FIU's College of Business recently implemented a new version of Microsoft's Active Directory $($AD$).$ AD is a system that authenticates and authorizes users to access the college's resources such as file shares. The system administrator is thinking about what type of access control scheme should be used. With nearly $2,500$ students, $300$ faculty and $250$ staff, the administrator has a daunting task. Which of the following access control scheme would be appropriate for such a large organization?

Group of answer choices

Discretionary Access Control $($DAC$)$

Network Access Control

Role$-$Based Access Control $($RBAC$)$

Conditional Access