CHAPTER 3Basic Networking and Communications
In this chapter, you will learn about
• The Open Systems Interconnection (OSI) and Transmission Control Protocol/Internet Protocol (TCP/IP) models
• Bus, star, and token ring network configurations
• Common protocols in the TCP/IP suite
• Ports used with common protocols
• Different network architectures such as the Internet, intranet, extranet, and demilitarized zones (DMZs)
• Wireless security protocols such as Wired Equivalent Privacy (WEP), Wi-Fi Protected Access (WPA), and WPA2
• Wireless technologies such as Bluetooth, RFID, 802.11, WiMax, GSM, 3G, and NFC
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