Answers to Chapter 12 Q&A Section 443
16
What command is used to enable AAA on a router?
aaa new-model
17
What is Kerberos?
It is a security protocol that can be used for authorization.
18
What commands, when tracked, should use the wait-start argument?
wait-start is important when the tracked event, such as reload or shutdown, might cause a
loss of connectivity with the accounting database.
19
Virtual profiles enable the router administrator to...
a. provide a resource without knowing details about the connection
b. check the AAA server to see if a connection should be made
c. back up interface parameters on a TACACS server
The answer is a.
20
What is stored in a virtual profile?
The user-specific information for a particular connection is stored in a virtual profile on
the AAA server. This information is specific to the destination being called and the
connection being used. The key to a virtual profile is that it can be centrally managed.