An entity on a network that can be managed, such as a system, repeater, router, gateway, switch or firewall.
What is a node?
100
The U.S. Department of Defense agency that created the first global computer network.
What is ARPA?
100
The three elements required to connect to the Internet that are generally acquired when you buy a computer.
What is computer, operating system, and TCP/IP?
100
A circuit board within a computer's central processing unit that serves as the interface enabling the computer to connect to a network.
What is the network interface card? or (NIC)
100
The data transmission standard for the Internet. Every computer connected to the Internet has its own address which enables a packet of data to be delivered to a specific computer.
What is an Internet Protocol? or IP
200
An individual computer connected to a network.
What is a client?
200
The highest level in the computer network hierarchy, to which smaller networks typically connect.
What is a backbone?
200
An organization that maintains a gateway to the Internet and rents access to customers on a per-use or subscription basis.
What is an Internet Service Provider? or ISP
200
A device that enables wireless systems to communicate with each other, provided that they are on the same network.
What is a wireless access point? or (AP)
200
The protocol for transporting HTML documents across the Internet.
What is Hypertext Transfer Protocol? or HTTP
300
A group of computers connected within a confined geographic area.
What is a LAN?
300
A node on a network that serves as a portal to other networks.
What is a gateway?
300
A communication standard for sending voice, video or data over digital telephone lines.
What is Integrated Services Digital Network? or ISDN
300
Developed by the Institute of electrical and Electronics Engineers (IEEE), refers to a family of specifications for wireless network technology.
What is the 802.11 standard?
300
An Internet protocol used to transfer files between computers; allows file transfer without corruption or alteration.
What is File Transfer Protocol? or FTP
400
A group of computers connected over an expansive geographic area so their users can share files and services.
What is a WAN?
400
A software application that enables users to access and view Web pages on the Internet.
What is a Web Browser?
400
An analog device that enables computers to communicate over telephone lines by translating digital data into audio/analog signals and then back into digital form.
What is a modem?
400
A high-speed direct Internet connection that uses all-digital networks
What is a Digital Subscriber Line? or DSL
400
The Internet standard protocol for transferring outgoing e-mail messages from one computer to another.
What is Simple Mail Transfer Protocol? or SMTP
500
The model that divides computing tasks between the client and the server using a common set of protocols.
What is a Client/Server Model?
500
A suite of protocols that turns data into blocks of information called packets, which are sent across the Internet. Often considered the standard protocol used by the Internet.
What is TCP/IP? or Transmission Control Protocol/Internet Protocol.
500
The amount of information, sometimes called traffic, that can be carried on a network at one time. Also, the rate of data transfer over a network connection, measured in bits per second.
What is bandwidth?
500
A wireless phone network capable of delivering high-speed broadband Internet access to mobile devices.