Which statement describes a difference between RADIUS and TACACS+?

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.
    Answers Explanation & Hints:

    TACACS+ uses TCP, encrypts the entire packet (not just the password), and separates authentication and authorization into two distinct processes. Both protocols are supported by the Cisco Secure ACS software.

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