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CISSP Practice question #58

Which of these indicates the average time between hardware failures?
A: MTBF.
B: MTTR.
C: MOR.
D: MTD.

CISSP Certification 2021 Domain 7: Security Operations
Source: https://thorteaches.com/ daily CISSP practice exam questions for the 2021 CISSP exam version.

ANSWER


A: MTBF (Mean Time Between Failures): How long a new or repaired system or component will function on average before failing, this can help us plan for spares and give us an idea of how often we can expect hardware to fail.

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Thor Pedersen

IT, information security, and project management trainer Best selling CISSP. CISM, and PMP instructor on Udemy. CISSP, CISM, C|EH, CDPSE, PMP, 2x CCNP, CompTIA Security+, SCP, 3x CCNA, et. Al.

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