hardMultiple ChoiceObjective-mapped
PK0-005 Practice Question: A project manager is reviewing the project's…
A project manager is reviewing the project's critical path. Two tasks on the critical path have float of zero, and a third task has a float of three days. The sponsor asks to compress the schedule by two days. Which action should the PM take?
⚠ Common exam trap
The trap here is that candidates mistakenly think any task with float can be compressed to reduce schedule, but only tasks on the critical path with zero float directly impact project duration.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Apply crashing only to tasks on the critical path with zero float.
Schedule compression must focus on the critical path to reduce project duration. Tasks with zero float are on the critical path, so crashing them (adding resources or overtime) can directly shorten the schedule. The task with three days of float is not on the critical path, so compressing it would not reduce overall project duration.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Apply fast-tracking to the task with three days of float.
Why it's wrong here
Fast-tracking a non-critical task does not affect the project duration.
- ✓
Apply crashing only to tasks on the critical path with zero float.
Why this is correct
Crashing critical path tasks with zero float directly reduces project duration.
- ✗
Reduce the scope of tasks with the largest float.
Why it's wrong here
Reducing scope may change project objectives, and it's not a schedule compression technique.
- ✗
Add resources to all tasks on the critical path.
Why it's wrong here
Adding resources to all tasks may be inefficient; focus on specific tasks that can be crashed.
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