ExpertHard1 markMultiple Choice
PMP · Question 55 · Task 6: Plan and manage schedule
A project manager is developing a schedule for a software project with the following activities on the critical path: Analysis (5 days), Design (8 days), Development (12 days), Testing (6 days), and Deployment (2 days). If Development can be started 3 days after Design begins (fast-tracking), what is the new critical path duration?
A project manager is developing a schedule for a software project with the following activities on the critical path: Analysis (5 days), Design (8 days), Development (12 days), Testing (6 days), and Deployment (2 days). If Development can be started 3 days after Design begins (fast-tracking), what is the new critical path duration?
Answer options:
A.
30 days
B.
28 days
C.
27 days
D.
25 days
How to approach this question
Calculate the overlap carefully: Development starts 3 days after Design begins, so there's a 3-day overlap that reduces the total duration.
Full Answer
C.27 days✓ Correct
C
With fast-tracking, Development starts 3 days into Design, creating overlap. Total duration = 5 + (8 + 12 - 3) + 6 + 2 = 27 days, saving 3 days from the original 30-day duration.
Common mistakes
Not accounting for the overlap correctly, adding the overlap instead of subtracting it, or miscalculating the parallel work duration.
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