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Cisco Certified Network Associate (CCNA) · Cisco
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Answer is B. Incorrect answer by examtopic
TACACS+ uses the AAA architecture, which separates AAA
Why do i think 802.1X is the answer? Tacacs is not really used on wireless network solutions. And if you use 802.1X for authentication on the wireless network, you have separated the solution of authentication and authorization while making Radius do the backend authorization. On wireless networks, 802.1X and radius are usually used together to provide authentication and authorization .