A VPN? will allow the child to connect to the home network, and access resources within the LAN?. They will obviously need an internet connection, but considering that the computer will give them the access they will need, then they can print, or access their NAS?. The child could also use the VPN to look like they are browsing the internet from the residence which might prove useful for some reason. The important thing about a VPN is everything is end – end encrypted.