LAN - a collection of devices connected together in one physical location, such as a building, office, or home, WAN - is a large network of information that is not tied to a single location, NFC - a short-range wireless technology that allows your phone to act as a transit pass or credit card, Network Topology - the physical and logical arrangement of nodes and connections in a network, Ring Topology - each device is connected to two other devices on either side via an RJ-45 cable or coaxial cable, Star Topology - a network topology in which each network component is physically connected to a central node such as a router, hub or switch, Mesh Topology - each computer and network device is interconnected with one another, Broadband - multiple signals are sent on multiple frequencies simultaneously using a single channel, Baseband - Use of only one signal to transmit data, Fiber Channel - high-speed data transfer protocol used to connect data storage to host servers, Internet - global interconnection of networks around the world, Extranet - a private network made available to clients of an organization, Intranet - similar to the Internet, but WITHIN an organization, Fiber Optic Cable - data transfers at the speed of light in a tiny channel, Twisted Pair - a cable consisting of two wires twisted around each other, used especially for telephone or computer applications, Coaxial Cable - type of copper cable specially built with a metal shield and other components engineered to block signal interference., TLD (Top-Level Domain) - .com .net .edu .gov .us, Hub - a node that broadcasts data to every computer or Ethernet-based device connected to it, Switch - device in a computer network that connects other devices together, Firewall - a part of a computer system or network which is designed to block unauthorized access while permitting outward communication.,

Networking Terms

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