Which of the following denote the internet hardware requirements?

All five listed devices are legitimate pieces of internetworking hardware, so every statement counts.

Statement 1 is correct because a modem converts signals between digital data and the transmission line.

Statement 2 is correct because a hub connects multiple devices in a network segment.

Statement 3 and Statement 4 hold because a bridge joins network segments and a router forwards packets between networks.

Statement 5 holds because a gateway links networks that use different protocols.

Together these devices build and interconnect the networks that make up the internet.