A computer network, funded by the US Department of Defense that served as the basis for early networking research

The highest level in the computer network hierarchy, to which smaller networks typically connect.

The amount of information, or traffic, that can be carried on a network at one time.

An individual computer connected to a network.

A high-speed direct Internet connection that uses all-digital networks.

An IP address represented in words.

An Internet protocol used to transfer files between computers; allows file transfer without corruption or alteration.

A node on a network that serves as a portal to other networks.

A computer that other computers can use to gain information.

The protocol for transporting HTML documents across the Internet.

A communication standard for sending voice, video, or data over digital telephone lines.

A protocol that resides on an incoming mail server. Allows sharing of mailboxes and multiple mail server access.

The data transmission standard for the Internet. Enables a packet of data to be delivered to a specific computer.

An organization that maintains a gateway to the Internet and rents access to customers on a per-use or subscription basis.

A group of two or more computers connected so they can communicate with one another.

A group of computers connected within a confined geographic area.

Data processed by protocols so it can be sent across a network.

A protocol that allows a computer to connect to the Internet over a phone line.

A device that routes packets between networks based on network-layer addresses; determines the best path across a network. Also used to connect separate LANs to form a WAN.

A computer in a network that manages the network resources and provides, or serves, information to clients.

A suite of protocols that turns data into blocks of information called packets, which are then sent across the Internet. The standard protocol used by the Internet.

A group of computers connected over an expansive geographic area so their users can share files and services.

The official procedure or system of rules