New PMP Question & Answers with explanation

As a project manager based at the customer location for a performing organization, you build rapport with a customer manager. As the project progresses, the manager asks you to make certain changes to the project scope and wants this handled on an informal basis. You should:
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Reporting performance about scope to stakeholders is a part of which knowledge area?
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You are the Project Manager for the production of an exotic car. You have completed the Define Scope process for your project. Which of the following may be generated through this process?
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Robert has recently joined an automobile manufacturer. He now has a project that was already in the execution phase. Recently, one of the key stakeholders has raised serious concerns over the project’s scope. Robert now wants to review the previous project communications to understand how the current project scope was agreed to by all key stakeholders in the past. Where can he find this information?
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Which of the following techniques used in adaptive lifecycles helps in minimizing scope creep?
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