Which of the following are differences between RADIUS and TACACS $+?$

RADIUS supports more protocols than TACACS$+.$

RADIUS encrypts the entire packet contents, while TACACS$+$ only encrypts the password.

RADIUS uses TCP$,$ While TACACS$+$ uses UDP.

RADIUS combines authentication and authorization into a single function, while TACACS$+$ allows these services to be split between different servers.