Written Lab

Provide the answers to the following questions:

You can find the answers in Appendix B.

1. What might be the problem if a DHCP client suddenly finds itself in a different IP subnet from the one it should be in?

2. Name the protocol that uses both TCP ports 20 and 21.

3. What two Transport layer protocols does a DNS server use?

4. Which protocol dynamically reports errors to source hosts by using IP directly to build packets?

5. What could cause a server that you can ping not to provide the particular TCP/IP service, such as FTP, HTTP, and so on, that you expect it to offer?

6. What might cause your email to stop functioning properly when you change Internet service providers?

7. Which Unix command is used for terminal emulation in the same way Telnet is used?