New PMP Question & Answers with explanation

The critical path method (CPM) calculates the theoretical early start and finish dates and late start and finish dates. The difference between the late and early start of a task is a:
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A technique that iterates the project schedule many times to calculate a distribution of possible project completion dates is:
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You have decided to apply Resource Leveling to a project because of a critically required resource being available only at certain times. Which of the following will likely be true?
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The accuracy of Activity Duration estimates can be improved by considering the amount of risk in the original estimate. The three types of estimates on which three-point estimates are based are:
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After one year of construction, an office building is scheduled for completion on 30 January. The landscaping work needs to start 15 days prior to the building’s completion. Which of the following relationships most likely represents the relationship of the start of landscaping work to the completion of the office building?
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