Layer 2 technologies relate to the OSI Data Link Layer. Today’s modern enterprises, distributed networking world of multimedia, and client applications require greater bandwidth and a greater degree of control. Over the past decade almost all organizations have replaced their shared networking technology (hubs) with switches to create switched technologies.
A collision domain (also called a bandwidth domain) is made up of nodes and devices that share the same bandwidth. For instance, everything that is connected to a switch port, via a hub for example, is in a collision domain. This means that there is always the possibility of . . .
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