HOUR 3 Getting Data from Here to There: How Networking Works

What You’ll Learn in This Hour:

Network protocols and the OSI model for computer networks

Network addresses (IP and MAC)

Introduction to Ethernet, IP, and ATM

In the preceding hour, we learned why packet switching is important to data networking and the transport of data between computers. In this hour, we learn more about how networks transport data. The first part of this hour expands on the concept of protocols, with an explanation of the famous Open Systems Interconnection (OSI) model. Next, network addresses are explained, followed by introductions to Ethernet and ring networks. The Asynchronous Transfer Mode (ATM) protocol is highlighted, as well as a protocol operating ...

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