CRISC IT Risk Assessment Practice Question
In the FAIR framework, Loss Event Frequency (LEF) is calculated as:
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
✓
Threat Event Frequency × Vulnerability
FAIR defines LEF = Threat Event Frequency (TEF) multiplied by Vulnerability (Vuln).
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Threat Event Frequency × Vulnerability
Why this is correct
LEF = TEF × Vulnerability.
- ✗
Annualized Rate of Occurrence × Single Loss Expectancy
Why it's wrong here
That is ALE.
- ✗
Threat Event Frequency × Loss Magnitude
Why it's wrong here
Loss Magnitude is separate.
- ✗
Vulnerability × Loss Magnitude
Why it's wrong here
Vulnerability times Loss Magnitude is not a standard FAIR component.
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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.