This is now the era of network! Internet is everywhere and your daily life is almost completely relied on it. Therefore, network protocol plays a very important role in everyday's network activities and TCP/IP is almost the most important network protocol in the Internet.
Based on my almost 10 years' TCP/IP experience, you can learn the very detailed knowledge about TCP/IP. After finishing this lesson you will know how TCP/IP works and how to apply this very important network protocol!