This CRISC practice question tests your understanding of risk response and mitigation. 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.
A recent security assessment identified that a critical web application is vulnerable to SQL injection due to unpatched software. The vendor has released a security patch. Which risk response is most appropriate?
Mitigate by applying the patch
Patches remove the vulnerability.
Avoid by taking the application offline
Why wrong: Avoidance disrupts business unnecessarily.
Accept the risk
Why wrong: Accepting leaves the system vulnerable.
Transfer via insurance
Why wrong: Insurance does not fix the vulnerability.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Mitigate by applying the patch
Option A is correct because applying the patch mitigates the vulnerability directly. Options B, C, and D are less effective.
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
For each option: why learners choose it and why it is or isn't the right answer here.
Mitigate by applying the patch
Why this is correct
Patches remove the vulnerability.
Related concept
Static NAT maps one inside address to one outside address.
Avoid by taking the application offline
Why it's wrong here
Avoidance disrupts business unnecessarily.
Accept the risk
Why it's wrong here
Accepting leaves the system vulnerable.
Transfer via insurance
Why it's wrong here
Insurance does not fix the vulnerability.
Common exam traps
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
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.
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
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
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.
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FAQ
Risk Response and Mitigation — This question tests Risk Response and Mitigation — Static NAT maps one inside address to one outside address..
The correct answer is: Mitigate by applying the patch — Option A is correct because applying the patch mitigates the vulnerability directly. Options B, C, and D are less effective.
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.
Static NAT maps one inside address to one outside address.
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Last reviewed: Jun 24, 2026
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.
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