New PMP Question & Answers with explanation

You are a project manager working within a division that recently experienced a reorganization. Your new manager will now step in as the sponsor of your existing project. She asks for a briefing on the timeline and owners of outcomes yielded by the project that will provide value to the department. What document will you likely reference during the briefing?
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You are a project manager for SubZero Delights, a company that offers extraordinary experiences to travelers. Your latest project involves the development of a smartphone app that automatically picks up a customer’s GPS coordinates to provide tailored resources and recommendations. You chose a hybrid approach to managing the project, and the team is now well into executing the project work using one-month iterations. Since execution activities began, the project has been riddled with issues among team members—from disagreements to poor meeting etiquette. What is likely causing these issues?
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The purpose of this process is concerned with satisfying the needs of the stakeholders, managing communications with them, resolving issues, managing their expectations, and more, and this process also relates to this area of the PMI Code of Ethics and Professional Conduct.
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People, interaction, community, communication, skills, and talents are all core values of what family of methodologies?
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You are using the data representation tool and technique of the Manage Quality process with one of the product deliverables to organize potential causes of defects into groups. Which tool and technique does this describe?
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