142 Chapter 5: RIP, IGRP, and Static Route Concepts and Configuration

“Do I Know This Already?” Quiz

The purpose of the “Do I Know This Already?” quiz is to help you decide if you need to read the entire chapter. If you intend to read the entire chapter, you do not necessarily need to answer these questions now.

The nine-question quiz, derived from the major sections in the “Foundation Topics” section, helps you determine how to spend your limited study time.

Table 5-1 outlines the major topics discussed in this chapter and the “Do I Know This Already?” quiz questions that correspond to those topics.

Table 5-1 “Do I Know This Already?” Foundation Topics Section-to-Question Mapping

CAUTION The goal of self-assessment is to gauge your mastery of the topics in this chapter. If you don’t know the answer to a question or you’re only partially sure of the answer, you should mark this question as wrong for purposes of the self-assessment. Giving yourself credit for an answer you guess correctly skews your self-assessment results and might give you a false sense of security.

1.Which of the following must be true before IOS lists a route as “S” in the output of a show ip route command?

a.The IP address must be configured on an interface.

b.The router must receive a routing update from a neighboring router.

c.The ip route command must be added to the configuration.

d.The ip address command must use the special keyword.

e.The interface must be up and up.

2.Which of the following commands correctly configures a static route?

a.ip route 10.1.3.0 255.255.255.0 10.1.130.253

b.ip route 10.1.3.0 serial 0

c.ip route 10.1.3.0 /24 10.1.130.253

d.ip route 10.1.3.0 /24 serial 0

“Do I Know This Already?” Quiz 143

3.Which of the following distance vector features prevents routing loops by causing the routing protocol to advertise only a subset of known routes, as opposed to the full routing table?

a.Distance vector

b.Link-state

c.Holddown

d.Split horizon

e.Route poisoning

4.Which of the following features prevents routing loops by advertising an infinite metric route when a route fails?

a.Distance vector

b.Link-state

c.Holddown

d.Split horizon

e.Route poisoning

5.Router1 has interfaces with addresses 9.1.1.1 and 10.1.1.1. Router 2, connected to Router1 over a serial link, has addresses 10.1.1.2 and 11.1.1.2. Which of the

following commands would be part of a complete RIP configuration on Router2, with which Router2 advertises out all interfaces, and about all routes?

a.router rip

b.router rip 3

c.network 9.0.0.0

d.network 9.1.1.1

e.network 10.0.0.0

f.network 10.1.1.1

g.network 10.1.1.2

h.network 11.0.0.0

i.network 11.1.1.2

6.Which of the following situations would cause RIP or IGRP to remove all the routes learned from a particular neighboring router?

a.Failure to receive a keepalive

b.It no longer receives updates from that neighbor

c.Updates received 5 or more seconds after the last update was sent to that neighbor

d.Updates from that neighbor have the global “route bad” flag

144Chapter 5: RIP, IGRP, and Static Route Concepts and Configuration

7.Which of the following network commands, following a router rip command, would cause RIP to send updates out two interfaces whose IP addresses are 10.1.2.1 and 10.1.1.1, mask 255.255.255.0?

a.network 10.0.0.0

b.network 10.1.1.0 10.1.2.0

c.network 10.1.1.1. 10.1.2.1

d.network 10.1.0.0 255.255.0.0

e.network 10

f.You can’t do this with only one network command.

8.What command(s) list(s) information identifying the neighboring routers that are sending routing information to a particular router?

a.show ip

b.show ip protocol

c.show ip routing-protocols

d.show ip route

e.show ip route neighbor

f.show ip route received

9.What part of the output of the show ip route command identifies the metric associated with the route?

a.The first number in the line describing the route

b.The last number in the line describing the route

c.The number after the word “metric” in the line describing the route

d.The first number in brackets in the line describing the route

e.The last number in brackets in the line describing the route

The answers to the “Do I Know This Already?” quiz appear in Appendix A. The suggested choices for your next step are as follows:

■7 or less overall score—Read the entire chapter. This includes the “Foundation Topics,” “Foundation Summary,” and “Q&A” sections.

■8 or 9 overall score—If you want more review on these topics, skip to the “Foundation Summary” section and then go to the “Q&A” section. Otherwise, move to the next chapter.