CERTIFIED-IN-CYBERSECURITY · Question #590
Which of the following is a common type of network authentication protocol?
The correct answer is A. All of the above. TACACS+ (Terminal Access Controller Access-Control System Plus), RADIUS (Remote Authentication Dial-In User Service), and LDAP (Lightweight Directory Access Protocol) are all widely used network authentication protocols. TACACS+ separates authentication, authorization, and…
Question
Which of the following is a common type of network authentication protocol?
Options
- AAll of the above
- BTACACS+
- CRADIUS
- DLDAP
How the community answered
(32 responses)- A91% (29)
- C3% (1)
- D6% (2)
Explanation
TACACS+ (Terminal Access Controller Access-Control System Plus), RADIUS (Remote Authentication Dial-In User Service), and LDAP (Lightweight Directory Access Protocol) are all widely used network authentication protocols. TACACS+ separates authentication, authorization, and accounting (AAA) and encrypts the entire payload. RADIUS combines authentication and authorization and is common in dial-up and wireless environments. LDAP is used to query and authenticate against directory services like Active Directory. Since all three are legitimate network authentication protocols, 'All of the above' is correct.
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