The answer is to develop a framework of minimum security requirements, allowing local augmentation. This approach correctly balances centralized governance with local regulatory compliance by establishing a non-negotiable security baseline that protects the entire enterprise, while empowering subsidiaries to add controls tailored to their specific legal obligations. On the Certified Information Security Manager CISM exam, this scenario tests your understanding of the governance principle that effective control is not about uniformity but about harmonizing a core standard with necessary local flexibility. A common trap is selecting a fully centralized model, which ignores the reality that local laws often mandate specific data handling or breach notification procedures that a rigid global policy cannot satisfy. Remember the memory tip: "Core and Comply" — enforce the core minimum globally, then comply locally with augmentations.
CISM Information Security Governance Practice Question
This CISM practice question tests your understanding of information security governance. 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.
A multinational corporation is experiencing significant security incidents due to inconsistent security policies across subsidiaries. The CISO proposes implementing a centralized governance model. However, business unit leaders argue that local regulations require autonomy. Which approach best balances governance with local compliance?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Develop a framework of minimum security requirements, allowing local augmentation
Option B is correct because it allows a minimum set of requirements while enabling local augmentation to meet specific regulatory needs. Option A is too rigid and may conflict with local laws. Option C gives up central control entirely. Option D outsources governance, which may not address local nuances.
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.
✗
Implement a single global security policy with mandatory compliance
Why it's wrong here
A single global policy may violate local laws and does not allow for necessary flexibility.
✗
Delegate all security decisions to local business units
Why it's wrong here
This would exacerbate inconsistency and lack of oversight.
✓
Develop a framework of minimum security requirements, allowing local augmentation
Why this is correct
This approach balances global consistency with local regulatory needs.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Static NAT maps one inside address to one outside address.
✗
Outsource security governance to a third-party managed service
Why it's wrong here
Outsourcing shifts responsibility but does not inherently resolve local vs global tension.
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: Develop a framework of minimum security requirements, allowing local augmentation — Option B is correct because it allows a minimum set of requirements while enabling local augmentation to meet specific regulatory needs. Option A is too rigid and may conflict with local laws. Option C gives up central control entirely. Option D outsources governance, which may not address local nuances.
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.
Are there clue words in this question I should notice?
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
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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