New PMP Question & Answers with explanation

Julia is managing a complex industrial process reengineering project. She has identified all her key project stakeholders and has conducted individual interviews with them to identify other project stakeholders, as well. However, Julia is still not satisfied with her project’s stakeholders list; she believes there may be more key external stakeholders missing from the list. What can help Julia in this situation?
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Diana is managing the development of a mobile phone application. Half the project work has been completed. Diana is currently reviewing her stakeholder engagement plan. She finds that some of the resisting stakeholders have now become supportive. How should Diana update her stakeholder engagement plan?
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Greg’s project is in the initiating stage. The sponsor of the project has asked Greg to present a list of the identified project stakeholders at the next project update meeting. The sponsor has also asked Greg to present the project stakeholders’ current and desired engagement levels so they can brainstorm on the stakeholder engagement strategy. Which of the following is a presentation tool that can help Greg summarize all this information in a tabular format?
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Jennifer has recently been asked to manage an office refurbishment project. She finds out that the chief financial officer of the company is resisting the project. The chief financial officer is a key project stakeholder. What must Jennifer do first?
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Sandra is managing a new supersonic aircraft design project. This is a massive project, and its success is hugely important for her organization. For such mission-critical projects, which of the following is the most desirable engagement level for all major stakeholders?
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