All EXP port of OceanStor enterprise storage systems must connect to PRI ports.

• A.FALSE
• B.TRUE

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In the data backup application scenario, compared with physical tape libraries, which of the following descriptions belong to the characteristics of disk backup media? (Multiple choice)

• A.The unit storage cost is lower than that of physical tape.
• B.High backup and recovery performance.
• C.Low management and maintenance costs.
• D.It can realize the separation of the data storage disk and the device for reading and writing the disk, and realize the offline storage of the data.

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An application Server cannot access a Snapshot volume.
This is because?

• A.The Snapshot is not activated.
• B.The Snapshot is locked.
• C.The Snapshot is activated.
• D.The Snapshot is being replicated.

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Which are possible causes for an enterprise to use virtual tape libraries as the backup media? (Multiple Choice)

• A.The initial cost of unit storage is lower than that of physical tape libraries.
• B.The original tape storage system architecture does not need to be changed.
• C.The read and write performance is higher than that of physical tape libraries.
• D.The capacity scalability is better than that of physical tape libraries.

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In the outline design stage, it is necessary to output HLD (High Level Design).

• A.True
• B.False

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