Centralized authentication systems should provide which of the following services? Authentication, Authorization and Availability Authentication, Availability and Access Control Authentication, Authorization and Access Control Authentica

Centralized authentication systems should provide the following services: **Authentication, Authorization and Accountability** - **Authentication**: Verifying the identity of a user or system. - **Authorization**: Determining the permissions and access levels granted to the authenticated user or system. - **Accountability**: Ensuring that actions taken by users can be traced back to them, often through logging and auditing. While "Access Control" could also be interpreted in the context of authorization, the more comprehensive set of services related to security and management in centralized authentication systems typically includes accountability.