Ethernet: a popular networking architecture developedin 1976 at Xerox
Wi-Fi: a popular wireless LAN technology that allows multiple computers to connect to a LAN through a base station up to 150 feet away wireless access point: a communication device, typically connected to a wired network, that is used to create a wireless network
LAN: Local area network: multiple personal comuters connected on a network MAN: metropolitan area network: a service that links two or more LANs within a city WAN: wide area network: a network that extends over a long distance. each network site is a node on the network
node: anything connected to the network routers: programs or devices that decide how to route Internet transmissions
fiber-optic cable: high-capacity cable that uses light waves to carry information at blinding speeds
client-host: client: part of network that requests information, recieves data. host: part that gives data out
server: a computer especially designed to provide software and other resources to other computers over a network access: physical proximity to a person, or knowledge about that person, a common theme in privacy discussions access permissions
spam: Internet junk mail phishing: the use of a deceptive email message or Web site to lure a person into divulging credit card numbers or other sensitive information
login: a one-word name that you type to identify yourself when connecting to a secure computer system, network, or email account password: the most common securtiy tools used to restrice access to computer systems
firewall: internet security system for computers VPN: Virtual Private Network: a network that uses encryption software to create secure "tunnels" through the public internet or between intranets, a method an organization can use to set up and extranet.
sysadmin: system administrator: person employed to maintain and operate a computer system and/or network
nodes: anything connected to a network work station: personal home computer
UPS: uninterruptible power supply: a hardwar device that protects computers from data loss during power failures
EDI: electronic data exchange: a set of specifications for conducting basic business transactions over private networks
blogs: short for web log, a personal web page that carries diary-like entires or political commentaries wiki: a web site that lets anyone iwth access to a web browser to modifiy its pages
asynchronous communication: Delayed communication, such as that used for newsgroups and mailing lists, where the sender and the recipients don’t have to be logged in at the same time. real-time communication: Internet communication that enables you to communicate with other users who are logged on at the same time. chat room: public real-time teleconference IM: instant messaging: a technorlogy that enables users to create buddy lists, check for buddies who are logged in, and exchange typed messages and files with those who are
bps: bits per second
GPS: global positioning system: a defense department system with 24 satellites that can pinpoint any location on the Earth
Internet telephony: A combination of software and hardware technology that enables the Internet to, in effect, serve as a telephone network. Internet telephony systems can use standard telephones, computers, or both to send and receive voice messages. VoIP: voice over IP: a protocol that allows the Internet to be used to mave voice telephone calls video teleconference: Face-to-face communication over long distances using video and computer technology. voice mail: a telephone-based messaging system with many of the features of an email system
NOS: network operating system: server operating system software fo a LAN
workstation: personal home computer
client-host: client, part of network that recieves data. host: part that gives data out
server: allows many users access to same information ex. websites stored on servers
Network interface card: allows you to connect an Ethernet or other internet using this card
protocol: how data is formatted, transmitted, and received.
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