New PMP Question & Answers with explanation

The on-demand scheduling approach used in agile environments is based on the theory-of-constraints and pull-based scheduling concepts from lean manufacturing to limit a team’s work in progress. This is also called:
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Which of the following PMBOK processes is about using existing knowledge and creating new knowledge to achieve the project’s objectives and contribute to organizational learning?
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You have overheard two functional managers arguing about the impacts that your project will have on their departments. What is your best response?
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Lucy is managing a website development project in an agile environment. She wants to create a burndown chart to present the project’s progress to the stakeholders. She adds a diagonal line representing the ideal burndown and a line for daily actual remaining work. She now needs to show the likely variance at the iteration completion. What should she do?
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In an agile approach to project management, requirements classified as “epics” are decomposed into:
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