Cisco 642-552 Question Description, Prepare for the Cisco 642-552 Prep Guide On Store
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QUESTION 35
Which three ways can AAA services be implemented for Cisco routers? (Choose three.)
A. self-contained AAA services in the router itself
B. Cisco Secure ACS Network Module
C. Cisco Secure ACS Solution Engine
D. Cisco Security Manager AAA Service Module
E. Cisco Secure ACS for Windows Servers
F. Cisco Security Manager ACS Service Module
Correct Answer: ACE Section: (none) Explanation
Explanation/Reference:
Explanation: Authentication, authorization, and accounting (AAA) is a way to control who is allowed to access your network (authenticate), what they can do while they are there (authorize), and to audit what actions they performed while accessing the network (accounting). AAA can be used in Internet Protocol Security (IPSec) to provide preshared keys during the Internet Security Association and Key Management Protocol (ISAKMP) process or to provide per-user authentication, known as XAUTH, during ISAKMP. AAA can be used to provide a mechanism for authorizing commands that administrators enter at the command line of a Cisco device. This is called command-line authorization. AAA is also seen in a Virtual Private Dial-Up Networking (VPDN) tunnel set up between two routers.