New PMP Question & Answers with explanation

A project manager is estimating the project duration and finds that the only information available to him is a previous project that was quite different from the current one. However, some portions of the previous project were similar to the current one. Which of the following tools is the project manager likely to use to compare current project's activity durations with the similar previous activities?
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A project manager needed to shorten a project schedule and decided to employ crashing, a schedule compression technique. Which of the following activities would not be an example of crashing?
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Which of the following is not an example of parametric estimating?
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In which of the following situations would it be better to avoid using Analogous Estimating?
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To define the logical relationship among dependencies accurately, a project manager is determining which ones require a lead or a lag. Which of the following correctly describes leads or lags?
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