CISA Certified Information Systems Auditor – Question1664

Which of the following would BEST support 24/7 availability?

A.
Daily backup
B. offsite storage
C. Mirroring
D. Periodic testing

Correct Answer: C

Explanation:

Explanation:
Mirroring of critical elements is a too! that facilitates immediate recoverability. Daily backup implies that it is reasonable for restoration to take place within a number of hours but not immediately. Offsite storage and periodic testing of systems do not of themselves support continuous availability.