PK0-005 Project Management Concepts Practice Question
A project manager is selecting a methodology for a project with well-understood requirements and low expected change. Which methodology is MOST appropriate?
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
✓
Predictive (Waterfall)
Predictive/waterfall is suitable for stable requirements and low change, as it follows a sequential plan-driven approach.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Agile
Why it's wrong here
Agile delivers value through short iterations accommodating changing requirements; where requirements are well understood and change is low, that iterative replanning overhead is unnecessary. It tempts because Agile is widely favoured, and it would be correct where scope is uncertain and stakeholder feedback must shape the product continuously.
- ✗
Scrum
Why it's wrong here
Scrum's empirical, iterative cycles suit evolving requirements where scope is discovered through sprints; with well-understood requirements and low change, that overhead adds no value. It tempts because Scrum dominates Agile adoption, and it would be correct where requirements are unclear and frequent reprioritisation is expected.
- ✗
Hybrid
Why it's wrong here
Hybrid methodologies combine predictive and adaptive elements, but the scenario’s well-understood requirements and low expected change do not necessitate the adaptive component. The correct predictive approach uses a fixed, sequential lifecycle with upfront planning, whereas hybrid introduces iterative feedback loops that add unnecessary overhead. This option tempts because hybrid is often chosen when some uncertainty exists alongside stable modules, making it correct for projects with mixed stability.
- ✓
Predictive (Waterfall)
Why this is correct
Predictive (Waterfall) suits stable, well-understood requirements with low expected change because it fixes scope early and progresses through sequential phases. Iterative or agile approaches would add unnecessary overhead when requirements are already clear and unlikely to shift.
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