Security+ Training Course Index: Professor Messer’s Course Notes: Frequently Asked Questions: - - - - - A well-designed network will use a single authentication method for all services. In this video, you’ll learn how RADIUS and TACACS can be used to centralize the authentication process. - - - - - Download entire video course: Get the course on MP3 audio: Subscribe to get the latest videos: Calendar of live events: FOLLOW PROFESSOR MESSER: Professor Messer official website: Twitter: Facebook: Instagram: Google +: