What does different screen size have to do with the display apperance of sites?

Kyle, a receptionist for a building supply company, recently won an award for saving his company money on their phone system. after being presented with kyle's research, the company changed the way in which it made long-distance phone calls and cut their expenses in this area by 75 percent. the new system the kyle's company most likely adopted was wired communications switching stations voip hdtv

List 3 items that were on kens resume that should have been excluded

Setting up a home network using wireless connections is creating a a. vpn b. lan c. wan d. mini-internet