature the SSD disks are in the Performance Tier.
Statement 2: No more than 3 tiers can exist in the OceanStor V3 storage arrays.

• A.Statement 1 is true; Statement 2 is false.
• B.Statement 1 and 2 are false.
• C.Statement 1 is false; Statement 2 is true.
• D.Statement 1 and 2 are true.

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Among the components of the mechanical disk, the parts responsible for reading and writing data are:

• A.Magnetic head arm
• B.Disc
• C.Spindle
• D.Read/write head

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The restore time objective (RTO) specifies the time needed to recover the data and servers after a disaster has occurred.

• A.FALSE
• B.TRUE

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Which of the following statements are characteristics of pre-copy technology?
(Multiple Choice)

• A.Reduces system performance.
• B.Improves system reliability.
• C.Reduces the occurrence of reconstruction.
• D.Migrates data from a suspected faulty disk to a hot spare disk immediately after the error count of the suspected faulty disk exceeds the preset threshold.

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A device can only have one WWPN, but it can have multiple WWNNs.

• A.TRUE
• B.FALSE

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