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CISM · Question #667
Which of the following metrics would BEST measure the reliability and resilience of digital systems?
The correct answer is A. Mean time between failures (MTBF). MTBF measures the average time between system failures, making it the best metric for assessing the reliability and resilience of digital systems over time.
Submitted by deeparc· Apr 18, 2026Information Security Incident Management
Question
Which of the following metrics would BEST measure the reliability and resilience of digital systems?
Options
- AMean time between failures (MTBF)
- BMean time to acknowledge
- CMean time to restore (MTTR)
- DMean time to failure (MTTF)
How the community answered
(41 responses)- A88% (36)
- B2% (1)
- C2% (1)
- D7% (3)
Explanation
MTBF measures the average time between system failures, making it the best metric for assessing the reliability and resilience of digital systems over time.
Topics
#System Reliability#System Resilience#Metrics#Availability
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