The answer is the risk gap between required and current service level. This is correct because the risk gap calculation first quantifies the difference between the desired performance—99.99% uptime (about 52.56 minutes of annual downtime)—and the actual performance—99.9% uptime (about 525.6 minutes)—yielding a gap of 473.04 minutes per year. On the Certified in Risk and Information Systems Control CRISC exam, this concept tests your understanding that establishing the magnitude of exposure is a prerequisite to any financial metrics like ALE, SLE, or EF, which depend on knowing the actual downtime to cost. A common trap is jumping straight to monetary calculations without first measuring the service-level deficit. Remember the CRISC mantra: “Gap before cost”—always quantify the risk gap in operational terms before applying financial formulas.
CRISC IT Risk Assessment Practice Question
This CRISC practice question tests your understanding of it risk assessment. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
During a risk assessment, the risk manager finds that a critical application has a single point of failure in its network path. The application's availability requirement is 99.99%. The current design achieves only 99.9% uptime. Which risk metric should be calculated first?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "first"
Why it matters: Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Risk gap between required and current service level.
The risk manager must first quantify the risk gap between the required 99.99% availability (approximately 52.56 minutes of downtime per year) and the current 99.9% availability (approximately 525.6 minutes per year). This gap of 473.04 minutes per year establishes the magnitude of the risk exposure before any financial calculations (ALE, SLE, EF) can be performed, as those metrics depend on knowing the actual downtime that needs to be costed.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Annualized Loss Expectancy (ALE) based on potential downtime cost.
Why it's wrong here
ALE is useful but requires the gap and the financial impact; the gap should be established first.
✓
Risk gap between required and current service level.
Why this is correct
Quantifying the gap helps prioritize remediation efforts and calculate downstream metrics.
Clue confirmation
The clue word "first" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Exposure factor (EF) representing the percentage of loss.
Why it's wrong here
EF is a general input; the gap is more specific to the availability risk.
✗
Single loss expectancy (SLE) for a single outage event.
Why it's wrong here
SLE is a component of ALE but does not directly address the continuous availability shortfall.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates rush to calculate financial metrics (ALE, SLE, EF) without first establishing the foundational risk gap, which is the prerequisite for any meaningful quantitative risk analysis.
Detailed technical explanation
How to think about this question
Availability percentages map to specific annual downtime: 99.99% allows 52.56 minutes/year, while 99.9% allows 525.6 minutes/year — a gap of 473.04 minutes. This gap directly informs the ARO (annual rate of occurrence) for downtime events, which is critical for subsequent ALE calculations. In real-world network designs, this gap might be addressed by implementing redundant paths (e.g., HSRP/VRRP, ECMP) or adding a secondary ISP link to eliminate the single point of failure.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
IT Risk Assessment — This question tests IT Risk Assessment — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Risk gap between required and current service level. — The risk manager must first quantify the risk gap between the required 99.99% availability (approximately 52.56 minutes of downtime per year) and the current 99.9% availability (approximately 525.6 minutes per year). This gap of 473.04 minutes per year establishes the magnitude of the risk exposure before any financial calculations (ALE, SLE, EF) can be performed, as those metrics depend on knowing the actual downtime that needs to be costed.
What should I do if I get this CRISC question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "first". Order matters here. You are being tested on which action comes before the others — not which action is generally useful.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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