CompTIA
SY0-301 · Question #465
SY0-301 Question #465: Real Exam Question with Answer & Explanation
The correct answer is C: RADIUS. RADIUS is the standard centralized protocol used to provide Authentication, Authorization, and Accounting services for remote users and devices.
Question
Which of the following types of security services are used to support authentication for remote users and devices?
Options
- ABiometrics
- BHSM
- CRADIUS
- DTACACS
Explanation
RADIUS is the standard centralized protocol used to provide Authentication, Authorization, and Accounting services for remote users and devices.
Common mistakes.
- A. Biometrics refers to authentication using physical characteristics such as fingerprints or retinas, which is an authentication factor type, not a network protocol that supports centralized remote authentication.
- B. A Hardware Security Module (HSM) is a physical device that safeguards cryptographic keys and performs cryptographic operations; it does not provide authentication services for remote users.
- D. TACACS+ is primarily used for privileged administrative access control to network devices rather than broadly for remote end-user authentication the way RADIUS is.
Concept tested. RADIUS protocol for centralized remote user authentication and AAA
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