Refer to the below.

14:00:09: TAC+: Opening TCP/IP connection to 192.168.60.15 using source 10.116.0.79

14:00:09: TAC+: Sending TCP/IP packet number 383258052-1 to 192.168.60.15 (AUTHEN/START)

14:00:09: TAC+: Receiving TCP/IP packet number 383258052-2 from 192.168.60.15

14:00:09: TAC+ (383258052): received authen response status = GETUSER

14:00:10: TAC+: send AUTHEN/CONT packet

14:00:10: TAC+: Sending TCP/IP packet number 383258052-3 to 192.168.60.15 (AUTHEN/CONT)

14:00:10: TAC+: Receiving TCP/IP packet number 383258052-4 from 192.168.60.15

14:00:10: TAC+ (383258052): received authen response status = GETPASS

14:00:14: TAC+: send AUTHEN/CONT packet

14:00:14: TAC+: Sending TCP/IP packet number 383258052-5 to 192.168.60.15 (AUTHEN/CONT)

14:00:14: TAC+: Receiving TCP/IP packet number 383258052-6 from 192.168.60.15

14:00:14: TAC+ (383258052): received authen response status = PASS

14:00:14: TAC+: Closing TCP/IP connection to 192.168.60.15

Which statement about this debug output is true?

A.
The requesting authentication request came from username GETUSER.

B.
The TACACS+ authentication request came from a valid user.

C.
The TACACS+ authentication request passed, but for some reason the user’s connection was closed immediately.

D.
The initiating connection request was being spoofed by a different source address.

Explanation: