Review

The following questions are intended to reinforce key information presented in this chapter. If you are unable to answer a question, review the appropriate lesson and then try the question again.

1. Describe the difference between a LAN and a WAN. How can the use of the Internet support private WANs?
2. Which application protocol is used to transfer files over the Internet?
3. How do application protocols interact with TCP/IP? Have you ever needed to create a custom application protocol?
4. Which programming interface should you use when developing a network-based application that requires the most flexibility when interacting with TCP/IP?

   Answers