New PMP Question & Answers with explanation

Which of the following should you not use as an input into creating the WBS structure?
Select one
The Requirements Traceability Matrix helps in tracing all the following except:
Select one
A project manager scheduled a review at the end of a phase, with the objective of obtaining authorization to close the current project phase and initiate the next phase. Which of the following is an incorrect way of describing this review?
Select one
The most detailed level of the WBS is the _______________ .
Select one