New PMP Question & Answers with explanation

A short, time-bound period of work is also referred to as which of the following?
Select one
Agile project management can best be described as which of the following?
Select one
Which of the following best describes the purpose of the Monitoring and Controlling process group?
Select one
Your project has kicked off, and you are beginning a series of overview sessions with key users to determine requirements for a new enterprise resource software implementation. One of your stakeholders is exceptionally contentious and throws obstacles up at every turn. One of the problems she has described does seem to be legitimate. There is an issue with the data from the legacy system that needs to be resolved before moving forward. The PMO you report to practices phase sequencing and requires closure of each phase before the next phase can begin. What is this process called?
Select all right
Which of the following characteristics do all project life cycles share?
Select one