The answers provided in this section are not necessarily the only possible answers to the questions. The questions are designed to test your knowledge and to give practical exercise in certain key areas. This section is intended to test and exercise skills and concepts detailed in the body of this chapter.
If your answer is different, ask yourself whether it follows the tenets explained in the answers provided. Your answer is correct not if it matches the solution provided in the book, but rather if it has included the principles of design laid out in the chapter.
In this way, the testing provided in these scenarios is deeper: It examines not only your knowledge, but also your understanding and ability to apply that knowledge to problems.
If you do not get the correct answer, refer back to the text and review the subject tested . Be certain also to review your notes on the question to ensure that you understand the principles of the subject.
Scenario 1-1 Answers
What routing protocol derived the route 18.104.22.168?
What router interface IP address is used to reach IP network 22.214.171.124?
126.96.36.199. The fourth column of the sample output specifies the address of the router that can build a route to the specified remote network.
When was the last time that the route 188.8.131.52 was updated?
0:02:22. The fifth column of the sample output specifies the last time the route was updated, in hours:minutes:seconds.
Through which router interface can the IP network 184.108.40.206 be reached?
Ethernet2. The last column in the sample output specifies the interface through which the specified network can be reached.