The following tasks are required to complete an IT project that is behind schedule: Which of the following is the critical path?

The correct answer is A. 3, 2, 4. The critical path is the longest sequence of dependent tasks from start to finish that determines the minimum project duration. Without slack, any delay on this path delays the entire project. Based on the task durations and dependencies implied by the answer choices, the path…

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Question

The following tasks are required to complete an IT project that is behind schedule:

Which of the following is the critical path?

Exhibits

Options

A3, 2, 4
B4, 2, 3
C3, 2, 1, 4
D4, 1, 2, 3

How the community answered

(28 responses)

A
71% (20)
B
11% (3)
C
4% (1)
D
14% (4)

Explanation

The critical path is the longest sequence of dependent tasks from start to finish that determines the minimum project duration. Without slack, any delay on this path delays the entire project. Based on the task durations and dependencies implied by the answer choices, the path through Tasks 3 → 2 → 4 yields the longest total duration compared to paths 4→2→3 or the four-task alternatives. The critical path is always the path with zero float/slack and the greatest total duration. Options C and D introduce additional tasks (Task 1) that represent shorter or parallel paths.

Topics

#critical path#network diagram#path duration#schedule analysis

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