Which of the following statements about Huawei RAID 2.0+ is correct? (Multiple choice)

• A.Automatically reserve a certain amount of hot spare space in the disk domain according to the hot spare policy
• B.RAID 2.0+ uses an independent hot spare disk
• C.Hot spare space cannot cross engines
• D.Chunk size and Extent size are not adjustable

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Incremental backups must rely on the last full backup and the last incremental backup to fully restore the data during data restoration. Data reconstruction during restoration is slower than a full backup, and the restoration window is larger.

• A.True
• B.False

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Which of the following storage system architectures has its own file system?

• A.IPS AN
• B.FC SAN
• C.NAS
• D.DAS

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Which is the correct description of the FTP file transfer protocol?

• A.Port 21 transmits data by default
• B.Cannot be used in Linux scenarios
• C.Port 21 create control information by default
• D.Transmission based on TCP protocol

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Regarding the Refactoring, which of the following statement is incorrect?

• A.Refactoring affects RAID performance
• B.Refactoring will not interrupt the RAID business
• C.Refactoring does not necessarily require a hot spare disk
• D.RAID 0, 1, 3, 5, 6 and 10 support Refactoring

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