MCS 2020 Lecture Notes - Lecture 10: Wireless Lan, Personal Area Network, Local Area Network

• School: University of Guelph
• Department: Marketing and Consumer Studies
• Course: MCS 2020
• Professor: Nicole Mc Callum

Document Summary

Networks & internet: metcalfe"s law (alue ^ as individuals ^, 2 nodes (a-b, b-a, only two possible interactions, 3 nodes (a-b, b-a, a-c, c-a, b-c, c-b, we now have six possible interactions, putting value on network itself. !2: wan wide area network (ie. computer labs at different locations, internet network of networks, considered a wan, connections to lans, wans and other internets. Local area network: computers connected on a single site. Monday, october 17, 2016: usually located within a kilometre or so of each other, with or without wires, located on property controlled by the company operating the lan. Monday, october 17, 2016: done by domain name resolvers, public assigned by icann. Two kinds of ip addresses: public ip addresses are used on the internet, private ip addresses are used within private networks and internet, they are controlled only by the private company who operates them. Domain name system (dns) converts human-friendly urls into computer-friendly ip.