In which three ways does the RADIUS protocol differ from TACACS? (Choose three.)

In which three ways does the RADIUS protocol differ from TACACS? (Choose three.)
A . RADIUS uses UDP to communicate with the NA
C . RADIUS encrypts only the password field in an authentication packet.
D . RADIUS authenticates and authorizes simultaneously, causing fewer packets to be transmitted.
E . RADIUS uses TCP to communicate with the NA
G . RADIUS can encrypt the entire packet that is sent to the NA
. RADIUS supports per-command authorization.

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Answer: A,B,C