In this video we demonstrate that it is possible to use a network cable with an Apple iPad. However, in order to do this we needed to also use an Ethernet adapter. If your iPad has a USB Type C connector, then you simply need to connect a compatible USB Type C to Ethernet adapter into the port on the bottom of your iPad.
Note: For models of iPad that have a Lightning port, you will need to use a Lightning to USB 3 adapter. Then in order for your iPad to use a network cable, you will have to use a USB 3 to Ethernet adapter.