New PMP Question & Answers with explanation

During your project meeting, a problem was discussed, and the project sponsor described the resolution they wanted the project team to implement. The project manager tried to interject with another idea that might solve the issues but the sponsor didn't want to discuss the idea. Which of the following conflict resolution techniques does this question describe?
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What are benefit measurement methods?
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According to the PMBOK® Guide, which of the following names all the components of an interactive communication model?
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During your project meeting, a problem was discussed, and a resolution to the problem was reached. During the meeting, the participants started wondering why they thought the problem was such a big issue. Sometime after the meeting, you received an email from one of the meeting participants saying they've changed their mind about the solution reached in the meeting and need to resurface the problem. The solution reached during the initial project meeting is a result of which of the following conflict resolution techniques?
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Your project has a high degree of uncertainty, high risk, evolving requirements, and cross-functional teams. Which of the following life cycle methodologies does this describe?
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