Which of the following statements about role-based access control (RBAC) model is true?

A.
In this model, the users canaccess resources according to their seniority.

B.
In this model, the permissions are uniquely assigned to each user account.

C.
In this model, a user can access resources according to his role in the organization.

D.
In this model, the same permission is assigned to each user account.