CAPM Predictive Plan-Based Methodologies Practice Question
During the planning phase of a predictive project, the project manager notices that the project schedule does not include all required deliverables. What is the most appropriate action to address this gap?
⚠ Common exam trap
CAPM often tests the principle that the WBS is the foundation for schedule and cost planning — the trap is jumping to fix the schedule or charter directly instead of tracing the gap back to the WBS.
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
✓
Review the work breakdown structure (WBS) to ensure all deliverables are represented.
The WBS decomposes the project scope into deliverables and work packages; if the schedule is missing deliverables, the root cause is likely an incomplete WBS. Reviewing the WBS ensures all deliverables are identified and represented before updating the schedule. This aligns with the PMBOK principle of verifying scope before schedule development.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Update the schedule to include the missing deliverables directly.
Why it's wrong here
Editing the schedule directly bypasses the Perform Integrated Change Control process and the approved scope baseline, so the added deliverables lack authorisation and traceability. It tempts because schedule updates feel routine, and would be right for a minor correction within the existing baseline rather than a scope gap.
- ✗
Request a change to the project charter to accommodate the missing deliverables.
Why it's wrong here
The project charter authorises the project and names the project manager; it does not enumerate deliverables, so amending it cannot close a schedule gap. It tempts because charter changes sound authoritative, and would be correct if the project's very authorisation or high-level objectives were in question.
- ✗
Review the scope statement and add more resources to the project.
Why it's wrong here
Adding resources addresses schedule duration, not missing scope; the gap is that deliverables were omitted from the schedule, so the scope statement and WBS must be verified first. It tempts because resource levelling is a familiar schedule remedy, and would be correct if the deliverables were already baselined but under-resourced.
- ✓
Review the work breakdown structure (WBS) to ensure all deliverables are represented.
Why this is correct
The WBS decomposes the total project scope into deliverables, so any missing deliverable indicates an incomplete WBS. Reviewing and correcting it ensures every required output is captured before the schedule is baselined, closing the gap at its source rather than patching the schedule.
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Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official PMI exam blueprint
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