Hour 2. How TCP/IP Works
What You'll Learn in This Hour:
TCP/IP protocol layers
The OSI model
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 troubleshooting 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 hour, you will be able ...
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