Which of the following descriptions about disaster recovery backup are correct? ( many)
A.
The backup system not only protects data, but also ensures business continuity
B.
Backup is mainly aimed at factors such as human misoperation, virus infection, logic errors, etc.
Data recovery, data backup is generally carried out in the same data center
C.
The disaster recovery system only protects the recoverable version data at different time points
D.
Disaster recovery is mainly aimed at major natural disasters such as fires and earthquakes. Therefore, there must be a connection between the production site and the disaster recovery site.
Chosen Answer:
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