A:AnswerI'm not sure what exactly you're trying to ask here, but USB type c charging cables will transfer data pretty well as long as charging well.. but if you are trying to use a charging cable with the intent of getting a connection to WiFi then you will need an Ethernet cable, there is fancy ways to hook a USB cable into Ethernet but they aren't practical in any sense of the word.
A:AnswerYou'll need both a long HDMI and a Mini DisplayPort-to-HDMI adapter to connect your MacBook Air providing it has either Mini DisplayPort or Thunderbolt port