Which is correct about HyperMeteor? (Multiple Choice)

• A.It can only be configured between storage devices of the same model and version
• B.Support automatic storage failover
• C.Arbitration server must be configured
• D.The local site and the remote site can run services at the same time

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Which of the following statements of RAID 1 is incorrect?

• A.RAID 1 writes data to each member disk, and the data on each member disk is the same
• B.Normally, RAID 1 reads data from the data disk and the mirror disk
• C.RAID 1 uses X OR algorithm to check
• D.When the data of some member disks is damaged, RAID 1 allows it to quickly recover data from other member disks

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In the OceanStor V3 storage system, the types of hard disks in the same hard disk domain must be the same

• A.False
• B.True

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Which of the following has the highest performance?

• A.SLC
• B.QLC
• C.TLC
• D.MLC

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With the advent of the era of big data, storage technology is also undergoing changes. Which of the following is correct about the changes in storage technology? (Multiple Choice)

• A.Traditional NAS faces PB-level data, and complex volume management leads to uneven capacity allocation
• B.Mass storage is characterized by more complex file systems and more complex management
• C.The file system has evolved from a local system to a cluster file system and a distributed file system
• D.Large-scale expansion capability is a characteristic of mass storage

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