It depends on what exactly you are doing outside the Lan. It will definitely fall under TCP/IP, but more specifically, you may be using HTTP, HTTPS, FTP, SMTP.
internet protocol address
IP address
HTTP
internet protocol
It allows computers to "talk" each other in network.
An IP address is a numerical value assigned to devices in a computer network that uses internet protocol between its computers. An IP network refers to a set of computers using this address.
internet Protocol address (or the IP address).
TCP-IP Protocol is how computers can connect to each other and the internet. The TCP (Transmission Control Protocol) is the the protocol which guarantees delivery of messages from the pc, and receives them too. The IP (Internet Protocol) is what the computers use as an addressing scheme (like a home address) its format is 4 series of numbers separated with dots, the numbers are between 0 and 255. eg, 192.168.2.1 - 192.168.2.255
I P Address means : internet Protocol ServiceIt is used for Internet and IntranetFor example: \\192.168.1.143
internet protocol
Internet protocol
ARP