What is the critical path for this project? How do you know?

What will be an ideal response?

The critical path is 1-3-5-6-7, as shown on both the Gantt chart and the network diagram. In this view of the Gantt chart, the slack time for Tasks 2 and 5 is displayed. This information is valuable to a project manager, who might want to shift resources from a non-critical task to one which could potentially delay the project