Chapter 7, Problem 10RQ

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The three AAA services given by RADIUS and TACACS+ are authentication, authorization, and accounting.

Hence, the correct answer is option “C”.

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Explanation of Solution

RADIUS and TACACS+:

• The RADIUS stands for Remote Authentication Dial-In User Service. It is an open source that can operate as a software application on a remote access server.
• It can operate as a software application on a computer or on a remote access server dedicated to this type of authentication.
• TACACS+ stands for Terminal Access Controller Access Control System Plus. It is a security protocol used in AAA framework, which gives centralized authentication for users who need to gain access to the network.
• The three AAA services given by RADIUS and TACACS+ are authentication, authorization, and accounting.
  • Before permitting and entity to perform certain activities, the user must know what that entity actually means, this is called as authentication.
  • If the entity is authorized to perform that action, it is called as authorization...