CCNA 2-Chapter 4
Review Questions
1. What are all the steps required to be able to telnet to a host using the host
name instead of the IP address?
2. What is the function of CDP?
3. How do you obtain CDP information from a remote router or a switch?
4. What is the information displayed by the “show cdp neighbors” command?
5. What is the command used to enable CDP on an interface? What
configuration mode?
6. Which show command is used to display global CDP information?
7. In the following diagram, which devices will router A be able to learn about
through CDP?
8. Would CDP work between an ip and ipx device?
9. How can you learn the IP address of a switch that is connected to a router one
hop away from the router you are consoled into?
10. What is the purpose of the “cdp timers” command?
11. List the information in the TLVs fields. ( refer to the following diagram)
12. What are all the configuration commands needed (In global and interface
configuration mode) to enable an interface to send and receive CDP?
13. What could be used to perform name translation in order to be able to telnet to
a host by name?
14. What is the difference between using the “resume command” and striking the
enter key when reopening a suspended telnet session?
15. Why would a network administrator use the telnet application when
troubleshooting a network?
16. Which protocol does ping use?
17. How does CDP map to the OSI model?
18. Which devices are capable of understanding CDP? (hint: what is SNAP?)
19. Which command is used to build a host table and in which configuration
mode this command is typed?
20. What does the * in traceroute mean?
21. What does “.” and “!” in ping command output mean?