ExpertHard1 markMultiple Choice
PMP · Question 90 · Task 6: Plan and manage schedule
A project manager is developing a schedule for a complex integration project. The critical path includes: Requirements Analysis (4 days), System Design (10 days), Development (15 days), Integration Testing (8 days), and User Acceptance Testing (5 days). If Integration Testing can begin 3 days before Development is complete (fast-tracking), what is the new critical path duration?
A project manager is developing a schedule for a complex integration project. The critical path includes: Requirements Analysis (4 days), System Design (10 days), Development (15 days), Integration Testing (8 days), and User Acceptance Testing (5 days). If Integration Testing can begin 3 days before Development is complete (fast-tracking), what is the new critical path duration?
Answer options:
A.
42 days
B.
40 days
C.
39 days
D.
37 days
How to approach this question
Calculate the overlap carefully: Integration Testing starts 3 days before Development ends, creating a 3-day overlap that reduces total duration.
Full Answer
C.39 days✓ Correct
C
With fast-tracking, Integration Testing starts 3 days before Development completes, creating overlap. Total duration = 4 + 10 + (15 + 8 - 3) + 5 = 39 days, saving 3 days from the original 42-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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