BGP ISPs prefixes advertised to enterprise edge routers

What do ISPs advertise to enterprise edge routers through BGP to allow them to reach the rest of the Internet?

  • They advertise only a default route.
  • They advertise a default route and a partial routing table.
  • They advertise the full Internet routing table.

Links:

https://networklessons.com/bgp/introduction-to-bgp/#Full_Internet_Routing_Table