New PMP Question & Answers with explanation

Nicolas is the project manager of a project that has been described as revolutionizing the mobile fitness tracking industry. After a few preliminary strategy sessions, he pulls together the core team and notes that they will be defining deliverables early in the development life cycle and progressively elaborating them as the project progresses. What development life cycle is Nicolas following on the project?
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When joining a new organization, what must a new project manager do to be effective?
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Robert is a new executive hired to lead the marketing department of a telecommunications company. He recently met with his project management team to review the project portfolio. Next, he sets his sights on better understanding the governance framework in place. Governance is considered to be which of the following?
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Which of the following is a valid tool or technique that aids the project manager, or other assigned organizational resource, in developing the project charter?
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A project manager is in the process of measuring the extent to which the project is compliant with regulatory standards by conducting an audit. What activity are they performing?
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