PMBOK PMBOK Scope and WBS Development Questions and Answers 2 — Questions and Answers
Question 1: What is the primary purpose of a Work Breakdown Structure (WBS) dictionary?
- To describe the details of each WBS component (Correct answer)
- To list project risks associated with each deliverable
- To assign resources to work packages
- To define the project schedule baseline
Correct answer: To describe the details of each WBS component
The WBS dictionary provides detailed information about each component, including descriptions, acceptance criteria, and responsible organizations.
Question 2: Which process is responsible for formalizing acceptance of completed project deliverables?
- Control Scope
- Validate Scope (Correct answer)
- Define Scope
- Collect Requirements
Correct answer: Validate Scope
Validate Scope is the process of formalizing acceptance of the completed project deliverables with the customer or sponsor.
Question 3: What is the lowest level of the WBS called?
- Activity
- Work package (Correct answer)
- Control account
- Planning package
Correct answer: Work package
The work package is the lowest level of the WBS and represents the point at which cost and duration can be reliably estimated.
Question 4: A project manager notices that stakeholders keep requesting features not in the original scope. Which document should be referenced first to evaluate these requests?
- Project charter
- Scope baseline (Correct answer)
- Risk register
- Stakeholder engagement plan
Correct answer: Scope baseline
The scope baseline, which includes the scope statement, WBS, and WBS dictionary, is the primary reference for evaluating whether change requests fall within or outside the agreed scope.
Question 5: What technique involves subdividing project deliverables into smaller, more manageable components?
- Rolling wave planning
- Decomposition (Correct answer)
- Precedence diagramming
- Parametric estimating
Correct answer: Decomposition
Decomposition is the technique used in Create WBS to divide project deliverables and work into smaller, more manageable pieces.
Question 6: In scope management, what is the 100% rule?
- All project work must be completed within budget
- The WBS must include 100% of the work defined by the project scope (Correct answer)
- All stakeholders must approve 100% of requirements
- Every work package must be assigned to exactly one team member
Correct answer: The WBS must include 100% of the work defined by the project scope
The 100% rule states that the WBS must capture 100% of all project work, ensuring nothing is omitted or duplicated.
What is the primary purpose of a Work Breakdown Structure (WBS) dictionary?