A project manager is managing the transition to operations and the sponsor wants to ensure end users receive good support. What should the project manager do?

The correct answer is to ensure that knowledge is transferred to the operations team. This is the most comprehensive and effective way to guarantee end-user support during the transition. Knowledge transfer involves not just documentation, but also training, shadowing, and direct communication to ensure the operations team fully understands the product, its support needs, and troubleshooting procedures. While comprehensive documentation (first incorrect option) and a detailed user guide (fourth incorrect option) are important components of knowledge transfer, they are not sufficient on their own. Documentation can be misinterpreted or lack the nuances of practical application. Asking the project team to provide operational support for one year (second incorrect option) is not a sustainable or scalable solution and goes beyond the typical scope of a project manager's responsibility for project closure and transition. The goal is to empower the operations team, not to indefinitely extend the project team's involvement.