The following description of IOPS is wrong:

• A.If the smallest data block is written each time under the condition of infrequent lane change, such as 512 bytes, then the IOPS will be the highest value
• B.If the IO writes a large piece of continuous data every time the channel is changed infrequently, what is done every second at this time IO frequency is relatively low
• C.If the head frequently changes lanes, and the data written each time is relatively large, then the IOPS should be the lowest number of this disk value
• D.How many times IO can be performed per second, each IO is fixed according to the size of the written data

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A device can only have one WWPN, but it can have multiple WWNNs.

• A.TRUE
• B.FALSE

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HyperRepIication for HUAWEI OceanStor V3 can use FC links between the data centers. iSCSI links are not supported.

• A.TRUE
• B.FALSE

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Depending on the amount of data to be backed up, which of the types are actual backup methods?
(Multiple Choice)

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

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Which of the following are common RAID types. (Multiple Choice)

• A.RAID 50
• B.RAID 0+1
• C.RAID 5
• D.RAID 1

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