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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.

Security

Question

Which of the following is a proprietary Cisco AAA protocol?

Options

  • ATKIP
  • BAES
  • CRADIUS
  • DTACACS+

How the community answered

(20 responses)
  • A
    5% (1)
  • D
    95% (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.

ATKIP

TKIP is an encryption protocol used in WPA for Wi-Fi security, not an AAA protocol.

BAES

AES is an encryption standard, not an AAA protocol.

CRADIUS

RADIUS is an open-standard AAA protocol, not proprietary to Cisco, and encrypts only the password.

DTACACS+Correct

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

Topics

#AAA protocols#TACACS+#Networking security#Proprietary protocols

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