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Table Of Contents  CertiGuide to A+ (Core Hardware)
 9  Chapter 1011:  Networking
      9  IX  Networking Devices

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Bridge over Divided LANs

Another hardware device that seems to be going the way of the dodo bird is the bridge. A bridge knows which PCs live on either side of it. When network traffic (say email) needs to leave one LAN and head to another, the bridge is the way it gets there. Otherwise it doesn't send the data, the way a hub would. Bridges work just like switches, however a switch handles more ports coming in and out than a bridge, which is why switches are taking over.

Don’t worry if you don't understand all this all at once. The topics covered in this chapter extended beyond the A+ test into the realm of Network+. Of course, there is much more to networking than what we have discussed. If networking interests you, it is highly suggested that you pursue Network+ certification after you complete A+.


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