New PMP Question & Answers with explanation

In a ship design project, a project manager is in the process of negotiating with a consulting company to ensure that the project receives certified and specialized consultants for creating the hull design. The project manager wants to make certain that the consultants will be able to work until their assignments are completed. He is using all his negotiation skills and interpersonal skills to get competent staff on time. Based on the scenario described above, the project manager is engaged in:
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Which of the following documents the formal or informal assessments of the project team's effectiveness?
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Two of your expert team members have been in a heated argument over the use of a new software product for your research project. Recently, you noticed that the argument, instead of increasing creativity, is causing conflict between the team members. To prevent the conflict from escalating, you want to resolve it by open dialogue and evaluating alternatives. All the following statements about conflict are false except:
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Dave, a first-time project manager, was of the opinion that all training activities need to be planned. He discussed this with an experienced project manager who understood that some training was necessarily unplanned. Which of the following are good candidates for unplanned training?
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A key project in an organization has been ignored, due to high travel expenses associated with the movement of subject matter experts and other specialists across various project locations. Which of the following might allow such a project to be undertaken in a cost-efficient manner?
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