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In the context of security in networking, the letters AAA in the term "AAA servers" stand for _____.
A. allowing access automatically
B. accessing all appliances
C. access, applications, and accounting
D. authentication, authorization, and accounting

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Answer:

D) AAA refers to Authentication, Authorization and Accounting.

Explanation:

Authentication

  • Answer the question of  who are you?.
  • The two most popular options for external user authentication are RADIUS and TACACS

Authorization

  • Authorization services determine what resources the user can access and what operations are enabled to perform.
  • An authorization type question is how much can you spend?

Accounting

  • Accounting records what the user does, keeps track of how network resources are used.
  • Example question in what do I spend it?

Answer:

D. authentication, authorization, and accounting

Explanation: