I mean in like how do we send a signal that could casted over to the other side of the world. Like do we send it to a satellite then send it back or do we send the signal on earth, I’m confused
In: Technology
Typically the WAN uses fiber optics rather than satellites.
A router looks at each incoming data packet, inspects the IP address, and then uses a large table in memory to look up which line it should send the packet down to get it closer to that address.
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