PMI Exam PMI-SP Topic 5 Question 102 Discussion

The critical path is the path in the project network diagram with the longest duration. In project management, a critical path is the sequence of project network activities which add up to the longest overall duration. This determines the shortest time possible to complete the project. Any delay of an activity on the critical path directly impacts the planned project completion date (i.e. there is no float on the critical path). In this instance path ACGIJ is the longest as it takes 23 days.

Answer options C and D are incorrect. These paths take 13 days. Answer option A is incorrect. This path only takes 19 days.