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PK0-005 Practice Question: A project manager is leading a software…
A project manager is leading a software development project. The team is using an agile approach with iterative cycles. Which project life cycle model best describes this approach?
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
✓
Iterative life cycle
An agile approach with iterative cycles is characteristic of an iterative or adaptive life cycle, where scope is refined through repeated cycles.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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Waterfall life cycle
Why it's wrong here
Waterfall executes sequential phases once, with requirements fixed before design, so it cannot accommodate the repeated cycles agile uses. It tempts because it is the classic default, and it would fit projects with stable, fully specified scope where change is unwelcome.
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Predictive life cycle
Why it's wrong here
A predictive life cycle plans scope, schedule and cost upfront and delivers once at the end, so it cannot absorb the iterative re-planning agile cycles require. It tempts because it dominates traditional delivery, and would suit fixed-scope, low-change projects such as regulated infrastructure work.
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Iterative life cycle
Why this is correct
Agile delivery repeats work in short cycles, refining the product each pass, which matches an iterative life cycle where scope is progressively elaborated. Predictive or waterfall models assume fixed scope up front, so they cannot describe the team's recurring refinement cycles.
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Spiral life cycle
Why it's wrong here
The spiral model is risk-driven, repeating planning, risk analysis and prototyping per loop rather than delivering working increments each iteration. It tempts because it is also iterative, but agile cycles produce shippable software, whereas spiral suits large, high-risk projects needing formal risk assessment.
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