ITPEC IP April 2023 Question 53
ITPEC IP April 2023 — Question 53 of 100
WBS decomposition should continue until work packages are small enough for cost and duration to be estimated and for the work to be assigned and controlled. The appropriate level varies with risk, complexity, and management needs. Decomposition makes the full scope visible and provides units for scheduling, budgeting, responsibility, and progress measurement.
Answer (a)
Why not others:
- (b) the customer must still ensure contracted scope is completely represented and controlled
- (c) project-management work such as progress meetings is part of project scope and can appear in the WBS
- (d) experience from similar projects informs decomposition but does not eliminate the need to tailor it
Key rule: Decompose until each work package is estimable, assignable, monitorable, and meaningful for control.
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