New PMP Question & Answers with explanation

Linda is currently drafting her project stakeholder management plan. Since she is a new hire, she is not aware of the company’s policies and procedures. If she wants to know more about the company’s general issues management procedures, where must she look?
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Key project stakeholders can significantly influence a project in many ways. During which stage of the project do these stakeholders have the maximum ability to influence a project?
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Julia is currently assessing her project stakeholders’ engagement levels. During this exercise, she finds she also needs to document an escalation process, which will come in handy in the future. Where does she need to document the project’s escalation process?
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Adaptive project lifecycles, in comparison with predictive project lifecycles, are developed with the intent of:
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A project manager first creates an assumption log during the Develop Project Charter process and records all project assumptions and constraints. During which of the following processes is the assumptions log updated and/or new assumptions and constraints added during the project execution?
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