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Sams Teach Yourself TCP/IP in 24 Hours, Fifth Edition by Joe Casad

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Hour 2. How TCP/IP Works

What You’ll Learn in This Hour:

TCP/IP protocol system

The OSI model

Data packages

How TCP/IP protocols interact

TCP/IP is a system (or suite) of protocols, and a protocol is a system of rules and procedures. For the most part, the hardware and software of the communicating computers carry out the rules of TCP/IP communications—the user does not have to get involved with the details. Still, a working knowledge of TCP/IP is essential if you want to navigate through the configuration and troubleshoot problems you’ll face with TCP/IP networks.

This hour describes the TCP/IP protocol system and shows how the components of TCP/IP work together to send and receive data across the network.

At the completion of this ...

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