easyMultiple Choice
PK0-005 Practice Question: Which document breaks down the project…
Which document breaks down the 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 sequences activities), so candidates mistakenly choose the schedule because they think 'breaking down into components' refers to task decomposition rather than deliverable decomposition.
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 correct document because it hierarchically decomposes the total scope of work into smaller, more manageable work packages. This decomposition is a core deliverable-oriented grouping that enables accurate cost estimation, resource allocation, and schedule development. The WBS is defined in the PMBOK Guide as a 'deliverable-oriented hierarchical decomposition of the work to be executed by the project team.'
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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Project schedule
Why it's wrong here
The schedule sequences activities over time; it does not decompose deliverables into manageable components. It is tempting because schedules list work packages, and the schedule is the right artefact when the requirement is to show timing, dependencies and durations rather than deliverable decomposition.
- ✓
Work breakdown structure
Why this is correct
The work breakdown structure decomposes project deliverables into progressively smaller, manageable components, satisfying the stem's requirement for hierarchical breakdown. Unlike a schedule or charter, the WBS focuses purely on scope decomposition, providing the foundational framework from which tasks, estimates and assignments are later derived.
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Risk register
Why it's wrong here
The risk register records identified risks with their analysis and responses, not deliverable decomposition. It is tempting because work packages can carry risk, and the register is correct when the requirement is to document threats, owners and mitigation actions rather than break deliverables into components.
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Project scope statement
Why it's wrong here
The scope statement records the approved project scope, deliverables and boundaries; it does not decompose them. Decomposition into smaller, manageable components is performed by the work breakdown structure. The scope statement is tempting because it lists deliverables, but it stays at summary level rather than breaking them down.
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Senior Network & Security Engineer · founder of Courseiva
This PK0-005 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PK0-005 exam.