New PMP Question & Answers with explanation

A project has gone out of control, and the project manager is trying to bring it back under control. There have been a number of changes to the project scope. Some of these changes resulted in further changes, causing project cost to spiral upward and causing the project to go out of schedule. This is known as:
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You recently took over a project as the project manager. This is your first project management assignment. The project sponsor is very supportive and is helping you out in successfully managing the project. Recently, some bad quality deliverables were received on the project, and the project sponsor suggested that you to periodically review the vendor’s progress to deliver project scope and quality, within cost and on schedule, as compared to the contract. Which of the following statements is true in this context?
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In predictive projects, the scope baseline for the project is used to analyze a project’s scope performance. On the other hand, projects with adaptive lifecycles use:
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Which of the following graphical techniques visually depict the product scope by showing a business system and how other systems interact with it?
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You just sat through an exhausting change control meeting discussing a change in scope to the project you have worked on for the past seven months. After lengthy discussion, the change in scope was approved. As the Project Manager, you should now update all the following documentation, except:
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