easyMultiple Choice
PK0-005 Practice Question: A project manager is planning a new software…
A project manager is planning a new software development project. Which tool should the project manager use to break down the project deliverables into smaller, manageable work packages?
⚠ Common exam trap
The PK0-005 exam often tests the distinction between decomposition tools (WBS) and visualization/scheduling tools (Gantt chart), trapping candidates who confuse the purpose of a Gantt chart with breaking down deliverables.
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
✓
Work Breakdown Structure (WBS)
The Work Breakdown Structure (WBS) is the correct tool for decomposing project deliverables into smaller, manageable work packages. It provides a hierarchical decomposition of the total scope of work, enabling accurate estimation, assignment, and tracking of tasks in a software development project.
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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Gantt chart
Why it's wrong here
A Gantt chart displays scheduled activities against a timeline with dependencies; it does not itself decompose deliverables into work packages. It is tempting because it is a core planning artefact, and it would be the correct tool for visualising sequence, duration and progress of activities already identified.
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Issue log
Why it's wrong here
An issue log records problems, owners and resolution status; it does not decompose deliverables into work packages. It is tempting because it is a standard project artefact used throughout execution, and it would be the correct tool for tracking risks and blockers raised during the project.
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Work Breakdown Structure (WBS)
Why this is correct
A Work Breakdown Structure decomposes the total project scope into progressively smaller deliverables and work packages, satisfying the stem's requirement to break deliverables into manageable units. Each package becomes a basis for estimating, scheduling, assigning ownership and controlling scope throughout the software development project.
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RACI matrix
Why it's wrong here
A RACI matrix assigns responsibility, accountability, consultation and information roles for tasks; it does not break deliverables into work packages. It is tempting because it is created during planning alongside scope artefacts, and it would be the correct tool for clarifying who owns each activity once the WBS exists.
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