Ann has taken over as the new head of the IT department. One of her first assignments was to implement
AAA in preparation for the company’s new telecommuting policy. When she takes inventory of the
organizations existing network infrastructure, she makes note that it is a mix of several different vendors.
Ann knows she needs a method of secure centralized access to the company’s network resources. Which
of the following is the BEST service for Ann to implement?
A.
RADIUS
B.
LDAP
C.
SAML
D.
TACACS+
Explanation:
The Remote Authentication Dial In User Service (RADIUS) networking protocol offers centralized
Authentication, Authorization, and Accounting (AAA) management for users who make use of a network
service.
Incorrect Answers:
B: The Lightweight Directory Access Protocol (LDAP) is an open, vendor-neutral, industry standard
application protocol for accessing and maintaining distributed directory information services over an
Internet Protocol (IP) network.C: Security Assertion Markup Language (SAML) is an open-standard data format based on XML.
D: TACACS+ makes use of the authentication, authorization, and accounting (AAA) architecture. However,
unlike RADIUS, these separate components of the protocol can be segregated and handled on separate
servers.http://en.wikipedia.org/wiki/RADIUS
http://en.wikipedia.org/wiki/Lightweight_Directory_Access_Protocol
Stewart, James Michael, CompTIA Security+ Review Guide, Sybex, Indianapolis, 2014, p. 275
http://en.wikipedia.org/wiki/TACACS