How do urban local area networks (grid) work?

Question

Network administration

Hello! I'm going to buy wired internet, and there is also access to the local network.
Can anyone explain to me (to a complete noob) how they most work? How to pull information from there and through what, what will be visible, and so on? Thank you in advance for your response.

Answer 1

from you to the attic they will throw 4 parks, in the attic there is a switch that is connected to the citywide optical network, the optics go to the coupling, from the coupling to the cross and the optical switch, from the switch the same houses are connected and another optics goes to the provider's main switch, from there to authorization servers, to the router and gate, then almost the same as in the beginning, only to the next provider.