What you've said is true, but very simplified...Fiber is the best method(quality wise) but is also expensive.In my country(probably like anywhere else) isp's use fiber for long distance and when they get at a 100m radius they switch to Cooper.Copper cables have a limit of about 100 m before the signal is too destroyed.
Fiber uses light to mark bits however on a single fiber you can cramp in multiple wavelengths(ex red ,green...etc...will be measured in nanometers as wavelength).
So fiber is quite insensible to distance...nearly no interference and high throughput...but expensive and it needs equipment(fiber to Cooper cable convertor/modem) to work.Don't know if all onboard Lan cards on today's computers(if you have an older one) have fiber support.
Depending on the usage.There are few things in my mind, which is the best fiber optic cable or copper cable. I need help for the clear about this point. which is the better and faster connectivity cable?
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