CompTIA Project+ (PK0-005)Project Life Cycle PhasesMedium
A project manager is leading a complex IT infrastructure upgrade. Multiple teams are involved, and their interdependencies are high. To ensure that everyone understands who is responsible for each task and how their work integrates, the project manager creates a detailed graphical representation of the logical sequence of project activities. What is this representation called?
- ANetwork Diagram
- BGantt Chart
- CResource Histogram
- DWork Breakdown Structure (WBS)
Show answer & explanationAnswer & explanation
Correct answer: A. Network Diagram
A network diagram (or project network diagram) is a graphical representation of the sequence of activities in a project, showing their dependencies and logical relationships. It is crucial for understanding activity flow, identifying the critical path, and managing complex interdependencies.
Why the other options are wrong
- B. A Gantt chart is a bar chart showing activities against time, useful for scheduling but less explicit about logical dependencies than a network diagram.
- C. A resource histogram shows resource allocation over time, not the sequence of activities.
- D. The WBS breaks down the project scope into hierarchical deliverables, not the logical sequence of activities.
Network Diagram
A graphical representation of the logical relationships and sequence of project activities.
- Shows activity dependencies (e.g., finish-to-start).
- Used to determine the critical path and project duration.
- Visualizes the flow of work in a project.
Memory trick: Network diagrams link tasks like a chain, showing the flow.