The answer is that a critical vulnerability remaining open for three months with a patch available and no evidence of monitoring or remediation is the most concerning aspect of risk monitoring. This is correct because risk acceptance does not eliminate the need for active, ongoing monitoring; without evidence of follow-up, the accepted risk becomes a blind spot that can be exploited, especially when a patch exists. On the CRISC exam, this scenario tests your understanding that monitoring is a continuous process, not a one-time decision, and that the absence of remediation evidence is a red flag for control failure. A common trap is to focus on the severity label or the act of acceptance itself, but the exam wants you to identify the lack of monitoring as the core issue. Remember the mnemonic: “Patch present, no proof, three months—that’s the monitoring truth.”
CRISC Risk and Control Monitoring and Reporting Practice Question
This CRISC practice question tests your understanding of risk and control monitoring and reporting. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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.
Exhibit
Refer to the exhibit.
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Vulnerability Scan Report Excerpt
Target: 192.168.1.100
Vulnerability: CVE-2023-XXXX
Severity: Critical
Status: Open (first detected: 2024-01-15)
Last scan: 2024-04-10
Patches available: Yes
Risk accepted: Yes (by system owner on 2024-02-01)
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Based on the exhibit, which aspect of risk monitoring is MOST concerning?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The vulnerability has been open for three months with no evidence of monitoring or remediation despite a patch being available.
Option C is correct because a critical vulnerability with a patch available has been open for nearly three months with no remediation; risk acceptance alone does not substitute for active monitoring of the accepted risk. Option A is wrong because severity is already labeled critical. Option B is wrong because the risk was accepted, but the monitoring of that acceptance is the issue. Option D is wrong because the acceptance is recent; the concern is lack of follow-up.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
The vulnerability has been open for three months with no evidence of monitoring or remediation despite a patch being available.
Why this is correct
Indicates lack of ongoing monitoring of accepted risks.
Related concept
Static NAT maps one inside address to one outside address.
✗
The vulnerability severity is critical.
Why it's wrong here
Severity is important but not the most concerning issue.
✗
The last scan was three months after the initial detection.
Why it's wrong here
Scan frequency is a concern but secondary to lack of remediation action.
✗
The risk was accepted by the system owner.
Why it's wrong here
Acceptance is a valid decision, but monitoring after acceptance is critical.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
Static NAT maps one inside address to one outside address.
PAT allows many inside hosts to share one public address using ports.
Inside local and inside global describe the private and translated addresses.
NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
→Identify inside and outside interfaces first.
→Check whether the scenario needs static NAT, dynamic NAT or PAT.
→Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
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.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related CRISC NAT questions on configuration and troubleshooting.
Risk and Control Monitoring and Reporting — This question tests Risk and Control Monitoring and Reporting — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: The vulnerability has been open for three months with no evidence of monitoring or remediation despite a patch being available. — Option C is correct because a critical vulnerability with a patch available has been open for nearly three months with no remediation; risk acceptance alone does not substitute for active monitoring of the accepted risk. Option A is wrong because severity is already labeled critical. Option B is wrong because the risk was accepted, but the monitoring of that acceptance is the issue. Option D is wrong because the acceptance is recent; the concern is lack of follow-up.
What should I do if I get this CRISC question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related CRISC NAT questions on configuration and troubleshooting.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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Question Discussion
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