N10-005 · Question #504
Which of the following are authentication methods that can use AAA authentication? (Select TWO).
The correct answer is E. RADIUS F. TACACS+. AAA stands for Authentication, Authorization, and Accounting - a framework for controlling network access. RADIUS (Remote Authentication Dial-In User Service) and TACACS+ (Terminal Access Controller Access-Control System Plus) are both dedicated AAA protocols. RADIUS is…
Question
Which of the following are authentication methods that can use AAA authentication? (Select TWO).
Options
- AKerberos
- BPKI
- CTKIP/AES
- DMS-CHAP
- ERADIUS
- FTACACS+
How the community answered
(54 responses)- C4% (2)
- D2% (1)
- E94% (51)
Explanation
AAA stands for Authentication, Authorization, and Accounting - a framework for controlling network access. RADIUS (Remote Authentication Dial-In User Service) and TACACS+ (Terminal Access Controller Access-Control System Plus) are both dedicated AAA protocols. RADIUS is commonly used for network access (Wi-Fi, VPNs, dial-up) and combines authentication and authorization in a single response. TACACS+ separates authentication, authorization, and accounting into distinct processes, making it more granular - it is preferred for device administration (e.g., managing routers and switches). Kerberos is an authentication protocol but is not a AAA system. PKI is a certificate infrastructure. TKIP/AES are encryption standards. MS-CHAP is a point-to-point authentication protocol, not a AAA framework.
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