what is internetworking and internet? we have heard about the internet everyone knows about internet nowadays internet come from internet working this a collection of packet switching and broadcast networks That are connected together so this picture is from a text so it's kind of older text so is they have the US backbone and the European backbone they're supposed to be like Thailand somewhere there and also there is leased line to Asia this Trans-Atlantic line something Like that so then they’re connected to the regional network and the regional network also connected to the LAN inside of also connected to the LAN. so it's becoming like smaller and smaller so that time we still have the Token bus and Token Ring in use a lot and then we have also the Ethernet LAN so you can see that there is a national network from the backbone go to national network and then go to the smaller network like LAN . so basically internetworking means ...
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