CAPM Predictive Plan-Based Methodologies Practice Question
In a predictive project life cycle, which three of the following are characteristics of a work breakdown structure (WBS)? (Choose three)
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
✓
The lowest level is called a work package.
A WBS is hierarchical, decomposes scope to the work package level, and ensures all deliverables are identified. It does not assign roles or include cost estimates.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
It is used to assign project roles and responsibilities.
Why it's wrong here
Roles and responsibilities are documented in the RAM or RACI, not the WBS.
- ✓
The lowest level is called a work package.
Why this is correct
Correct: Work packages are the lowest level of the WBS.
- ✓
It ensures that all deliverables are identified.
Why this is correct
Correct: The WBS encompasses all deliverables of the project.
- ✓
It is a hierarchical decomposition of the total scope of work.
Why this is correct
Correct: The WBS is a hierarchical breakdown of the project's work.
- ✗
It includes cost estimates for each element.
Why it's wrong here
Cost estimates are separate; the WBS provides the framework for estimating.
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