CRISC IT Risk Assessment Practice Question
A risk analyst is performing a quantitative risk analysis using the FAIR framework. Which TWO factors are multiplied to calculate Loss Event Frequency (LEF)?
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
LEF = Threat Event Frequency (TEF) × Vulnerability (V).
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Loss Magnitude
Why it's wrong here
Loss Magnitude is used to calculate ALE, not LEF.
- ✗
Annualized Rate of Occurrence
Why it's wrong here
ARO is equivalent to LEF, not a factor.
- ✓
Threat Event Frequency
Why this is correct
TEF is one component of LEF.
- ✗
Single Loss Expectancy
Why it's wrong here
SLE is the loss per event, not part of LEF.
- ✓
Vulnerability
Why this is correct
Vulnerability (probability of success) is the second component.
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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.