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RCDD · Question #172

If a work breakdown structure (WBS) shows the tasks below, what is C, the successor task?

The correct answer is A. Hold inspection. In a project WBS, a successor task follows the completion of predecessor work. Holding an inspection is the logical successor because it validates completed installation before project closeout.

Design, Implementation, and Management

Question

If a work breakdown structure (WBS) shows the tasks below, what is C, the successor task?

Options

  • AHold inspection
  • BCreate budget
  • CConduct safety meeting
  • DPerform site survey

How the community answered

(22 responses)
  • A
    77% (17)
  • B
    5% (1)
  • C
    14% (3)
  • D
    5% (1)

Why each option

In a project WBS, a successor task follows the completion of predecessor work. Holding an inspection is the logical successor because it validates completed installation before project closeout.

AHold inspectionCorrect

A formal inspection is the successor activity that confirms all preceding physical work meets specified requirements before the project can advance to the next phase or closeout. In structured cabling and IT projects, inspection follows installation tasks as the verification gate - it cannot occur until the work it is inspecting is complete, and it must occur before the project is accepted or handed off to the owner.

BCreate budget

Creating a budget is a pre-project planning activity that must occur before any field work begins, making it a predecessor rather than a successor task.

CConduct safety meeting

Conducting a safety meeting is a pre-work activity performed before field tasks commence to brief workers on hazards, not after work is completed.

DPerform site survey

Performing a site survey is a preliminary assessment that occurs early in the project lifecycle before design or installation begins, placing it far earlier in the sequence as a predecessor activity.

Concept tested: WBS successor task identification and sequencing

Source: https://www.pmi.org/pmbok-guide-standards/foundational/pmbok

Topics

#work breakdown structure#task sequencing#successor tasks#project scheduling

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