An administrator is comparing multiple implementations of AAA. Which AAA method is server-based and considered the most secure?

An administrator is comparing multiple implementations of AAA. Which AAA method is server-based and considered the most secure?

• enable
• RADIUS
• local-case
• TACACS+

Explanation: Server-based implementations of AAA include both RADIUS and TACACS+. TACACS+ is considered more secure because the entire protocol exchange is encrypted whereas RADIUS will only encrypt the password of the user.

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