Which two of these correctly describe the following command?(Choose two) Aaa authentication ppp user-radius if-needed group radius
A.
RADIUS authentication will be used for lines using PPP with CHAP only
B.
RADIUS authentication will be used for lines using PPP with CHAP or PAP
C.
RADIUS authentication is not performed if the user has been authenticated/authorized
D.
If the action returns an error, the user will be allowed access without authentication
E.
The user radius keyword specifies that all RADIUS servers are to be used