CAPM Predictive Plan-Based Methodologies Practice Question
A project manager needs to decompose the project scope into smaller, more manageable components to provide a framework for detailed planning. Which technique should the project manager use?
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 tool used to decompose scope into work packages. Option A is wrong because the RACI matrix is for responsibility assignment, not decomposition. Option B is wrong because the Critical Path Method (CPM) is for schedule analysis, not decomposition. Option D is wrong because the Gantt chart is for scheduling, not decomposition.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
RACI matrix
Why it's wrong here
The RACI matrix is for responsibility assignment, not decomposition of scope.
- ✗
Critical Path Method (CPM)
Why it's wrong here
The Critical Path Method (CPM) is for schedule analysis, not decomposition.
- ✓
Work Breakdown Structure (WBS)
Why this is correct
The WBS breaks down the project scope into work packages for detailed planning.
- ✗
Gantt chart
Why it's wrong here
A Gantt chart is for scheduling, not decomposition.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CAPM practice question is part of Courseiva's free PMI 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 CAPM exam.