Which of the following allows activities to be done in parallel that would normally be...

Fast tracking is a technique for compressing project schedule. In fast tracking, phases are overlapped that would normally be done in sequence. It is shortening the project schedule without reducing the project scope.

Answer option D is incorrect. Crashing is a process in that the project manager adds more resources to effort-driven activities in an attempt to shorten their duration.

Answer option A is incorrect. A lag time is a delay between the predecessor and the successor tasks. Sometimes it may be needed to schedule a delay between the predecessor and the successor tasks. For example, if two coats of paint are required to paint a car, then the final coat should be applied only when the first coat dries. This delay is known as the lag time. The lag time is entered as a positive value. The lag time can be entered as a duration or as a percentage of the predecessor's task duration. It is entered on the Predecessor tab in the Task Information dialog box.

Answer option B is incorrect. A lead time is the time that overlaps between the predecessor and the successor tasks. The successor task can start before the predecessor task finishes. For example, if a task can start when its predecessor is one-fourth finished, a finish-to-start dependency with a lead time of 25 percent for the successor task can be specified. The lead time is entered as a negative value. The lead time can be entered as a duration or as a percentage of the predecessor's task duration. It is entered on the Predecessor tab in the Task Information dialog box.