New PMP Question & Answers with explanation

A company plans to deliver a new product that requires currently unavailable skills. On what should the project manager focus to initiate this project?
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Without considering all the implications, a project sponsor requires that the project team be composed of resources located in three locations in three different time zones. This is expected to save costs and provide the optimal project team. Where should this be reflected in the project charter?
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A project manager joins a project that has just started. The sponsor and project team assure the new project manager that the project has an adequate budget and realistic schedule. The project manager is concerned about unplanned events that could threaten the project's success. What should the project manager do?
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After the kick-off meeting, the project manager notices that to deliver the system, the team must implement new hardware within the next three months. The procurement team notifies the project manager that the current suppliers need at least three months' notice to deliver this type of system. Worried about the risk to delivery dates, the project manager begins looking for alternative suppliers that adhere to their company's procurement policy. What risk response strategy did the project manager use?
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