What is a deliverable-oriented hierarchical decomposition of the work to be executed to accomplish the project objectives and create the required deliverables?

Question

Options

• AOrganizational Breakdown Structure (OBS)
• BWork Performance Information
• CWork Package
• DWork Breakdown Structure (WBS)

• A
  3% (2)
• B
  7% (4)
• C
  14% (8)
• D
  76% (44)

Explanation

Work Breakdown Structure (WBS) is defined precisely as a deliverable-oriented hierarchical decomposition of work required to accomplish project objectives - the definition in the question is essentially lifted word-for-word from the PMBOK Guide, making D the unambiguous answer.

The distractors are wrong for distinct reasons: an Organizational Breakdown Structure (OBS) is a hierarchical decomposition of the organization (teams, departments, roles), not the work itself; Work Performance Information refers to analyzed status data about project execution (schedule variances, cost performance, etc.); and a Work Package is actually the lowest level of the WBS - a single node within it, not the structure as a whole.

Memory tip: Think of WBS as "What needs to Be Structured" - it breaks deliverables into manageable chunks, answering what will be produced, not who does it (OBS) or how well it's going (Work Performance Information).

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