New PMP Question & Answers with explanation

What brings together a set of tools and techniques to describe, organize, and monitor the work of project activities?
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A project manager has just been assigned to a newly approved project and has been tasked with developing the first draft of the project charter. To better understand the financials, the project manager decides to review the net present value and payback period calculated for the project. Which of the following can the project manager reference for this information?
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A method of managing projects in small, incremental portions of work that can be easily assigned and completed within a short period of time describes what methodology?
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Which of the following is true?
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Phase endings are characterized by which of the following?
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