ITM 301 Study Guide - Midterm Guide: Simple Mail Transfer Protocol, Optical Fiber Cable, Statistical Time-Division Multiplexing

• School: Ryerson University
• Department: Information Technology Management
• Course: ITM 301
• Professor: Franklyn Prescod

Document Summary

Server (host computer) stores data or software that can be accessed by the clients. Client the input-output hardware device at the user"s end of a communication circuit. Circuit the pathway through which the messages travel. Telecommunications - transmission of voice, video, and/or data. Data communications - movement of computer information by means of electrical or optical transmission systems. A group of pcs that share a circuit: backbone networks (bn) - less than few kms. A high speed backbone linking together organizational lans at various locations: metropolitan area networks (man) - (more than a few kms) connects lans and bns across different locations. Often uses leased lines or other services used to transmit data: wide area networks (wans) - (far greater than 10 kms) A lan that uses the internet technologies within an organization. Example: insurance related information provided to employees over an intranet. A lan that uses the internet technologies across an organization including some external constituents.