Book Description

Computer Networks begins with an introduction to computer networks. It discusses the uses of computer networks, network hardware, and software and reference models. This chapter also takes a look at some example networks like the Internet, Ethernet, and wireless networks. The organizations that define networking standards are introduced. In the next chapter, the author discusses the physical layer of networks. It first takes a look at the fundamentals of data communication and then looks at various technologies used in data transmission - transmission media, wireless communication, satellite transmission, telephone networks, mobile telephone network, and cable television. The third chapter looks at the data link layers. It first discusses the design issues for this layer and error detection and correction. Then, the various protocols relevant to this layer are introduced. Chapter 4 focuses on the medium access sub layer. This section covers channel allocation problems, multiple access protocols, Ethernet, wireless LANs, broadband wireless, Blue-tooth and data link layer switching.

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