New PMP Question & Answers with explanation

A software development project requires a highly skilled resource that is unavailable locally. A resource who can work on site is identified in another country, but the work visa process is taking longer than expected. What should the project manager do?
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One year ago at project kick-off, the entire project team was trained on the specifics of the business operation that the project supports. Since then, turnover has been high and new project team members fail to have the same understanding of the business. As a result, project productivity has suffered. What should the project manager do?
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A project manager notices schedule performance issues due to the expertise levels of project resources. Some experienced resources check unnecessary details, and some junior-level resources take a long time to complete tasks. What should the project manager do to enhance team performance?
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A new project manager is developing a resource management plan but is unfamiliar with the skill sets required by the project. What should the project manager do to create the resource management plan?
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