PK0-005 Tools and Documentation Practice Question
Which document defines the communication requirements, including who needs what information, when, and how?
⚠ Common exam trap
PK0-005 often tests the confusion between the stakeholder register and the communication plan; the trap is that both involve stakeholders, but only the communication plan specifies what, when, and how information is delivered.
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
✓
Communication plan
The communication plan is the project document that defines who needs what information, when they need it, and through which channel. It captures stakeholder communication requirements, frequency, format, and responsible parties. This directly matches the question's wording about communication requirements.
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 register
Why it's wrong here
The stakeholder register records stakeholder identification, interests and influence; it does not define information needs, timing or delivery channels. It tempts because stakeholders are communication recipients, but the communications management plan specifies who needs what, when and how.
- ✓
Communication plan
Why this is correct
The communication plan specifies stakeholder information needs, detailing who receives what information, when, and through which channel. It directly satisfies the stem's three constraints: audience, timing, and delivery method, unlike the charter or stakeholder register, which do not define these communication logistics.
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RACI matrix
Why it's wrong here
A RACI matrix assigns responsibility, accountability, consultation and informed roles per task; it does not specify information content, timing or delivery method. It tempts because it maps people to work, but communication requirements belong in the communications management plan.
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Project charter
Why it's wrong here
The project charter authorises the project and names the project manager; it does not detail who receives what information, when and how. It tempts because it is a foundational document, but communication requirements are defined in the communications management plan.
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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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