CISM Information Security Governance Practice Question
This CISM practice question tests your understanding of information security governance. Compare every option against the stated constraints before choosing — the best answer satisfies all requirements, not just the most obvious one. 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.
```
SECURITY GOVERNANCE REPORT - Q4 20XX
=======================================
Risk Appetite: Moderate (defined by board)
Key Risk Indicator: % Systems with critical vulnerabilities > 30 days old
Current Value: 8%
Threshold: <5% (Red), 5-10% (Yellow), >10% (Green)
Status: YELLOW
Action Plan: Accelerate patching for high-risk assets
```
Given the exhibit, what is the MOST appropriate action for the information security manager?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Implement the action plan to reduce KRI value
Option B is correct because the KRI is in the yellow zone (5-10%) and requires management attention and accelerated patching. Option A is wrong because escalation is for red status. Option C is wrong because immediate remediation is for critical issues. Option D is wrong because acceptance board approval is for risks that exceed appetite, but here it is within tolerance.
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.
✗
Request board approval to accept the risk level
Why it's wrong here
Risk is within appetite, acceptance not needed.
✗
Declare a security crisis and mobilize incident response
Why it's wrong here
Not appropriate for yellow status.
✗
Escalate to the board for immediate decision
Why it's wrong here
Red status would require escalation.
✓
Implement the action plan to reduce KRI value
Why this is correct
Yellow status needs management action as planned.
Related concept
Static NAT maps one inside address to one outside address.
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 CISM NAT questions on configuration and troubleshooting.
Information Security Governance — This question tests Information Security Governance — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Implement the action plan to reduce KRI value — Option B is correct because the KRI is in the yellow zone (5-10%) and requires management attention and accelerated patching. Option A is wrong because escalation is for red status. Option C is wrong because immediate remediation is for critical issues. Option D is wrong because acceptance board approval is for risks that exceed appetite, but here it is within tolerance.
What should I do if I get this CISM 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 CISM 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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