350-701 · Question #560
Refer to the exhibit. What is the result of using this authentication protocol in the configuration?
The correct answer is D. The authentication and authorization requests are grouped in a single packet. When using RADIUS, authentication and authorization requests are combined into a single packet, simplifying the communication flow to the authentication server.
Question
Refer to the exhibit. What is the result of using this authentication protocol in the configuration?
Options
- AThe authentication request contains only a username.
- BThe authentication request contains only a password.
- CThere are separate authentication and authorization request packets.
- DThe authentication and authorization requests are grouped in a single packet.
How the community answered
(40 responses)- A3% (1)
- C5% (2)
- D93% (37)
Why each option
When using RADIUS, authentication and authorization requests are combined into a single packet, simplifying the communication flow to the authentication server.
The authentication request typically contains both a username and password (or other credentials) for verification.
The authentication request contains more than just a password; it needs a username to identify the user.
Separate authentication and authorization request packets are characteristic of TACACS+, not RADIUS.
RADIUS (Remote Authentication Dial-In User Service) is an authentication protocol where the authentication and authorization requests are combined and sent together within a single Access-Request packet to the RADIUS server. This integrated approach means the server processes both aspects concurrently, streamlining the communication.
Concept tested: RADIUS authentication and authorization
Source: https://www.cisco.com/c/en/us/td/docs/ios/sec_user_services/configuration/guide/12_4t/sec_usr_srv_12_4t_book/sec_usr_srv_tacacs_rad.html
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