Correct Answer: D
Explanation/Reference:
Explanation:
A central authentication service for dial-up users is the standard Remote Authentication and Dial-In User Service (RADIUS). RADIUS incorporates an authentication server and dynamic passwords. The RADIUS protocol is an open lightweight, UDP-based protocol that can be modified to work with a variety of security systems. It provides authentication, authorization and accounting services to routers, modem servers, and wireless applications. RADIUS is described in RFC 2865.
Incorrect Answers:
A: RADIUS does not incorporate PIN codes.
B: Authentication of clients is provided by the authentication server which is incorporated into RADIUS.
RADIUS does not incorporate static passwords 'generation'.
C: Authentication of clients is provided by the authentication server which is incorporated into RADIUS.
RADIUS does not incorporate dynamic passwords 'generation'.
References:
Cole, Eric, Network Security Bible, Wiley Publishing, Indianapolis, 2009, p. 124