New PMP Question & Answers with explanation

A technique that iterates the project schedule many times to calculate a distribution of possible project completion dates is:
Select one
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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As a project manager, you are in the process of preparing the project schedule for the project. Which of the following accurately depicts the sequence of your activities before you began to prepare the project schedule?
Select one