Which statement describes a difference between RADIUS and TACACS+?RADIUS uses TCP whereas TACACS+ uses UDP.RADIUS is supported by the Cisco Secure ACS software whereas TACACS+ is not.RADIUS encrypts only the password whereas TACACS+ encrypts all communication.RADIUS separates authentication and authorization whereas TACACS+ combines them as one process.Navigation Bar
Question
Which statement describes a difference between RADIUS and TACACS+?RADIUS uses TCP whereas TACACS+ uses UDP.RADIUS is supported by the Cisco Secure ACS software whereas TACACS+ is not.RADIUS encrypts only the password whereas TACACS+ encrypts all communication.RADIUS separates authentication and authorization whereas TACACS+ combines them as one process.Navigation Bar
Solution
Sure, let's break down the question and analyze each statement step by step to determine the correct difference between RADIUS and TACACS+.
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RADIUS uses TCP whereas TACACS+ uses UDP.
- This statement is incorrect. In fact, RADIUS uses UDP (User Datagram Protocol) and TACACS+ uses TCP (Transmission Control Protocol).
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RADIUS is supported by the Cisco Secure ACS software whereas TACACS+ is not.
- This statement is also incorrect. Cisco Secure ACS (Access Control Server) supports both RADIUS and TACACS+.
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RADIUS encrypts only the password whereas TACACS+ encrypts all communication.
- This statement is correct. RADIUS encrypts only the password in the access-request packet, while TACACS+ encrypts the entire payload of the packet, providing more security.
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RADIUS separates authentication and authorization whereas TACACS+ combines them as one process.
- This statement is incorrect. In fact, RADIUS combines authentication and authorization in a single access-request packet, whereas TACACS+ separates these functions, allowing for more granular control.
Based on the analysis, the correct statement that describes a difference between RADIUS and TACACS+ is:
RADIUS encrypts only the password whereas TACACS+ encrypts all communication.
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