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The average time required to troubleshoot, fix, and restore a failed software system back into operational status is:

AMean Time To Repair (MTTR)
BMean Time To Failure (MTTF)
CMean Time Between Failures (MTBF)
DSystem Availability Index

Explanation

MTTR measures maintenance efficiency and downtime recovery speed.

Exam Relevance
  • Topic: Software Quality Metrics
  • Subtopic: Reliability Metrics
Submitted by: mcqstutor Team More Software Engineering MCQs →

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