New PMP Question & Answers with explanation

The project sponsor is concerned about possible ethics violations between the project and vendors. What independent review can the sponsor order?
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You are conducting the source selection analysis for an office building renovation project. One project requirement involves setting up the WiFi system once the hardware has been installed. The value of this procurement is relatively small, and you have decided that a full selection process does not make sense. With three prospective vendors listed as pre-approved sellers, what is the best course of action?
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Services are still being billed to the project even though no additional services are required or requested. What is the best option for the project manager to take?
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As a project manager for a small university, you are currently in the process of selecting a vendor to develop a textbook and other training materials for a new course. Several vendors are interested in bidding on the contract. During a bidder conference, one of the prospective suppliers asks about ownership of the intellectual property that will be created from the project. Which project document should have this information at this stage of the project?
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A team member has been tasked to send the request for proposal (RFP), source selection criteria, and procurement statement of work (SOW) to potential sellers. The documentation is stored digitally on the corporate computer network. Which folder from the project directory is most likely to include these documents?
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