ITM 102 Lecture Notes - Lecture 12: Local Area Network, Wide Area Network, Voice Over Ip

• School: Ryerson University
• Department: Information Technology Management
• Course: ITM 102
• Professor: Ozgur Turetken

Document Summary

Telecommunication systems: enable the transmission of data over public or private networks. Network: a communications, data exchange, and resource-sharing system created by linking two or more computers and establishing standards, or protocols, so that they can work together. Wide area network (wan): spans a large geographic area, such as a state, province, or country. Metropolitan area network (man): a large computer network usually spanning a city. Voice over ip (voip): uses tcp/ip technology to transmit voice calls over long-distance telephone. Business application integration (ex. tying ip telephony to a customer database) Virtual private network (vpn): a way to use the public telecommunication infrastructure (ex. Internet) to provide secure access to an organization"s network information through a high-capacity connection. Value-added network (van): a private network, provided by a third party, for exchanging. Provide for the transparent exchange of data with suppliers, trading partners, and customers. Reliably and securely exchange information internally and externally via the internet or other networks.