CRISC IT Risk Assessment Practice Question
A risk manager is using a 5x5 heat map to assess IT risks. Which of the following best describes the primary limitation of this qualitative risk analysis approach?
⚠ Common exam trap
The trap is that candidates associate 'risk analysis' with data and rigor, so they pick the answer about needing historical data — but that describes quantitative analysis, while heat maps are deliberately qualitative and subjective.
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
✓
It is subjective and not comparable across organizations.
A 5x5 heat map is a qualitative technique: likelihood and impact are assigned ordinal ratings (e.g., 1–5) based on expert judgment rather than measured data. Because the scales are defined locally and the ratings are subjective, results are not directly comparable across organizations or even across business units with different risk appetites. This subjectivity is the primary limitation.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
It requires extensive historical data to be accurate.
Why it's wrong here
A 5x5 heat map relies on expert judgement and ordinal scales, not extensive historical data; that requirement belongs to quantitative techniques such as probabilistic modelling. It is tempting because data-hungry methods exist, but the matrix's actual limitation is subjectivity and lack of granularity, not data volume.
- ✗
It is time-consuming and complex to implement.
Why it's wrong here
Heat maps are quick and low-cost, requiring only judgement-based placement of risks, so time and complexity are not their limitation. It is tempting because quantitative methods such as Monte Carlo simulation are indeed time-consuming, but the question asks about the qualitative 5x5 matrix, which is valued for its speed.
- ✓
It is subjective and not comparable across organizations.
Why this is correct
A 5x5 heat map relies on ordinal scales whose labels and thresholds each organisation defines differently, so ratings reflect assessor judgement rather than calibrated measurement. This satisfies the stem's focus on the primary limitation: scores cannot be meaningfully benchmarked across organisations, undermining consistent enterprise-wide risk comparison.
- ✗
It provides objective, financially meaningful results.
Why it's wrong here
A 5x5 heat map produces subjective, ordinal ratings, so it cannot deliver objective, financially meaningful results; that is precisely its limitation, not a property. It is tempting because quantified risk analysis does yield monetary figures, but a qualitative matrix never does, making this statement false rather than a limitation.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official ISACA exam blueprint
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.