ITM 102 Chapter Notes - Chapter 7: Network Interface, Telephone Network, Internet2

• School: Ryerson University
• Department: Information Technology Management
• Course: ITM 102
• Professor: Bharat Shah

Document Summary

Networks in large companies: hundreds of local area networks (lans) linked to firm-wide corporate network, various powerful servers, website, corporate intranet, extranet, backend systems, mobile wireless lans (wi-fi networks, videoconferencing system, telephone network, wireless cell phones. Transmission media and transmission speed: physical transmission media, twisted pair wire (cat5, coaxial cable, fiber optics cable, wireless transmission media and devices, satellites, cellular systems, transmission speed, bits per second (bps, hertz, bandwidth. Internet addressing and architecture: each device on internet assigned internet protocol (ip) address, 32-bit number, e. g. 207. 46. 250. 119, the domain name system (dns, converts ip addresses to domain names, hierarchical structure, top-level domains. Internet architecture and governance: network service providers, own trunk lines (high-speed backbone networks, regional telephone and cable tv companies, provide regional and local access, professional organizations and government bodies establish internet standards. Ipv6: new addressing scheme for ip numbers, will provide more than a quadrillion new addresses, not compatible with current ipv5 addressing.