Which of the following statements about Smart Tier technology is correct?

• A.NL-SAS hard disk speed is low, task response time is long, and the processing cost per unit storage request is low, so it is placed in the capacity layer.
• B.Put NL-SAS hard disks in the performance layer
• C.Put the SSD hard disk in the performance layer
• D.Because the SSD hard disk has a short read and write time and high performance, it is placed in the high-performance layer.

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Which of the following descriptions of the relationship between the FC protocol and the SCSI protocol is wrong?

• A.FC can transmit SCSI commands, data and status information units by constructing frames
• B.FC or iSCSI protocol is used to carry SCSI protocol, which is an extension of SCSI protocol
• C.SCSI is the upper layer protocol of FC 4, SCSI is a subset of FC protocol
• D.FC is an alternative to SCSI

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Which of the following are the goals of integrating artificial intelligence into storage? (Multiple Choice)

• A.Simple
• B.Easy to use
• C.Efficient
• D.High energy consumption

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Which one of the following options is stored in a narrow-sense storage?

• A.Tape library
• B.Disk
• C.Disk array
• D.Disk cabinet

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In the Huawei storage system, which of the following descriptions about the characteristics of virtual snapshot LUNs is correct? (Multiple choice)

• A.Complete data replication is not necessary
• B.Use the mapping table to find the data
• C.Snapshot LUN cannot be mapped to the host
• D.The storage system can generate a snapshot in a few seconds

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