Description 1: HyperMirror has a LUN failure, the host service is not interrupted, the HyperClone primary LUN fails, and the host service is interrupted.
Description 2: HyperMirror supports dual copies, HyperClone supports a maximum of 1 master LUN: 16 slave LUN mode.

• A.description 1 is correct, description 2 is correct
• B.description 1 is correct, description 2 is wrong
• C.description 1 is wrong, description 2 is correct
• D.description 1 is wrong, description 2 is wrong

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What are the challenges facing traditional data centers? (Multiple choice)

• A.Capacity expansion of traditional data centers in units of nodes
• B.Traditional data center has low cooling efficiency
• C.Traditional data center maintenance costs are high
• D.Traditional data centers only monitor but not manage

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Description 1: A RAID consisting of several hard disks is called a physical volume.
Description 2: RAID 5 can improve the read and write rate and provide a certain degree of data security, but when there is a single hard disk failure At this time, read and write performance will be greatly reduced.

• A.Description 1 is correct, description 2 is correct
• B.Description 1 is correct, description 2 is incorrect
• C.Description 1 is wrong, description 2 is correct
• D.Description 1 error, description 2 error

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If no data migration plan is set, with SmartTier enabled, there will be no data movement at all between tiers.

• A.TRUE
• B.FALSE

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Which of the following methods provides the best RTO?

• A.Disk-To-Tape
• B.Replication
• C.Virtual Tape Library
• D.Disk-To-Disk-To-Tape

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