CISM Information Security Governance Practice Question
Which board-level metric is MOST useful for measuring the effectiveness of the incident response process?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Mean time to respond (MTTR)
Mean time to respond (MTTR) directly measures how quickly incidents are contained and remediated.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Mean time to respond (MTTR)
Why this is correct
MTTR indicates how quickly the organization responds to incidents.
- ✗
Patch compliance percentage
Why it's wrong here
Patch compliance is a preventive metric, not response.
- ✗
Mean time to detect (MTTD)
Why it's wrong here
MTTD measures detection speed, not response.
- ✗
Number of security incidents
Why it's wrong here
Number alone does not measure response effectiveness.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CISM practice question is part of Courseiva's free ISACA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CISM exam.