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NETW202 Ch 1

Living in a Network-Centric World

QuestionAnswer
Data Network A digital network used to send data between computers.
Network Collection of computers, printers, routers, switches, and other devices that can communicate with each other over some transmission medium.
Instant Messaging Real-time communication between two or more people through text.
Intranet A corporate system such as a website that is explicitly used by internal employees. Can be accessed locally or remotely.
Extranet Part of a company's intranet that is extended to users outside the company.
Standards An internationally recognized definition of technical specifications that ensure worldwide consistency.
Internet Protocol (IP) Network layer protocol in the TCP/IP stack offering a connectionless internetwork service. IP provides features for addressing, type-of-service specification, fragmentation, and reassembly, and security. Documented in RFC 791.
Transmission Control Protocol (TCP) A layer 4 protocol of the TCP/IP model, TCP lets applications guarantee delivery of data across a network.
Packet End-user data along with networking headers and trailers that are transmitted through a network.
Bandwidth A measurement of the speed of bits that can be transmitted over a particular link. That amount of data that can be transmitted in a certain amount of time. Usually expressed in bits per second (bps)
XMPP Extensible Messaging Presence Protocol
OSCAR Open System for Communication in Realtime
SIP Session Initiation Protocol (IP Telephony)
Created by: AZ4ME
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