CIW IBA Lesson 3 Vocabulary

A U.S. Department of Defense agency that created the first global computer network.

• Advanced Research Projects Agency (ARPA)

• Agency for Advanced Research Projects (AARP)

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

• ARPANET

• DSL

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

• Backbone

• Bandwidth

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

• Bandwidth

• Internet Service Provider (ISP)

An individual computer connected to a network.

• client

• root-level server

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

• Digital Subscriber Line (DSL)

• 4G mobile hotspot

An IP address represented in words.

• domain name

• Hypertext Transfer Protocol (HTTP)

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

• File Transfer Protocol (FTP)

• Hypertext Transfer Protocol (HTTP)

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

• gateway

• network

A computer that other computers can use to gain information.

• host

• internet