Which of the following statements is true? (Multiple Choice)

• A.SSD are cheaper than HDD because they are physically much smaller.
• B.the realized transfer speed of SSD is higher than that of SAS.
• C.only SLC SSD are used in Enterprise level systems.
• D.A SAS disk generally has more IOPS than a SATA disk.

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Statement 1: The higher the number used to indicate the RAID level, the higher the overhead Statement 2: RAID 10 stripes the data, then mirrors the stripe set.

• A.Statement 1 is true and statement 2 is false.
• B.Statements 1 and 2 are both true.
• C.Both statements 1 and 2 are false.
• D.Statement 1 is false and statement 2 is true.

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You need to manually set free disks as hot spare disks in a Huawei OceanStor V3 storage system when you use RAID 2.0+.

• A.TRUE
• B.FALSE

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HUAWEI OceanStor V3 SmartTier can be used to position files to be on specific disk drive types.

• A.TRUE
• B.FALSE

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Which of the following statements is incorrect?

• A.A RAID group is like a physical volume that consists of multiple disks.
• B.Multiple logical volumes can be created on a physical volume.
• C.One logical volume can be created on a physical volume.
• D.A LUN can reside on multiple RAID groups.

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