This PRINCE2F practice question tests your understanding of prince2 practices. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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.
What is the difference between a Request for Change and an Off-specification?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
A Request for Change seeks to modify a baselined product; an Off-specification identifies a failure to meet a specification
A Request for Change is a proposal for a modification to a product that has been baselined, while an Off-specification is something that should be provided but is not (or is forecast not to be). The key difference is that RFC is about changing what was agreed, whereas Off-spec is about failing to deliver what was agreed.
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.
✗
A Request for Change is raised by the Project Manager; an Off-specification is raised by the Senior User
Why it's wrong here
Both can be raised by any stakeholder; the roles differ by content, not author.
✗
There is no difference; they are alternative terms for the same thing
Why it's wrong here
They are distinct issue types in PRINCE2.
✓
A Request for Change seeks to modify a baselined product; an Off-specification identifies a failure to meet a specification
Why this is correct
Correct. RFC proposes a change to an agreed baseline; Off-specification is a deviation from the agreed specification.
Related concept
Static NAT maps one inside address to one outside address.
✗
A Request for Change always requires a change budget; an Off-specification does not
Why it's wrong here
Both may require budget; it depends on the impact.
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 PRINCE2F NAT questions on configuration and troubleshooting.
PRINCE2 Practices — This question tests PRINCE2 Practices — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: A Request for Change seeks to modify a baselined product; an Off-specification identifies a failure to meet a specification — A Request for Change is a proposal for a modification to a product that has been baselined, while an Off-specification is something that should be provided but is not (or is forecast not to be). The key difference is that RFC is about changing what was agreed, whereas Off-spec is about failing to deliver what was agreed.
What should I do if I get this PRINCE2F 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 PRINCE2F 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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