Which of the following is not a backup type?

• A.Real-time backup
• B.Differential incremental backup
• C.Cumulative incremental backup
• D.Full backup

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Which CLI shortcuts are correct? (Multiple Choice)

• A.Q is the exit instruction manual
• B.page up and page down two keys are the previous page and the next page
• C.A is to view command parameters
• D.R is the view command

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

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

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A company belongs to the fields of banking and finance, with a large amount of business data and high security requirements. Which RAID level is suitable for this company?

• A.RAIDO
• B.RAID 5
• C.RAID 1
• D.RAID 10

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Which of the following descriptions is correct? (Multiple choice)

• A.In the OceanStor V3 series of new-generation storage products, the back-end loop of the same SAS interface card can be mixed with ordinary disk enclosures and high-density disk enclosures.
• B.OceanStor V3 series products support 8 controllers, and the switching plane between the controllers is IP-based Scale-out interconnection
• C.OceanStor V3 mid-range storage arrays use IP switches for interconnection, which has cost advantages. PCIe switches are dedicated switches and have relatively high costs. They are mainly used in high-end storage.
• D.When the control frame of OCeanStor5300 V3 is expanded from 2 controllers to 4 controllers, either direct connection networking or switch networking can be used

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