PK0-005 Project Management Concepts Practice Question
A project manager is closing out a completed infrastructure upgrade project. The PM must ensure the project is closed in an orderly way and that lessons from the effort are preserved for future work. Which TWO activities belong to the closing phase? (Choose two.)
⚠ Common exam trap
The trap here is treating any administrative or documentation task as a closing activity, when baselining, decomposition, and vendor selection all occur during planning rather than at project termination.
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
✓
Archiving project documents and recording lessons learned in the organizational knowledge base
Closing includes obtaining formal acceptance of the final product and transferring knowledge through archived records and lessons learned, as well as releasing resources and settling contracts. Baselining, decomposition, and vendor selection all belong to planning or earlier procurement activities that must be finished long before closure. The two activities that terminate the project while preserving its value for the organization are acceptance and knowledge archiving.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Archiving project documents and recording lessons learned in the organizational knowledge base
Why this is correct
Archiving records and capturing lessons learned preserves organizational process assets so future projects can avoid repeated mistakes and reuse effective practices. This transfer of knowledge is explicitly part of closing, alongside releasing resources and finalizing contracts. It ensures the value of the project extends beyond its own timeline.
- ✗
Baselining the project schedule and cost estimates
Why it's wrong here
Baselining the schedule and cost occurs during planning, once estimates are approved and the project moves toward execution. Baselines must exist before performance can be measured, so performing this at closing would be far too late. It has no role in terminating a completed infrastructure upgrade.
- ✓
Obtaining formal acceptance of the final deliverables from the customer
Why this is correct
Formal acceptance confirms the customer agrees the deliverables meet requirements, which is a required closing activity before the project can be terminated. Without documented sign-off, the project cannot be considered complete, and any later warranty or defect claims become difficult to resolve. It also releases the team and triggers final invoicing, making it a core part of closing.
- ✗
Decomposing deliverables into work packages for assignment
Why it's wrong here
Decomposition into work packages is part of creating the work breakdown structure during planning. It defines the total scope of work and supports estimating and assignment, all of which precede execution. Doing this at closing would be meaningless because the work has already been delivered and accepted.
- ✗
Negotiating the contract terms and selecting the primary vendor
Why it's wrong here
Negotiating terms and selecting vendors happens during planning and procurement, well before work begins. At closing, the PM instead verifies that contractual obligations were met and settles any open claims or final payments. Selecting a vendor during closing would invert the normal sequence of the project life cycle.
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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 CompTIA exam blueprint
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