ITM 301 Chapter Notes - Chapter 1-11: Symmetric Digital Subscriber Line, Frame Relay, Nokia Phone Series

• School: Ryerson University
• Department: Information Technology Management
• Course: ITM 301
• Professor: Farid Shirazi

Document Summary

Itm301- chapter 1: network: is a collection of it infrastructure (cables, servers, computers, switches, routers etc) People (stakeholders) and policies: 2 types of networks, peer-to-peer network. Supports maximum 10 nodes (pcs, laptops, servers, printers) Designed for small networks like home networks. Each node is a client and a server: client/server. At the heart of this network, there is a dedicated server: communication needs the following components: Example: teacher speaking to students: sender-> teacher, receiver-> student, communication language (protocol)-> english language tcp/ip, communication medium -> air, protocol is a set of standard rules and settings (or communication language) ex. Iso/osi model (open system interconnection: osi model (7 layers) Application: web, word, excel, email: presentation: text, language, compression. Security (encryption: session: handshaking, transport: tcp, network: ip, datalink: data flow, bits, physical: cable, wireless. Receiver: topology: is the physical arrangement of a network. The following important topologies exist: bus, star, token rink, wireless, sonet (synchronous optical network, conventional naming for topologies.