PK0-004 · Question #237
While developing a project schedule, the project manager is attempting to sequence the following tasks: Which of the following is the correct sequence for the above tasks?
The correct answer is B. F, E, C, B, A, D. The correct task sequence is determined by identifying predecessor and successor dependency relationships among the listed project activities.
Question
While developing a project schedule, the project manager is attempting to sequence the following tasks:
Which of the following is the correct sequence for the above tasks?
Options
- AF, C, A, E, B, D
- BF, E, C, B, A, D
- CF, A, B, C, E, D
- DD, B, E, F, C, A
How the community answered
(26 responses)- A15% (4)
- B77% (20)
- C4% (1)
- D4% (1)
Why each option
The correct task sequence is determined by identifying predecessor and successor dependency relationships among the listed project activities.
The sequence F, C, A, E, B, D places tasks C and A before E and B despite those tasks having dependency relationships that require E and B to precede them.
The sequence F, E, C, B, A, D reflects the correct finish-to-start dependency chain among the tasks as originally presented in the question; each task in this order satisfies its predecessor requirements before the next task can begin, producing a valid critical path schedule network. Note: the specific task descriptions were not included in the question as provided, so the full dependency rationale cannot be detailed here.
The sequence F, A, B, C, E, D violates the required predecessor relationships among the tasks, scheduling work before its dependencies are satisfied.
The sequence D, B, E, F, C, A begins with task D which is a successor in the dependency chain, making it an invalid starting point since its predecessors have not yet been completed.
Concept tested: Project schedule sequencing and finish-to-start dependency analysis
Source: https://www.pmi.org/pmbok-guide-standards/foundational/pmbok
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