What is the best way to confirm that AAA authentication is working properly?
A . Use the test aaa command.
B . Ping the NAS to confirm connectivity.
C . Use the Cisco-recommended configuration for AAA authentication.
D . Log into and out of the router, and then check the NAS authentication log.
Answer: A
Explanation:
#test aaa group tacacs+ admin cisco123 legacy – A llow verification of the authentication function working between the AAA client (the router) and the ACS server (the AAA server).
Source: Cisco Official Certification Guide, Table 3-6 Command Reference, p.68