In this module, the concept of AAA security was introduced and several
important related topics were discussed. The student should now understand why
AAA security is one of the primary components of the overall network security
policy of an organization. AAA is essential to providing secure remote access
to the network and remote management of network devices.
The student
then learned about TACACS+ and RADIUS and how both can be used in a network to
provide authentication and authorization.
Finally, the student was
introduced to IBNS and NAC, and how these technologies can be used to secure
admission to the network.