220-1102 · Question #100
Which of the following is a proprietary Cisco AAA protocol?
The correct answer is D. TACACS+. TACACS+ is a proprietary Cisco protocol used for Authentication, Authorization, and Accounting (AAA) services. It offers enhanced security and separate authentication and authorization processes compared to open standards.
Question
Which of the following is a proprietary Cisco AAA protocol?
Options
- ATKIP
- BAES
- CRADIUS
- DTACACS+
How the community answered
(20 responses)- A5% (1)
- D95% (19)
Why each option
TACACS+ is a proprietary Cisco protocol used for Authentication, Authorization, and Accounting (AAA) services. It offers enhanced security and separate authentication and authorization processes compared to open standards.
TKIP is an encryption protocol used in WPA for Wi-Fi security, not an AAA protocol.
AES is an encryption standard, not an AAA protocol.
RADIUS is an open-standard AAA protocol, not proprietary to Cisco, and encrypts only the password.
TACACS+ (Terminal Access Controller Access Control System Plus) is a Cisco proprietary protocol that provides centralized AAA services, separating authentication, authorization, and accounting functions, and encrypting the entire packet body for enhanced security. This makes it a robust solution for managing network device access within Cisco environments.
Concept tested: Proprietary AAA protocols
Source: https://www.cisco.com/c/en/us/support/docs/security-vpn/remote-authentication-dial-user-service-radius/13840-aaa-tacacs-radius.html
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