Final answer:
The tool and technique for the Close Project or Phase process is a Project Management Information System (PMIS), which is a software tool that helps project managers manage all aspects of a project.
Step-by-step explanation:
The tool and technique for the Close Project or Phase process is a Project Management Information System (PMIS). A PMIS is a software tool that helps project managers manage all aspects of a project, including planning, scheduling, budgeting, and tracking. It allows for the centralized storage and organization of project information, making it easily accessible to project team members.
Some examples of PMIS include Microsoft Project, Basecamp, and Trello. These tools provide a platform for collaboration, communication, and documentation throughout the project's lifecycle. They can also generate reports and metrics to track project performance and ensure successful closure.