Refer to exhibit, which statement about the authentication protocol used in the configuration is true?
aaa new model
tacacs-server host 1.1.1.1 single connection
tacas-server key cisco123
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.
B is correct for sure!
correct answer is probably A
https://tacacs.net/docs/TACACS_Advantages.pdf
The primary functional difference between RADIUS and TACACS+ is that TACACS+ separates out the Authorization
functionality, where RADIUS combines both Authentication and Authorization.
C is improbably because option A include the “encrypted” password, instead of just “password”.