Six Sigma Global Institute (SSGI) Project Management Professional Certification Practice Exam

What visual tool displays increasing levels of detail for scheduling tasks in a project?

1. Gantt Chart

2. Work Breakdown Structure

3. Flow Diagram

4. Network Diagram

The correct answer is: Work Breakdown Structure

The Work Breakdown Structure (WBS) is the correct visual tool that displays increasing levels of detail for scheduling tasks in a project. The WBS is a hierarchical decomposition of the total scope of work to accomplish project objectives and create the deliverables. It breaks down large tasks into smaller, more manageable components, providing a structured view of the entire project. This hierarchical arrangement enables project managers and teams to understand the relationship between tasks and helps in estimating the time and resources required for each element. By organizing tasks into a tree-like structure, the WBS facilitates better management of complex projects, allowing for detailed planning and scheduling based on the specific deliverables identified. It serves as a foundation for further planning activities, including defining schedules and assigning resources, making it an essential tool in project management. The other options serve different purposes in project management. A Gantt Chart provides a visual timeline for tasks, showing their start and end dates but does not break tasks down into hierarchies. A Flow Diagram illustrates the sequence of activities or processes but doesn't focus on the hierarchical details. A Network Diagram shows the dependencies and relationships among tasks but lacks the structured breakdown that the WBS offers.