How do I determine which network adapter my computer is using?

Solution 1:

Open up the Task Manager, go to the Networking tab, and you can see which adapters are being utilized.

Solution 2:

You can identify the adapter by MAC address (Physical Address) using the ipconfig /all command.

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Solution 3:

Have you tried an ipconfig in a windows command prompt (cmd.exe) ?

Also, when you open the connection status (right clic on your connection, then status), you will see how much paquet were sent and received.