The network administrator configured R1 to authenticate Telnet connections based on Cisco ISE using TACACS+. ISE has been configured with an IP address of 192.168.1.5 and with a network device pointing toward R1(192.168.1.1) with a shared secret password of Cisco123.
The administrator cannot authenticate to R1 based on ISE. Which configuration fixes the issue?
A. ip tacacs-server host 192.168.1.5 key Cisco123
B. line vty 0 4 login authentication TAC-SERV
C. line vty 0 4 login authentication telnet
D. tacacs-server host 192.168.1.5 key Cisco123
