CRISC Risk Response and Reporting Practice Question
Which of the following is a Key Control Indicator (KCI) that measures the effectiveness of a firewall?
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
✓
Number of blocked intrusion attempts
A KCI measures the performance or effectiveness of a control. The number of blocked intrusion attempts is a direct measure of the firewall's preventive effectiveness.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Number of security incidents reported
Why it's wrong here
This is an outcome metric, not a control effectiveness indicator.
- ✓
Number of blocked intrusion attempts
Why this is correct
This directly reflects the firewall's ability to prevent attacks.
- ✗
Average time to patch vulnerabilities
Why it's wrong here
This is a KRI for vulnerability management, not a firewall KCI.
- ✗
Percentage of employees who completed security training
Why it's wrong here
This is a KCI for awareness training, not a firewall.
Go deeper
Related to this question
About these practice questions
One of 983 original CRISC practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. Learn why practice questions differ from exam dumps →
JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CRISC 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 CRISC exam.