Quick Answer
The answer is the project charter, as it is the authoritative document that formally authorizes a project and defines the project life cycle. The charter establishes the high-level scope, key objectives, and major deliverables, and it explicitly outlines or references the life cycle phases the project will follow, making it the correct source for determining phase structure. On the CompTIA Project+ PK0-005 exam, this concept tests your understanding of foundational project governance documents, often appearing in scenario-based questions where you must distinguish the charter from the project management plan or scope statement. A common trap is confusing the charter with the project plan, but remember: the charter defines the life cycle at a high level, while the plan details how to execute it. Memory tip: “Charter charts the course” — it sets the life cycle phases and major deliverables from the start.
This PK0-005 practice question tests your understanding of project management concepts. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A project manager is starting a new project and needs to define the project life cycle. Which document should the project manager consult to determine the phases and deliverables?
Lessons learned
Why wrong: Lessons learned are historical, not for defining phases.
Risk register
Why wrong: Risk register identifies risks, not phases.
Project charter
The project charter includes high-level project information and phases.
Work breakdown structure
Why wrong: WBS decomposes work, not phases.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Project charter
The project charter is the document that formally authorizes the project and provides the high-level scope, objectives, and key stakeholders. It typically includes or references the project life cycle phases and major deliverables, making it the correct source for defining the project life cycle.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Lessons learned
Why it's wrong here
Lessons learned are historical, not for defining phases.
Risk register
Why it's wrong here
Risk register identifies risks, not phases.
Project charter
Why this is correct
The project charter includes high-level project information and phases.
Related concept
Read the scenario before looking for a memorised answer.
Work breakdown structure
Why it's wrong here
WBS decomposes work, not phases.
Common exam traps
Cisco often tests the misconception that the work breakdown structure (WBS) defines project phases, when in fact the WBS is a scope decomposition tool created after the life cycle is established in the project charter.
Detailed technical explanation
The project charter, as defined in PMBOK, is the output of the Develop Project Charter process and includes the project purpose, measurable objectives, high-level requirements, and the project life cycle description. In practice, the life cycle model (e.g., predictive, iterative, or agile) is often explicitly stated in the charter to align stakeholder expectations from the start, ensuring all subsequent planning documents like the WBS and schedule are built on a consistent phase structure.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A practitioner preparing for the PK0-005 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Project Management Concepts — This question tests Project Management Concepts — Read the scenario before looking for a memorised answer..
The correct answer is: Project charter — The project charter is the document that formally authorizes the project and provides the high-level scope, objectives, and key stakeholders. It typically includes or references the project life cycle phases and major deliverables, making it the correct source for defining the project life cycle.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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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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