Which of the following descriptions of RAID 10 is correct? (Multiple choice)

• A.Data is mirrored and then striped in RAID 10
• B.In RAID 10, if two member disks in a subgroup fail, the data is read normally
• C.RAID 10 requires at least 4 member disks
• D.RAID 10 is used in scenarios with high requirements for speed and fault tolerance

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The OceanS to r6800V 3 frame itself can be configured with four controls or only two controls. If the dual-control power supply and BBU are fully configured, the interface cards and controllers are all configured in the upper row.

• A.True
• B.False

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The hard disk domain supports online adding hard disks, and the storage pool supports online expansion.

• A.True
• B.False

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The QoS of the file system supports IO priority configuration and also supports policy configuration.

• A.False
• B.True

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The built-in storage system is directly connected to the host bus, which mainly includes the high-speed cache and memory required for CPU operations, and the hard disk and optical drive directly connected to the computer motherboard.

• A.False
• B.True

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