| Exam 210-260 | Question id=616 | Secure Access | 
        In which ways does the RADIUS protocol differ from TACACS?
      
| A. | 
              RADIUS uses UDP to communicate with the NAS. | |
| B. | 
              RADIUS encrypts only the password field in an authentication packet. | |
| C. | 
              RADIUS authenticates and authorizes simultaneously, causing fewer packets to be transmitted. | |
| D. | 
            RADIUS uses TCP to communicate with the NAS. | |
| E. | 
            RADIUS can encrypt the entire packet that is sent to the NAS. | |
| F. | 
            RADIUS supports per-command authorization. |