The best strategy for improving incident response coordination across time zones is to implement a follow-the-sun incident response model. This approach ensures that a fully staffed, prepared team is always available during local business hours in each region, handing off active incidents to the next time zone at the end of their shift. By eliminating the gap between work hours, the follow-the-sun model minimizes communication delays and maintains continuous coverage, which is critical for containing fast-moving security events. On the Certified Information Security Manager CISM exam, this question tests your understanding of operational resilience and team structure under the Incident Management domain; a common trap is choosing overlapping schedules, which helps but still leaves partial coverage gaps, or a single point of contact, which creates a bottleneck. Remember the memory tip: “Follow the sun, never outrun” — meaning the incident never waits for a shift to start.
CISM Incident Management Practice Question
This CISM practice question tests your understanding of incident management. 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.
An organization has a distributed incident response team across multiple time zones. During a critical incident, communication delays occur due to different work hours. Which strategy BEST improves coordination and response time?
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
✓
Implement a follow-the-sun incident response model
Implementing a follow-the-sun model ensures that a team is always available during business hours, reducing delays. A single point of contact (A) creates a bottleneck. Overlapping schedules (B) helps but not as comprehensive as follow-the-sun. Outsourcing (D) may introduce new issues.
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.
✗
Require all team members to work overlapping shifts
Why it's wrong here
Overlapping shifts improve coverage but may not cover all time zones.
✓
Implement a follow-the-sun incident response model
Why this is correct
Follow-the-sun ensures continuous coverage by handing off between regions.
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.
✗
Designate a single incident commander for the entire response
Why it's wrong here
A single commander may not be available 24/7, causing delays.
✗
Outsource incident response to a managed security service provider
Why it's wrong here
Outsourcing may result in loss of control and context.
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.
Trap categories for this question
Command / output trap
A single commander may not be available 24/7, causing delays.
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.
Incident Management — This question tests Incident Management — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Implement a follow-the-sun incident response model — Implementing a follow-the-sun model ensures that a team is always available during business hours, reducing delays. A single point of contact (A) creates a bottleneck. Overlapping schedules (B) helps but not as comprehensive as follow-the-sun. Outsourcing (D) may introduce new issues.
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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