Question 900 of 980
easyMultiple ChoiceObjective-mapped
Which Document Captures Knowledge Gained During a Project to Help Future Projects?
A project manager wants to document knowledge gained during the project to help future projects. Which document should be used?
Quick Answer
The answer is the lessons learned register. This document is the correct choice because it serves as the formal repository for capturing knowledge gained during a project, systematically recording what went well, what went wrong, and actionable recommendations for improvement. By documenting these insights, the project manager directly contributes to the organization’s process assets, ensuring that future projects can benefit from past experiences and avoid repeating mistakes. On the CompTIA Project+ PK0-005 exam, this question tests your understanding of knowledge management and the distinction between the lessons learned register and other project documents like the issue log or risk register—a common trap is confusing the register with a final report, but the register is a living document updated throughout the project. To remember, think of the register as a “project diary” that captures lessons as they happen, not just at the end.
⚠ Common exam trap
The PK0-005 exam often tests the distinction between documents that track ongoing risks (risk register) versus documents that capture retrospective knowledge (lessons learned register), causing candidates to confuse the risk register as a catch-all for project documentation.
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
✓
Lessons learned register
The lessons learned register is the correct document for capturing knowledge gained during a project to benefit future projects. It systematically records what went well, what went wrong, and recommendations for improvement, directly supporting organizational process assets. The project manager uses this register to document insights that can be applied to subsequent projects, aligning with PMI's knowledge management practices.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Risk register
Why it's wrong here
The risk register tracks identified risks and responses, not lessons learned.
- ✓
Lessons learned register
Why this is correct
The lessons learned register documents knowledge gained for future use.
- ✗
Project charter
Why it's wrong here
The project charter authorizes the project and defines high-level requirements, not lessons learned.
- ✗
Scope statement
Why it's wrong here
The scope statement defines what is included in the project, not lessons learned.
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Same concept, more angles
1 more way this is tested on PK0-005
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. At the end of a project phase, the team holds a meeting to discuss what went well and what could be improved. Which document is produced from this meeting?
medium- ✓ A.Lessons learned
- B.Risk register update
- C.Project closure report
- D.Status report
Why A: The meeting at the end of a project phase is a retrospective, specifically designed to capture what went well and what could be improved. The formal document produced from this meeting is the lessons learned document, which records insights and recommendations for future phases or projects. This aligns with the PMI's definition of lessons learned as a key output of the project's monitoring and controlling processes.
Last reviewed: Jun 24, 2026
This PK0-005 practice question is part of Courseiva's free CompTIA 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 PK0-005 exam.
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