The questions and scenarios in this book are designed to be challenging and to make sure that you know the answer. Rather than allowing you to derive the answers from clues hidden inside the questions themselves, the questions challenge your understanding and recall of the subject.

You can find the answers to these questions in Appendix A. For more practice with exam-like question formats, use the exam engine on the CD-ROM.

1.What command is used to configure the Integrated IS-IS router process?
2.What is the default routing level on a Cisco router?
3.What command is used to configure Integrated IS-IS routing on the interface?
4.How is the NET address configured on the router?
5.What command is used to show the state of adjacencies on the router?
6.What command identifies the designated intermediate system router for your LAN?
7.Explain briefly what show isis database reveals.
8.What command reveals the trigger for the last SPF calculation on the router?
9.For Frame Relay, when would you configure the map command with the broadcast parameter?
10.Which command is used to display all update packets that are both received and sent by a router?
11.Which command shows the LSPs in detail?
12.How would you ensure that an adjacency has been established?
13.What are the steps required for a basic configuration in IS-IS?
14.Give the commands required to summarize the networks through to into another area of IS-IS.
15.Which command verifies the circuit type and the metric?
16.For which WAN topology is a point-to-point configuration recommended?
17.Why is it necessary to map CLNS to the DLCI to support IS-IS?
18.In the show clns interface command, it is possible to identify the DIS on a multiaccess link. Which field in the output screen of this command would show the DIS for the segment?