IS 312 Lecture Notes - Lecture 3: Wimax, Application Layer, Western Governors University

• School: CSUN
• Department: Accounting and Information Systems
• Course: IS 312
• Professor: Christopher G Jones

Document Summary

Compare and contrast the major types of networks. Describe the wireline communications media and transmission technologies. Describe the most common methods of accessing the internet. Explain the impact that networks have had on business and everyday life for each of the six major categories of network applications. Analog (wave signals) and digital (stream of bits) signals. Table 4. 1: advantages & disadvantages of wireline communications channels: 3 basic functions of tcp: move data packets between nodes, sequence of transfer of packets, acknowledges packet transmissions. Ip disassemble, deliver and reassemble data during transmission. Four layers of the tcp/ip reference model: application layer, transport layer communication and packet services, internet layer addressing, routing and packaging data packets, network interface layer move packets to/from media. 4. 3: the internet and the world wide web: Connecting via other means: internet kiosks, smart phones and ipads, cybercafes. Still used in the u. s. where broadband is not available.