What function is provided by the RADIUS protocol?
- RADIUS provides encryption of the complete packet during transfer.
- RADIUS provides separate AAA services.
- RADIUS provides separate ports for authorization and accounting.
- RADIUS provides secure communication using TCP port 49.
Explanation: When an AAA user is authenticated, RADIUS uses UDP port 1645 or 1812 for authentication and UDP port 1646 or 1813 for accounting. TACACS provides separate authorization and accounting services. When a RADIUS client is authenticated, it is also authorized. TACACS provides secure connectivity using TCP port 49. RADIUS hides passwords during transmission and does not encrypt the complete packet.
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