Do you have any more of CISSP networking videos like this(I do see the SDN video and authentication video and domain4). I would love to watch more on domain 4 network please!! and learn (and then go watch the coffee shots one) please.
RADIUS is like a security guard, EAP is a tool that RADIUS uses like checking for a password or IDs to let you enter. just like that CHAP is something that when used with RADIUS will ask for you ID with a challenge question, and you answer with a secret code , that makes sure you are not faking it.