New PMP Question & Answers with explanation

You are working on a project that will upgrade the phone system in your customer service center. You have used bottom-up estimating techniques to assign costs to the project activities and have determined the cost baseline. Which of the following statements is true?
Select one
Feeding buffers and the project buffer are part of which of the following Develop Schedule tool and technique?
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Failure costs are also known as which of the following?
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You are working on a project that will upgrade the phone system in your customer service center. You have considered using analogous estimating, parametric estimating, bottom-up estimating, and three-point estimating to determine activity costs. Which process does this describe?
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All of the following are a type of project ending except for which one?
Select one