New PMP Question & Answers with explanation

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?
Select one
If a project manager believes that a particular subcontract needs to be terminated, which of the following can provide guidance on the contract termination procedure?
Select one
During the Control Procurements process, a number of documents might get updated due to various reasons. Which of the following components of the project management plan is least likely to get updated during this process?
Select one