New PMP Question & Answers with explanation

A critical project rollout was delayed because one of the stakeholders did not receive necessary communication on time. On further analysis, the project manager discovered that the communication was sent to the wrong teams. This could have happened because:
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Lena is managing the construction of a new office facility for her company. The project is halfway through the execution. The project sponsor has asked Lena to ensure that all key project stakeholders are still committed to the project. How can Lena assess the stakeholders' current engagement levels?
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You have recently been assigned to a research project. Although there is a limited number of key stakeholders, there is a big number of other stakeholders involved in this project, especially the ones who will be using the research’s outcome. You have some specific questions. Which of the following is the best way to quickly obtain responses from a big group of stakeholders?
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You have just become the project manager of a project already in execution. During your first week on the job, you receive multiple requests from different stakeholders asking for project reports in various formats. These requests overwhelm you. What should you do first?
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You are managing an enterprise solution deployment project. The end users are not happy with the solution. You decide to meet the end users and find out that they haven’t received proper training on the new system. What should you do first?
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