New PMP Question & Answers with explanation

Which of the following best describes the purpose of the project management plan?
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You are using the tools and techniques of the Control Schedule process and know all of the following are true except for which one?
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A project manager is managing a project working to produce a fitness tracking device. He has just finished getting the project authorized and analyzing stakeholder needs and expectations. What activity is he likely to perform next?
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Carina is a principal project manager of You’ve Got Dogs, a specialty company that creates custom dog apparel and toys. She has just finished developing the project charter of a project that will create a new line of high-tech dog bones. What is the significance of the project charter?
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Your organization uses a predicative approach to managing projects. You have recently kicked off your project, and you are beginning a series of overview sessions with key users to determine requirements for a new enterprise resource software implementation. What process group are the activities you are performing in?
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