New PMP Question & Answers with explanation

Your organization is hoping to meet its strategic objective to grow the business by expanding to foreign markets. Since working with international sellers is new to you as a project manager you are researching potential issues others have encountered on international projects. You have learned of situations where issues have arisen due to illegal payments. Which e following payments on an international project is unacceptable?
Select one
Which of the following defines things the project manager needs to do regarding cost
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While reviewing project performance, the project manager determines that the schedule variance is -500. What is the best thing to do
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One common way to compute estimate at completion (EAC) is to take the budget at completion (BAC) and:
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Which of the following information about the project would never be available during project planning
Select one