CAS-004 Governance, Risk, and Compliance Practice Question
Which key performance indicator (KPI) is most useful for measuring the effectiveness of an 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, reflecting process efficiency.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Patch compliance percentage
Why it's wrong here
This measures vulnerability management, not incident response.
- ✗
Vulnerabilities by severity
Why it's wrong here
This indicates risk posture, not incident response performance.
- ✗
Number of security awareness training sessions
Why it's wrong here
This measures training volume, not incident response effectiveness.
- ✓
Mean time to respond (MTTR)
Why this is correct
MTTR measures the average time to respond to incidents, a direct measure of response efficiency.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CAS-005 practice question is part of Courseiva's free CompTIA 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 CAS-005 exam.