Which of the following metrics is MOST valuable to the administrator in determining how many hard drives to keep on hand?

exams CAS-003 CAS-003 exam 0 Comments

Following a recent outage a systems administrator is conducting a study to determine a suitable bench stock of server hard drives.

Which of the following metrics is MOST valuable to the administrator in determining how many hard drives to keep on hand?
A . TTR
B . ALE
C . MTBF
D . SLE
E . PRO

Answer: C