New PMP Question & Answers with explanation

The senior analyst on a project came up with Activity Duration Estimates as follows: Activity A: 10 days + a lag of two days; Activity B: 1 week + a lead of three days. The project manager who reviewed these estimates raised some objections to them. What would they most likely be?
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Linda is a first-time project manager and is analyzing a project schedule. She intends to apply resource leveling, and she has the following guidelines on Resource Leveling. Which of these four statements is incorrect?
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You have been asked to determine the early start and finish dates for the activities that make up a project. What would be the BEST technique to use?
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Which technique is NOT commonly used to align the timing of activities with available resources?
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You have been asked to create a graphic display of schedule-related information, listing schedule activities on the left side of the chart, dates on the top, and activity durations as date-placed horizontal bars on the right side. What is such a chart called?
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