This chapter provided you with an overview of the TCP/IP model. We went through the four layers: application, transport, internet, and network. We covered the functionality of each layer and some tools found within the model.
In this chapter, you learned how to use a terminal emulator, such as PuTTY, to make a Telnet connection. You also used the FTP tool to transfer files from a remote device. By understanding the TCP/IP model, not only will you have the knowledge required by the exam, but you will also be able to apply what you've learned to real-world scenarios. A firm understanding will provide you with the ability to troubleshoot networks more efficiently and identify points of failure.
In Chapter 11, Understanding IPv4, we will cover one of the key areas of networking, namely IPv4 addressing. We will discuss classful and classless addressing by highlighting...