New PMP Question & Answers with explanation

During which stages of a project should the project manager be most active in managing project stakeholders’ needs and expectations?
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Increasing the number of resources in order to crash a project schedule does not always cut the time by the same factor. In worst cases, too many resources assigned to an activity may actually increase the activity duration. This is because:
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In order to facilitate project configuration and change management on complex projects, a project manager relies on configuration and change management tools. Such tools:
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During the Manage Stakeholder Engagement process, a number of project documents might get updated. Which of the following project documents get updated the most during this process?
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During the development of the project stakeholder engagement plan, the project manager is usually dependent on the expert judgment of senior stakeholders to identify and plan effective stakeholder management strategies. Which of the following stakeholders cannot guide the project manager in developing effective strategies for internal stakeholders?
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