Which is a purpose of a Project Brief?

Which is a purpose of the Initiating a Project process?

Which should be provided by a project mandate?

Which provides a single source of reference that may be used by people joining a project after it has been initiated so they can quickly and easily find out how the project is being managed?

Which of the following statements about lines of authority and reporting are true?
1. The Project Manager has day-to-day control for a management stage within the limits laid down by the Project Board.
2. If a Team Manager forecasts a deviation beyond Work Package tolerances, this should be referred to the Project Manager.