New PMP Question & Answers with explanation

A project manager has structured his project in a way that will allow for the planning of the project to occur during the early phases of the life cycle, with minimal changes thereafter. This approach is associated with which development life cycle?
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Match the project life cycle with its respective description.
Matching
Life Cycle Name Description
Predictive life cycle
A traditional approach where the majority of planning occurs up front, followed by execution of the work
Iterative life cycle
An approach that is both iterative and incremental to refine work items and deliver frequently
Incremental life cycle
An approach that provides deliverables to the customers to use immediately
Agile life cycle
An approach that allows feedback on unfinished work to improve and modify the work
While carrying out the Monitor and Control Project Work process, a project manager analyzes performance data to determine whether any corrective or preventive action is needed. Which of the following is a valid input that can assist the project manager in performing this activity?
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A project manager is preparing to lead a project status meeting later that afternoon. The project is currently 75 percent complete and is reaching the most critical point. Since the project sponsor is planning on attending the meeting, the project manager decides to update the earned value calculations to present the latest performance updates in terms that the sponsor will want to see. The budget at completion (BAC) is set at $550,000, and the current estimate at completion (EAC) is at $525,000. How is the project performing in terms of the budget?
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You are using the critical chain method to construct your schedule, and there are variances in your critical path tasks. Which of the following is true?
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