ISC Exam Questions

What metric describes how long it will take to recover a failed system?

What metric describes how long it will take to recover a failed system?

A.
Minimum Operating Requirements (MOR)

B.
Mean Time Between Failures (MTBF)

C.
The Mean Time to Repair (MTTR)

D.
Recovery Point Objective (RPO)

Explanation:
Answer C is correct; The Mean Time to Repair (MTTR) describes how long it will take to recover a failed system. It is the best estimate for reconstituting the IT system so that business continuity may occur.

Incorrect Answers and Explanations: A, B, and D: Answers A, B, and D are incorrect. Minimum Operating Requirements describes the minimum environmental and connectivity requirements in order to operate computer equipment. Mean Time Between Failures quantifies how long a new or repaired system will run before failing. The Recovery Point Objective (RPO) is the moment in time in which data must be recovered and made available to users in order to resume business operations.