Hour 1. What Is TCP/IP?
What You’ll Learn in This Hour:
Networks and network protocols
History of TCP/IP
Important features of TCP/IP
Transmission Control Protocol/Internet Protocol (TCP/IP) is a protocol system—a collection of protocols that supports 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. ...
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