New PMP Question & Answers with explanation

The organization's safety and health policy, ethics policy, project policy, and quality policy can be used by a project to influence its success. All these policies are a part of:
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The Stakeholder Committee has a report that shows zero schedule variance. However, the first milestone in the project was missed, which will cause a delay in the project. Which of the following was not reported correctly?
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During the execution of a project, the project manager discovers the project’s stakeholder register is no longer accurate. What should the project manager do?
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You are just starting on a project as project manager. The project sponsor asks you for weekly status updates by email and monthly project status meetings to review the project’s progress. These requirements are documented in the:
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The project manager of a long-term project to develop a new medical device waits until the later phase where the deliverables are more clearly defined before adding those details to the WBS. This is an example of:
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