New PMP Question & Answers with explanation

Performance reports are produced during the Control Procurements process by evaluating work performance data against the agreement requirements. Which of the following is the prime objective of producing such reports?
Select one
A project manager feels the need of updating one of the project supplier contracts to meet the project’s current needs. However, before any change requests, the project manager must know the right process to incorporate a change into this specific contract. What should he do first?
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Large organizations typically manage a wide range of projects; from small projects to large initiatives requiring long-term commitments. Which of the following factors can be used in scaling such projects:
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Maintaining good supplier relationships should be important to all project managers. A good buyer-seller relationship is a partnership that results in a win-win situation that nurtures both parties. Which of the following is both a short- and long-term benefit of treating a supplier with courtesy, honesty, and fairness?
Select one
Project knowledge management is concerned with managing which type of project knowledge?
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