Wired Connection To A Mac

I am about to go into training for a new work from home job. They don’t allow the connection to the computer to be done via WiFi so you have to have a Ethernet connected to your source of internet . My Cox provided WiFi is located in my living room but I need wired connection in my bedroom. What do I need to add because having a 50+ft Ethernet cable running through the halls is not a option.
 
You can always Private Msg (aka conversation) if the need arises :)
 
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