New PMP Question & Answers with explanation

A project has ended; however the project manager and project team members are still called to solve technical issues, make some small changes, and evaluate new requirements. What should the project manager do to guarantee the product or service developed by the project now has operational support?
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A project manager is concerned that team members spend too much time assisting operations and maintenance staff with a recently commissioned project component. To what documents should the project manager refer to validate that the component was signed off and ownership transferred?
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A senior project manager is guiding a new project manager in finalizing project activities. What should the senior project manager list as the key benefits of documenting final project activities?
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A project has been successfully delivered and the project manager is executing formal closure. What should the project manager do first?
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Due to lack of funding, a project is terminated during its initiation phase and the project manager must close the project. What should the project manager do first?
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