CAS-004 Governance, Risk, and Compliance Practice Question
A security analyst is reviewing metrics for the security program. Which metric best measures the effectiveness of incident response processes?
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) measures the average time taken to remediate an incident, indicating response 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.
- ✗
Mean time to detect (MTTD)
Why it's wrong here
Incorrect. MTTD measures detection speed, not response.
- ✗
Patch compliance percentage
Why it's wrong here
Incorrect. This measures patching effectiveness, not incident response.
- ✓
Mean time to respond (MTTR)
Why this is correct
Correct. MTTR measures how quickly incidents are resolved.
- ✗
Number of vulnerabilities by severity
Why it's wrong here
Incorrect. This measures vulnerability posture.
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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.