CAPM Predictive Plan-Based Methodologies Practice Question
This CAPM practice question tests your understanding of predictive plan-based methodologies. 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.
Exhibit
Schedule:
Activity A: 5 days
Activity B: 4 days (after A)
Activity C: 3 days (after B)
Activity D: 6 days (after A, parallel to B and C)
Project finish: day 12 (no buffers)
Refer to the exhibit. If Activity B takes 2 extra days, what is the impact on the project finish date?
Schedule:
Activity A: 5 days
Activity B: 4 days (after A)
Activity C: 3 days (after B)
Activity D: 6 days (after A, parallel to B and C)
Project finish: day 12 (no buffers)
A
2 days delay
The critical path increases by 2 days, delaying the finish date by 2 days.
B
No impact
Why wrong: The critical path is affected, so there is an impact.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
2 days delay
Original critical path: A-B-C = 5+4+3=12 days; A-D = 11 days. After B takes 2 extra days, A-B-C = 5+6+3=14 days, still the longest path. Therefore, project finish is delayed by 2 days (from day 12 to day 14).
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.
✓
2 days delay
Why this is correct
The critical path increases by 2 days, delaying the finish date by 2 days.
Related concept
Static NAT maps one inside address to one outside address.
✗
No impact
Why it's wrong here
The critical path is affected, so there is an impact.
✗
1 day delay
Why it's wrong here
The delay is 2 days, not 1.
✗
1 day early
Why it's wrong here
The project is delayed, not early.
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 CAPM NAT questions on configuration and troubleshooting.
Predictive Plan-Based Methodologies — This question tests Predictive Plan-Based Methodologies — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: 2 days delay — Original critical path: A-B-C = 5+4+3=12 days; A-D = 11 days. After B takes 2 extra days, A-B-C = 5+6+3=14 days, still the longest path. Therefore, project finish is delayed by 2 days (from day 12 to day 14).
What should I do if I get this CAPM 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 CAPM 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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