During the execution phase of a project, a change request has been approved to add activities to the critical path without altering the schedule. Which of the following techniques will the project man

Bottom-up estimating is a cost or duration estimating technique that aggregates estimates from lower-level components, not a schedule compression technique.

Rolling wave planning is an iterative planning technique that elaborates plans in detail for the near term, not a method to shorten a project schedule.

Resource leveling is a technique used to optimize resource utilization, which often extends the project duration to avoid resource over-allocation, contrary to the goal of maintaining the schedule.

Fast tracking is a schedule compression technique where activities that would typically be done in sequence are performed in parallel, or their phases are overlapped. This method aims to shorten the overall project duration, allowing the project to stay on schedule even with added work on the critical path by adjusting the sequence of tasks.