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PK0-005 Practice Question: A project sponsor asks for a report showing the…
A project sponsor asks for a report showing the planned vs. actual cost performance. Which project document contains the necessary data to create this report?
⚠ Common exam trap
The PK0-005 exam often tests the distinction between the WBS (scope decomposition) and the cost baseline (budget allocation), leading candidates to mistakenly select the WBS because it is a familiar document, even though it lacks the cost data needed for the report.
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
✓
Cost baseline
The cost baseline is the approved version of the project budget, including contingency reserves, against which actual cost performance is measured. It provides the planned cost data (budgeted cost of work scheduled) and, when combined with actual cost data from the project's accounting system, enables the calculation of cost variance and cost performance index for the report. The sponsor's request for planned vs. actual cost performance directly requires the cost baseline as the reference document.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Stakeholder engagement plan
Why it's wrong here
Communication plan, not cost data.
- ✗
Requirements traceability matrix
Why it's wrong here
RTM traces requirements, not costs.
- ✓
Cost baseline
Why this is correct
The cost baseline provides the planned spending against which actual costs are measured.
- ✗
Work breakdown structure
Why it's wrong here
WBS defines scope, not costs.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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