New PMP Question & Answers with explanation

Knowledge that is difficult to express is called what?
Select one
Carina is a principal project manager of You’ve Got Dogs, a specialty company that creates custom dog apparel and toys. As is part of her practice, she sits down with her sponsor to evaluate how the project is performing. She reviews feedback from the most recent prototype, which the team has produced successively to yield additional insight. Carina notes to the sponsor that the use of timeboxing has been helpful in reducing the uncertainty in the project. What type of life cycle is Carina using?
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Your colleague has reported to their manager that they passed their PMP certification exam. You know this is inaccurate, since you both took your exams at the same time and the colleague shared the results with you. What should you do?
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You’re the project manager for Dream Clinics, a research organization that specializes in sleep disorders. You’re working on an internal service project and are in the Executing process group. You negotiate with a manager to obtain resources for specific activities on the project that your team is not able to fulfill. These resources will roll off the project as soon as the activities are completed. Which of the following does this scenario describe?
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An Agile approach can alleviate issues that result when high uncertainty exists. Which of the following is an example of a pain point that Agile addresses under these circumstances?
Select three