Is It Best Practice for an Organization to Practice Periodically

Multiple Choice

Is it best practice for an organization to practice periodically restoring a system from its backup files?

A) No,doing so might introduce errors into the system's data.
B) No,doing so takes the system offline and prevents customers from being able to access the system.
C) Yes,doing so verifies the procedure and backup media are working correctly.
D) Yes,doing so improves the efficiency of the system.