Remember MTTR
Full name: Mean Time to Repair
Memory aid: Mean Time To Repair: average fixing duration.
Some organizations use restore, recover, or resolve; define the metric explicitly.
Study area: MIS, risk & continuity · Batch 3
Relevant study for: CompTIA Security+ SY0-701 · ISC2 CISSP 2024 outline · CompTIA SecurityX · ISC2 CC
Practice with exam flashcards →MIS, Risk & Continuity / Knowledge library
MTTR — Mean Time to Repair
Measures average time to repair a failed item in the defined measurement context.
Why learn MTTR — Mean Time to Repair?
Measures average time to repair a failed item in the defined measurement context.
Where it came from
Some organizations use restore, recover, or resolve; define the metric explicitly.
- Memory aid (a learning cue, not the expansion): Mean Time To Repair: average fixing duration.
Build your understanding
Work through these exercises in order. Try the task before opening a reference.
- Without looking, expand MTTR: Mean Time to Repair.
- Recall this memory aid: Mean Time To Repair: average fixing duration.
- Explain the practical use: Measures average time to repair a failed item in the defined measurement context.
- Explain this distinction: Some organizations use restore, recover, or resolve; define the metric explicitly.
- Identify MTTR in a device specification, architecture diagram, or system inventory.
Documentation and sources
- NIST cybersecurity glossary (csrc.nist.gov)