Hour 1. What Is TCP/IP?
What You'll Learn in This Hour:
TCP/IP is a protocol system—a collection of protocols that support network communications. The answer to the question What is a protocol? must begin with the question What is a network?
This hour describes what a network is and shows why networks need protocols. You'll also learn what TCP/IP is, what it does, and where it began.
At the completion of this hour, you'll be able to
Define the term network
Explain what a network protocol suite is
Explain what TCP/IP is
Discuss the history of TCP/IP
List some important features of TCP/IP
Identify the organizations that oversee TCP/IP and the Internet
Explain what RFCs are and where to find them