From the course: CompTIA A+ Core 1 (220-1101) Cert Prep

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Beyond the LAN

Beyond the LAN

From the course: CompTIA A+ Core 1 (220-1101) Cert Prep

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Beyond the LAN

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- LAN, WAN, PAN. Ham, I mean, the A+ is full of these little acronyms. Now we've covered some of those, but I want to kind of take this episode and get them all wrapped up in one nice pretty bow. So, let's go ahead and get started with a LAN. A LAN is a group of computers that are all hooked together to one switch in such a way that they can easily communicate with each other. A LAN is distinct, because all of the computers within this one LAN are going to share an identical network ID. So, in this particular LAN, they're all going to be 192, 168, 4 dot something. Now, we can have lots of LANs. Lots and lots of LANS all over the place. And if we start to interconnect these LANs using routers, we no longer have a single LAN. What we now have is a WAN. So a Wide Area Network that has a bunch of Local Area Networks interconnected with one or more routers. And each one of these LANs has a unique network ID. Now, if we…

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