Chapter 9

Networking: Wired and Wireless

All Devices Talking to One Another


This chapter covers both wired and wireless networks. Networks are defined, and the main types of networks are identified. Network topologies are discussed. Wired network coverage emphasizes the most widely used technology called Ethernet. Optical networking is explained, and the Sonet and optical transport network technologies are briefly covered. A complete section focuses on the Internet and how it works. Wireless networking is introduced and the most widely used standards including Wi-Fi, Bluetooth, and ZigBee are described. In conclusion, broadband networking technologies such as the cable TV, telecom digital subscriber line, and wireless broadband technologies ...

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