New PMP Question & Answers with explanation

A project manager has just facilitated the project change control process, which yielded 10 approved change requests. What process is he likely to perform next?
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All of the following are true regarding project life cycles except for which one?
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The project management plan might require changes and updates as the Planning processes proceed. These updates are decided upon and managed through which of the following?
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An Agile project team builds their schedule by pulling features from the backlog reflected on a task board as capacity to take on work becomes available. In some cases, a feature may take two weeks to complete, while in others, it takes more. What type of delivery method does this describe?
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Alyssa is a project manager tasked with managing an infrastructure project that will consolidate five data centers into one. Alyssa is in the process of determining whether communications-related artifacts and activities that she had planned earlier had the intended effect. She also recently launched a customer satisfaction survey to get feedback on how stakeholders feel things are progressing thus far within the project. What project management process is she performing?
Select one