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PK0-005 Practice Question: Which document decomposes project deliverables…
Which document decomposes project deliverables into smaller, more manageable components?
⚠ Common exam trap
CompTIA often tests the distinction between the WBS (which decomposes deliverables) and the project schedule (which decomposes activities over time), leading candidates to confuse the two documents.
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
The Work Breakdown Structure (WBS) is the project management document that decomposes project deliverables into smaller, more manageable components, often called work packages. This hierarchical decomposition enables accurate estimation, assignment, and tracking of work. The WBS is defined in the PMBOK Guide as a deliverable-oriented grouping of project elements.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Project schedule
Why it's wrong here
Schedule lists activities, not a hierarchical decomposition.
- ✓
Work breakdown structure
Why this is correct
Correct. WBS decomposes deliverables into smaller components.
- ✗
Project charter
Why it's wrong here
Charter authorizes the project, but does not decompose work.
- ✗
Risk register
Why it's wrong here
Risk register is for risks, not work decomposition.
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