New PMP Question & Answers with explanation

Rianna is a developer who is interested in moving toward a career in project management. She takes on a small project that will implement a new security feature to protect her company’s internal network. To date, she has baselined the project’s scope, schedule, and budget, and she is now actively helping to resolve issues as they arise. What process is she currently performing?
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While performing activities associated with controlling project and product scope, a project manager uncovers scope creep. What is the project manager likely to do next to take corrective action?
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You are a project manager and are in the stage of the project where you are juggling a lot of activities at the same time. You are negotiating for resources, negotiating procurements, and monitoring risks and risk triggers. An approved change request has come your way and must be processed back through this process. This approved change will expand your project scope. You daydream of escaping the day-to-day work life and for a brief moment wonder whether you could contract this additional work through your spouse’s company and take the money and run. But then the daydream bubble bursts and it’s back to reality. What process does this describe, and what area within the PMI Code of Ethics and Professional Conduct pertains to this situation?
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A project manager meets with a key set of experts within her project team. They express concerns over a recent scope change that was submitted by the customer, since the project is deep into the execution stages of the project life cycle. Which of the following is a valid technique that can aid the project manager in addressing the team’s concerns?
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A project manager is managing a project that contains a high degree of ambiguity. The project team is expected to adapt to changes as the scope of work becomes clearer over time. To better set expectations with the team, what is the project manager likely to communicate regarding the use of an iterative approach to managing the project life cycle?
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