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

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

B.
In this model, the same permission is 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 users can access resources according to their seniority.