CAPM (Certified Associate in Project Management) Practice Exam

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Tree diagrams may be used to represent all of the following decomposition hierarchies EXCEPT:

  1. WBS

  2. RBS

  3. OBS

  4. PBS

The correct answer is: PBS

Tree diagrams may be used to represent Work Breakdown Structure (WBS), Resource Breakdown Structure (RBS), and Organizational Breakdown Structure (OBS) decomposition hierarchies. However, tree diagrams are not typically used to represent Product Breakdown Structure (PBS) decomposition hierarchy. The Product Breakdown Structure is more commonly represented using a hierarchical list of all the deliverables of the project.