CBAP · Question #125
Which of the following is a visual decomposition of the program scope and the resources needed in order to create the things defined within the program scope?
The correct answer is A. Resource breakdown structure (RBS). The Resource Breakdown Structure (RBS) visually decomposes the program scope alongside the resource categories needed to deliver the work defined within it.
Question
Which of the following is a visual decomposition of the program scope and the resources needed in order to create the things defined within the program scope?
Options
- AResource breakdown structure (RBS)
- Bproduct breakdown structure (PBS)
- CBudgeted Cost of Work Scheduled (BCWS)
- DWork Breakdown Structure (WBS)
How the community answered
(33 responses)- A85% (28)
- B3% (1)
- C9% (3)
- D3% (1)
Why each option
The Resource Breakdown Structure (RBS) visually decomposes the program scope alongside the resource categories needed to deliver the work defined within it.
The RBS is a hierarchical chart that breaks down a program's scope by organizing the resources - by category and type - required to produce each component defined within that scope. It gives project managers a visual mapping of resource requirements tied directly to the program scope. This makes it the appropriate tool when the goal is to decompose both the scope and the resources needed to fulfill it.
A Product Breakdown Structure (PBS) decomposes only the products or deliverables of a project, not the resources required to produce them.
Budgeted Cost of Work Scheduled (BCWS) is an earned value management metric representing the planned cost of scheduled work, not a visual decomposition structure.
A Work Breakdown Structure (WBS) decomposes project deliverables and work packages into smaller components but does not organize or identify the specific resources needed to create them.
Concept tested: Resource Breakdown Structure in program scope decomposition
Source: https://www.pmi.org/pmbok-guide-standards/foundational/pmbok
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