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

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

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With the advent of the era of big data, the corresponding storage technology is also undergoing changes. Regarding the changes in storage technology, which of the following statements is correct? (Multiple choice)

• A.The file system has evolved from a local file system to a cluster file system and a distributed file system
• B.Mass storage system is characterized by more complex file system and more complex management
• C.Large-scale scalability is the characteristic of mass storage systems
• D.Traditional NAS, for PB-level data, complex volume management and unbalanced system capacity allocation, which will lead to waste of resources

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Xiao Wang, an employee of a small company, uses the CIFS protocol to access shared files on the Linux application server supported by his company's storage system.

• A.False
• B.True

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The management IP address of a storage device is 192.168.5.12. Which of the following needs to be entered by Engineer A in the browser to log in correctly?

• A.https://192.168.5.12
• B.https://192.168.5.12:8088
• C.192.168.5.12
• D.http://192.168.5.12

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Which RAID use parity? (Multiple Choice)

• A.RAID 1
• B.RAID 5
• C.RAID 3
• D.RAID 0

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