Refer to Following:
aaa new model
tacacs-server host 1.1.1.1 single connection
tacas-server key cisco123
Which statement about the authentication protocol used in the configuration is true?
A . Authentication request contains username, encrypted password, NAS IP address, and port.
B . Authentication and authorization requests are sent in a single open connection between the network device and the TACACS+ server
C . Authentication request contains username, password, NAS IP address and port.
D . Authentication and authorization request packets are grouped together in a single packet.
Answer: A