Do I Know This Already Quiz

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

The ten-question quiz, derived from the major sections in "Foundation Topics" portion of the chapter, helps you determine how to spend your limited study time.

Table 13-1 outlines the major topics discussed in this chapter and the "Do I Know This Already?" quiz questions that correspond to those topics.

Table 13-1 "Do I Know This Already?" Foundation Topics Section-to-Question Mapping

Foundations Topics Section

Questions Covered in This Section

Configuring IP Addresses

1-4

IP Troubleshooting Features

5-10

CAUTION The goal of self-assessment is to gauge your mastery of the topics in this chapter. If you do not know the answer to a question or are only partially sure of the answer, you should mark this question wrong for purposes of the self-assessment. Giving yourself credit for an answer that you correctly guess skews your self-assessment results and might provide you with a false sense of security.

1. Which of the following commands is valid for the configuration of IP address 10.1.1.1, mask 255.255.255.0?

a.

IP

address

10.1.

1.1

b.

ip

address

10.1.

1.1

c.

ip

address

10.1.

1.1

d.

iP

address

10.1.

1.1

e.

iP

address

10.1.

1.1

2. Which of the following must be true before Cisco IOS Software adds a connected route to the routing table?

a. IP address must be configured on an interface.

b. A 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 status must be up and up.

3. Which of the following represents the same ideas as mask 255.255.240.0?

a.

/16

b.

/18

c.

/20

d.

/22

e.

/24

f.

/26

g.

/192

h.

/224

¡.

/240

4. What command brings up an interface that previously was administratively disabled?

a.

no shutdown

b.

shutdown

c.

enable

d.

up

e.

no disable

f.

disable

5. Imagine that a PC is attached to the same Ethernet as a router. The PC makes a DNS request for host name Fred, and the PC gets a reply showing IP address 10.1.1.1. What command could be issued on the router to list the information learned in that DNS request and reply?

a. show hosts b. show ip hosts c. show names d. None of the above

6. Imagine that a neighboring router's host name is Hannah. Which of these commands could tell you information about the IOS version on Hannah, without Telnetting to Hannah?

a. show neighbor b. show neighbor Hannah c. show cdp d. show cdp Hannah e. show cdp interface f. show cdp neighbor g. show cdp neighbor Hannah h. show cdp entry hannah i. show cdp neighbor detail

7. What CDP command(s) could identify the model of hardware of a neighbor?

a.

show

neighbors

b.

show

neighbors Hannah

c.

show

cdp

d.

show

cdp Hannah

e.

show

cdp interface

f.

show

cdp neighbors

g.

show

cdp entry hannah

h.

show

cdp neighbors detail

8. Imagine that you used a ping command successfully. What messages would have been sent by the ping command?

a. ICMP ping b. ICMP echo request c. ICMP echo management d. ICMP query

9. Imagine that you just erased all the configuration on a router and reloaded it. To configure the router to use a DNS at IP address 10.1.1.1, which of the following commands is required?

c. ip domain-lookup d. ip dns-lookup

10. Imagine that you just logged in to the console of router R1 and then Telnetted to R2. What must you type to suspend your Telnet connection, going back to R1?

a. suspend b. Ctrl-z c. Ctrl-Shift-6, then x d. quit

The answers to the "Do I Know This Already?" quiz are found in Appendix A, "Answers to the 'Do I Know This Already?' Quizzes and Q&A Sections." The suggested choices for your next step are as follows:

■ 8 or less overall score—Read the entire chapter. This includes the "Foundation Topics" and "Foundation Summary" sections and the Q&A section.

■ 9 or 10 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.

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