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CHAPTER 3 NETWORKING MEDIA AND DATA LINK LAYERS
PROTOCOLS 65
3.1 Overview 65
3.2 Copper Media 65
3.2.1 Twisted-Pair Cable 66
3.2.1.1 Shielded Twisted-Pair Cable 66
3.3 Optical Media 69
3.3.1 Fiber-Optic Cables 69
3.3.1.1 Multimode Fiber 72
3.3.1.2 Single-Mode Fiber 73
3.3.2 Connectors 74
3.4 Wireless Networking 75
3.5 Wireless LAN Organization and Standards 76
3.6 LAN Physical Layer 77
3.7 Ethernet Fundamentals 78
3.7.1 IEEE 802.3/Ethernet and the OSI Model 78
3.7.2 Ethernet Frame Structure 81
3.7.3 Ethernet Operation 82
3.7.4 Media Access Control 82
3.7.5 Simplex, Half-Duplex, and Full-Duplex Operation 84
3.7.6 Ethernet Timing 85
3.8 Collision Domains and Broadcast Domains 88
3.8.1 Broadcast Domains 90
3.9 Introduction to the Spanning Tree Protocol 91
CHAPTER 4 NETWORK DESIGN 96
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