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Sams Teach Yourself Network Troubleshooting in 24 Hours, Second Edition by Jonathan Feldman

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Shared Ethernet Characteristics

First of all, what does a shared network mean? And how does a shared Ethernet share?

A network that uses shared media is also called a broadcast network because all traffic is universally receivable by all nodes on that network bus. The bus (also called the segment) is the collection of everything that ties these nodes together (typically hubs). This is opposed to a point-to-point network like your PC’s dialup connection, where only your PC and the dialup server see the traffic.

Media Access Control

Obviously, some sort of sharing method is necessary on a broadcast network. The way that any shared network, including Ethernet, implements media sharing rules is called its MAC—Media Access Control. Media Access ...

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