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PK0-005 Practice Question: A project manager is leading an IT infrastructure…
A project manager is leading an IT infrastructure upgrade project that follows a phased life cycle. During the planning phase, the project team is divided on the estimation approach for the migration tasks. Some members insist on using expert judgment, while others prefer parametric estimating based on historical data from similar projects. The project manager needs to decide on a method to ensure accurate estimates and team consensus. What should the project manager do?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Facilitate a meeting to combine both methods, using parametric estimates as a baseline and expert judgment to adjust.
The correct action is to facilitate a meeting to combine both methods, using parametric estimates as a baseline and expert judgment to adjust for unique project factors. Option C is correct because it leverages the strengths of both approaches and builds consensus. Option A is wrong because averaging results from different methods may not yield accurate estimates and does not resolve the underlying disagreement. Option B is wrong as it imposes one method without team buy-in, potentially reducing commitment and accuracy. Option D is wrong because postponing estimation delays the project unnecessarily and may not lead to better data.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Let the team members use their preferred method and average the results.
Why it's wrong here
Inconsistent methods may produce conflicting estimates.
- ✗
Override the disagreement and mandate the use of expert judgment.
Why it's wrong here
May reduce team morale and accuracy.
- ✓
Facilitate a meeting to combine both methods, using parametric estimates as a baseline and expert judgment to adjust.
Why this is correct
Combines both approaches effectively.
- ✗
Postpone estimation until more data is available from other projects.
Why it's wrong here
Unnecessary delay; data exists.
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Written by Johnson Ajibi, MSc IT Security
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