A.3DC

B.Cloud disaster recovery

C.Active and standby

D.Double live

A.The backup and restoration performance is high.

B.Disks where data is stored can be separated from the device that reads and writes data to these disks, implementing offline storage of data

C.The unit storage cost of a disk is lower than that of a physical tape.

D.The management and maintenance costs are low.

A.Initial to appending

B.Locked to locked

C.Locked to initial

D.Appending to locked

E.Initial to locked

A.Data must be stored in different tiers,

B.Audio/Video files have higher resolution.

C.All the other answers are correct.

D.Virtualization plans.

A.Create files (including soft links) or directories

B.Modify properties

C.Delete files (including soft links) or directories

D.Rename