There is no coax cable behind the outlet for the internet service.
There is a background-color that is important.
All outlets need to come from a main splitter.Only one outlet could be multiple.
"Comcast technicians and contractors do not perform any type of running lines through drywall or custom outlet work", according to a call from the company about a month ago.This is the customer's responsibility.
According to the person I spoke with, you as a customer are required to pay for the work and ensure that the new cables meet the requirements of the company.
Your landlord should handle this since it is a rental property.