I CSI 101 Chapter Notes - Chapter 4: Transmission Control Protocol, Semantic Web, Local Area Network

• School: SUNY Albany
• Department: Computer Science
• Course: I CSI 101
• Professor: Gino Crispieri

Document Summary

Personal area network (pan: mouse, headset, smartphone local area network (lan, university campus or single building metropolitan area (man, community or across campuses wide area network (wan, across cities, world ownership. Closed versus open: a closed network is usually owned corporation by a company or, open network is one provided to the public domain, topology (configuration) Star (1970 central computer server: wireless networks with central access point (ap) The difference is not obvious because ethernet networks are connected via hubs. Protocols: in any network it is important to have rules by which devices communicate its activities. Used in ethernet (everyone listens to the message) Silent bus provides right to introduce new message. Sometimes multiple requests can block each other: csma/ca. When distances in the network causes weakened the signal to be: bridge: connects two compatible networks, switch: connects several compatible networks.