PK0-005 Tools and Documentation Practice Question
A project manager is creating a visual representation of the project schedule that shows tasks as horizontal bars along a timeline, including dependencies and milestones. Which tool is being used?
⚠ Common exam trap
Watch out — candidates often confuse a milestone chart with a Gantt chart because both use a timeline, but a milestone chart omits task durations and dependencies, which are essential to the description in the question.
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
✓
Gantt chart
The Gantt chart is the correct tool because it visually represents a project schedule with horizontal bars plotted against a timeline, where each bar corresponds to a task, and it can display dependencies (via arrows or linking lines) and milestones (as diamond symbols). This aligns directly with the description in the question, making it the standard choice for schedule visualization in project management.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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Control chart
Why it's wrong here
A control chart plots process measurements over time with control limits to detect variation, so it cannot represent tasks, dependencies or milestones. It is tempting because it is also a time-based visual, and it would be correct for monitoring quality during quality control, not for scheduling.
- ✗
Network diagram
Why it's wrong here
A network diagram shows tasks as boxes linked by dependency arrows, not as horizontal bars along a timeline. It is tempting because it does capture dependencies, and it would be correct for analysing the critical path, but it lacks the bar-and-timeline format the scenario requires.
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Milestone chart
Why it's wrong here
A milestone chart plots only milestones as points on a timeline, so it cannot show tasks as horizontal bars with dependencies. It is tempting because milestones do appear in the required view, but that chart type is used to communicate key dates to stakeholders, not to schedule work.
- ✓
Gantt chart
Why this is correct
A Gantt chart plots tasks as horizontal bars against a calendar timeline, with dependency links between bars and milestone markers at key dates. This satisfies every element the stem requires: horizontal bars, timeline, dependencies and milestones.
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