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PK0-005 Practice Question: Which TWO tools are commonly used for schedule…
Which TWO tools are commonly used for schedule management? (Select TWO.)
⚠ Common exam trap
PK0-005 often tests the confusion between quality management tools (control chart, Pareto chart) and schedule management tools, as well as responsibility assignment tools (RACI), so candidates must clearly distinguish their purposes.
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
✓
Network diagram
A network diagram (C) is a standard schedule management tool because it models activities and their logical dependencies (e.g., finish-to-start relationships) and supports critical path analysis to determine project duration and float. A Gantt chart (D) is likewise a core scheduling tool, displaying activities as horizontal bars against a timeline to show start and finish dates, durations, and progress. Both are explicitly used in the PMBOK schedule management processes for developing and controlling the schedule. The unmarked options do not belong: a control chart (A) monitors process stability and variation in quality management, a Pareto chart (B) prioritizes problems by frequency in quality management, and a RACI matrix (E) is a responsibility assignment tool for resource management, not scheduling.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Control chart
Why it's wrong here
Control charts monitor process stability and variation over time, a quality management tool, not schedule sequencing or progress tracking. They belong in quality control; schedule management uses critical path method, Gantt charts and network diagrams.
- ✗
Pareto chart
Why it's wrong here
Pareto charts rank defect causes by frequency to prioritise quality improvements, offering no schedule sequencing or dependency logic. They belong in quality management; schedule management relies on critical path analysis, Gantt charts and precedence diagrams.
- ✓
Network diagram
Why this is correct
A network diagram visualises task dependencies and the critical path, directly supporting schedule management by mapping the logical sequence of activities. This satisfies the constraint of identifying which tasks must be completed before others can begin, enabling accurate timeline calculation and resource levelling.
- ✓
Gantt chart
Why this is correct
A Gantt chart displays tasks as horizontal bars against a calendar timeline, showing durations, start and finish dates, dependencies, and progress. This visual format makes it a core schedule management tool for planning and tracking project timelines.
- ✗
RACI matrix
Why it's wrong here
A RACI matrix assigns responsibility, accountability, consult and inform roles to people for tasks; it does not sequence activities, allocate durations or track progress. It is tempting because it supports resourcing and governance, and would be correct when clarifying who owns each deliverable, not for building the schedule.
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Last reviewed September 2026 · checked against the official CompTIA exam blueprint
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