442 Chapter A: Answers to the "Do I Know This Already?" Quizzes and Q&A Sections
6
What does the command aaa authentication enable do on the router?
It declares the method for privileged mode access.
7
AAA has been enabled for the router, but there is no authentication method declared on
the console port. What is the result?
The default authentication method for login is used.
8
What communication method--packet or character--is used on the console port of a
router?
Character mode sends keystrokes to the router through the TTY, vty, AUX, and CON ports
for configuration or query commands.
9
What are the five authentication modes on a router?
Login, enable, ARAP, PPP, and NASI are the modes.
10
What authentication method is used on an interface without a AAA defined method?
The default method is used. If no default method has been specified, no authentication
takes place.
11
What is the consequence of not having an authorization statement for level 15 commands
if AAA has been enabled on the router?
Anyone in privilege mode can execute a level 15 command.
12
To ensure that the use of the shutdown command is recorded to the AAA database, what
command should you use?
You should use aaa accounting command 15 wait-start tacacs+.
13
What is the command to enable AAA using RADIUS?
aaa new-model
radius-server host radius-ip-address
radius-server key password
14
What is authorization?
Authorization enables the administrator to control authorization on a one-time, per-
service, per-user list, per-group, or per-protocol basis.
15
What does the argument start-stop mean when using AAA accounting?
The start-stop argument sends an accounting record when the process begins. This is sent
as a background process, and the user request begins without delay. When the user process
is completed, the stop time and information is sent to the AAA database. This option is
needed when an elapsed time of usage is required.