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

A.
It is TCP based.

B.
It is UDP based.

C.
It uses port 49 by default.

D.
It uses port 59 by default.

E.
The username is sent in cleartext.

F.
The username is encrypted.