You are configuring a RADIUS server and the security team asks you for details about this protocol.
Which three statements about the RADIUS protocol are true? (Choose three.)

A.
It is TCP based.

B.
It is UDP based.

C.
RADIUS servers use port 1645 or port 1812 for authentication.

D.
RADIUS servers use port 1646 or port 1813 for authorization.

E.
The username is sent in cleartext.

F.
The username is encrypted.