PMI PMI Project Scope & WBS Management 1 — Questions and Answers
Question 1: What is the primary purpose of a Work Breakdown Structure (WBS)?
- To assign resources to tasks
- To decompose project scope into manageable components (Correct answer)
- To track project costs
- To identify project risks
Correct answer: To decompose project scope into manageable components
A WBS decomposes the total project scope into smaller, manageable work components called work packages.
Question 2: What is the lowest level of a WBS called?
- Deliverable
- Phase
- Work package (Correct answer)
- Activity
Correct answer: Work package
The work package is the lowest level of the WBS where cost and schedule can be reliably estimated and controlled.
Question 3: Which process formally authorizes a project or a phase?
- Develop Project Charter (Correct answer)
- Define Scope
- Create WBS
- Validate Scope
Correct answer: Develop Project Charter
The Develop Project Charter process formally authorizes the project and documents initial requirements and the PM's authority.
Question 4: What document formally defines what is and is not included in the project?
- Project Charter
- Project Scope Statement (Correct answer)
- WBS Dictionary
- Requirements Documentation
Correct answer: Project Scope Statement
The Project Scope Statement describes the project's deliverables and required work, including explicit exclusions.
Question 5: What is scope creep?
- Planned scope additions approved by leadership
- Uncontrolled expansion of project scope without proper approval (Correct answer)
- A scheduled reduction in project scope
- Change requests formally approved by the sponsor
Correct answer: Uncontrolled expansion of project scope without proper approval
Scope creep refers to uncontrolled changes or continuous growth in project scope without going through the change control process.
Question 6: Which process ensures the project includes all the work required, and only the work required?
- Collect Requirements
- Define Scope
- Control Scope (Correct answer)
- Plan Scope Management
Correct answer: Control Scope
Control Scope monitors project and product scope and manages changes to the scope baseline to prevent unauthorized additions.
What is the primary purpose of a Work Breakdown Structure (WBS)?