| Introduction |
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xvii | |
| Assessment Test |
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xl | |
| Chapter 1 Computer Networking Fundamentals |
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1 | (34) |
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2 | (5) |
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3 | (1) |
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3 | (1) |
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The Metropolitan Area Network |
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4 | (1) |
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5 | (1) |
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The Personal Area Network |
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6 | (1) |
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7 | (7) |
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8 | (1) |
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9 | (1) |
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10 | (1) |
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10 | (2) |
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12 | (1) |
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Point-to-Point Connections |
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13 | (1) |
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Point-to-Multipoint Connections |
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13 | (1) |
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14 | (7) |
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Layer 1 The Physical Layer |
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15 | (1) |
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Layer 2 The Data Link Layer |
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16 | (1) |
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Layer 3 The Network Layer |
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17 | (1) |
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Layer 4 The Transport Layer |
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17 | (1) |
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Layer 5 The Session Layer |
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18 | (1) |
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Layer 6 The Presentation Layer |
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18 | (1) |
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Layer 7 The Application Layer |
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18 | (1) |
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How the Layers Work Together |
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18 | (1) |
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19 | (1) |
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20 | (1) |
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21 | (6) |
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22 | (1) |
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23 | (2) |
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Network Address Translation |
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25 | (2) |
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27 | (1) |
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28 | (2) |
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30 | (5) |
| Chapter 2 Wireless Local Area Networking, Standards, and Certifications |
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35 | (42) |
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The Wireless Computer Network |
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36 | (2) |
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The Wireless Personal Area Network |
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36 | (1) |
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The Wireless Local Area Network |
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37 | (1) |
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The Wireless Metropolitan Area Network |
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37 | (1) |
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The Wireless Wide Area Network |
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38 | (1) |
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Building-to-Building Connectivity Using Wireless LAN Technology |
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38 | (2) |
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Wireless Point-to-Point Connections |
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38 | (1) |
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Wireless Point-to-Multipoint Connections |
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39 | (1) |
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Radio Frequency Regulatory Domain Governing Bodies and Local Regulatory Authorities |
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40 | (2) |
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United States: Federal Communications Commission |
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41 | (1) |
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Europe: European Telecommunications Standards Institute |
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42 | (1) |
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42 | (13) |
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43 | (1) |
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The IEEE 802.11a Amendment |
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44 | (1) |
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The IEEE 802.11b Amendment |
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45 | (1) |
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The IEEE 802.11g Amendment |
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46 | (3) |
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The IEEE 802.11n Amendment |
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49 | (1) |
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The IEEE 802.11ac Amendment |
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50 | (2) |
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Summary of IEEE 802.11 Communications Standards and Amendments |
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52 | (1) |
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Additional IEEE 802.11 Amendments |
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53 | (2) |
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Interoperability Certifications |
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55 | (4) |
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56 | (1) |
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The Wi-Fi Protected Access Certification |
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56 | (1) |
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The Wi-Fi Protected Access 2 Certification |
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57 | (1) |
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The Wi-Fi Multimedia Certification |
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58 | (1) |
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Wi-Fi Multimedia Power Save Certification |
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58 | (1) |
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Wi-Fi Protected Setup Certification Overview |
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58 | (1) |
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Common Wireless Local Area Network Deployment Scenarios |
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59 | (12) |
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60 | (1) |
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Enterprise Deployments: Corporate Data Access and End-User Mobility |
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61 | (1) |
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Extension of Existing Networks into Remote Locations |
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62 | (1) |
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Public Wireless Hotspots (Public Wi-Fi) and Hospitality |
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62 | (2) |
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Office (Carpeted) Deployments |
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64 | (1) |
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Educational Institution Deployments |
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64 | (3) |
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67 | (1) |
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67 | (2) |
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Last-Mile Data Delivery: Wireless ISP |
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69 | (1) |
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High-Density Deployments Including Conference Centers |
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70 | (1) |
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Municipal, Law Enforcement, and Transportation Networks |
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71 | (1) |
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71 | (1) |
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72 | (1) |
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73 | (4) |
| Chapter 3 Infrastructure and Client Devices Used with Wireless Networking |
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77 | (54) |
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The Wireless Access Point |
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80 | (15) |
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82 | (9) |
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Controller-Managed Access Points |
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91 | (2) |
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Cloud-Managed Access Points |
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93 | (1) |
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Wireless Branch Router/Remote Access Point |
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94 | (1) |
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95 | (1) |
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96 | (1) |
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Wireless Repeaters/Range Extenders |
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97 | (1) |
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Wireless LAN Controllers and Cloud-Managed Architectures |
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98 | (6) |
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Centralized Administration |
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99 | (1) |
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Virtual Local Area Networks |
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99 | (1) |
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Power over Ethernet Capability |
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99 | (1) |
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Improved Mobile Device Transition |
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100 | (1) |
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Wireless LAN Profiles and Virtual Wireless LANs |
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100 | (1) |
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Advanced Security Features |
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100 | (1) |
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100 | (1) |
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101 | (1) |
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Predictive Modeling Site Survey Tools |
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101 | (1) |
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Radio Frequency Spectrum Management |
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101 | (1) |
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101 | (1) |
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102 | (1) |
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Infrastructure Device Redundancy |
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102 | (1) |
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Wireless Intrusion Prevention System |
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102 | (1) |
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Direct and Distributed Access Point Connectivity |
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102 | (1) |
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Layer 2 and Layer 3 Access Point Connectivity |
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102 | (1) |
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Distributed and Centralized Data Forwarding |
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103 | (1) |
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104 | (4) |
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105 | (1) |
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Powered Devices and Classification Signatures |
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106 | (1) |
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107 | (1) |
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Radio Hardware Used with Wireless LAN Technology |
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108 | (1) |
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USB 1.0, USB 1.1, USB 2.0, and USB 3.0 |
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108 | (4) |
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109 | (1) |
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Installation and Configuration of USB Devices |
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110 | (2) |
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Peripheral Component Interconnect |
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112 | (3) |
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112 | (1) |
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Installation and Configuration of PCI Cards |
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113 | (2) |
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Mini-PCI, Mini-PCIe, and Half Mini-PCIe |
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115 | (3) |
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Features of Mini-PCI, Mini-PCIe, and Half Mini-PCIe Cards |
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116 | (1) |
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Installation and Configuration of Mini-PCI, Full Mini-PCIe, and Half Mini-PCIe Cards |
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117 | (1) |
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Wireless Workgroup Bridges |
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118 | (3) |
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Features of Wireless Workgroup Bridges |
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119 | (1) |
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Installation and Configuration of Wireless Workgroup Bridges |
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120 | (1) |
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121 | (1) |
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121 | (3) |
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Manufacturer-Specific Client Utilities |
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122 | (1) |
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Third-Party Client Utilities |
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123 | (1) |
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124 | (1) |
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125 | (1) |
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126 | (5) |
| Chapter 4 Radio Frequency Fundamentals for Wireless Networking |
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131 | (40) |
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Understanding Radio Frequency |
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133 | (10) |
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Wavelength in Wireless LANs |
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136 | (1) |
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Frequency in Wireless LANs |
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137 | (1) |
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Amplitude in Wireless LANs |
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138 | (1) |
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138 | (1) |
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Radio Frequency Used in Wireless LANs |
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139 | (4) |
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Wireless LAN Coverage and Capacity |
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143 | (7) |
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144 | (2) |
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146 | (3) |
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Radio Frequency Channel Reuse and Device Co-location |
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149 | (1) |
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Radio Frequency Range and Speed |
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150 | (2) |
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Line of Sight in Wireless Networking |
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150 | (2) |
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Wi-Fi and Non-Wi-Fi Interference |
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152 | (6) |
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Adjacent Channel and Co-channel Interference |
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152 | (2) |
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154 | (1) |
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Environment: Radio Frequency Behavior |
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155 | (3) |
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Basic Units of Radio Frequency Measurement |
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158 | (8) |
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Absolute Measurements of Radio Frequency Power |
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158 | (2) |
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Relative Measurements of Radio Frequency Power |
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160 | (2) |
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Radio Frequency Signal Measurements |
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162 | (4) |
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166 | (1) |
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167 | (1) |
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168 | (3) |
| Chapter 5 Antenna Technology for Wireless Networking |
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171 | (44) |
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Basic Radio Frequency Antenna Concepts |
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172 | (8) |
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173 | (1) |
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173 | (3) |
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176 | (1) |
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176 | (2) |
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178 | (1) |
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178 | (2) |
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Wireless LAN Antenna Types |
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180 | (15) |
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180 | (2) |
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Omnidirectional Antenna Specifications |
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182 | (2) |
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184 | (9) |
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Highly Directional Antennas |
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193 | (1) |
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Highly Directional Antenna Specifications |
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194 | (1) |
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Radio Frequency Cables and Connectors |
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195 | (4) |
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Radio Frequency Cable Types |
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196 | (1) |
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Radio Frequency Cable Length |
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196 | (1) |
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Radio Frequency Cable Cost |
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197 | (1) |
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197 | (1) |
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Radio Frequency Connectors |
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198 | (1) |
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Factors in Antenna Installation |
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199 | (1) |
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Addressing the Effects of Earth Curvature |
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199 | (1) |
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199 | (1) |
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Minimizing the Effects of Multipath Using Antenna Diversity |
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200 | (1) |
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Combating Effects of Wind and Lightning in Wireless LAN Installations |
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201 | (2) |
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202 | (1) |
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203 | (1) |
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203 | (1) |
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203 | (3) |
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Internal and External (to the Access Point) Antennas |
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204 | (1) |
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205 | (1) |
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206 | (1) |
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206 | (1) |
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Maintaining Clear Communications |
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206 | (2) |
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207 | (1) |
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207 | (1) |
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207 | (1) |
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208 | (1) |
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209 | (2) |
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211 | (4) |
| Chapter 6 Communication for Wireless Networking |
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215 | (46) |
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Wireless LAN Operation Methods |
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216 | (11) |
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The Independent Basic Service Set |
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217 | (5) |
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222 | (2) |
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224 | (1) |
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225 | (2) |
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Connecting to an IEEE 802.11 Wireless Network |
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227 | (10) |
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227 | (1) |
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Wireless Network Discovery |
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228 | (1) |
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228 | (2) |
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230 | (1) |
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IEEE 802.11 Authentication |
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231 | (4) |
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235 | (1) |
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IEEE 802.11 Deauthentication and Disassociation |
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236 | (1) |
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237 | (1) |
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238 | (2) |
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240 | (6) |
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246 | (1) |
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Wireless LAN Transitioning/Roaming |
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247 | (2) |
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IEEE 802.11 Power Save Operations |
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249 | (2) |
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249 | (1) |
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250 | (1) |
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Automatic Power Save Delivery |
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251 | (1) |
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IEEE 802.11 Protection Mechanisms |
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251 | (3) |
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IEEE 802.11g Extended Rate Physical Protection Mechanisms |
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252 | (1) |
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IEEE 802.11n High-Throughput Protection Mechanisms |
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253 | (1) |
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254 | (2) |
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256 | (1) |
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257 | (4) |
| Chapter 7 Modulation Technology for Wireless Networking |
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261 | (32) |
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262 | (7) |
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Detecting Network Traffic Collisions with CSMA/CD |
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263 | (1) |
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Avoiding Network Traffic Collisions with CSMA/CA |
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264 | (1) |
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Reserving Time for Data Transmission Using Distributed Coordination Function |
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265 | (1) |
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Effects of Half-Duplex on Wireless Throughput |
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266 | (1) |
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Narrowband vs. Spread-Spectrum Communication |
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267 | (2) |
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Spread-Spectrum Technology |
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269 | (4) |
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Frequency-Hopping Spread Spectrum |
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269 | (1) |
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802.11 Direct-Sequence Spread Spectrum |
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270 | (1) |
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802.11b High Rate/Direct-Sequence Spread Spectrum |
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271 | (1) |
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IEEE 802.11 DSSS and HR/DSSS Channels |
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271 | (2) |
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IEEE 802.11g Extended Rate Physical |
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273 | (2) |
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IEEE 802.11n High Throughput |
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275 | (1) |
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IEEE 802.11a, 802.11g, 802.11n, and 802.11ac OFDM |
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275 | (12) |
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IEEE 802.11a, 802.11g, 802.11n, and 802.11ac OFDM Channels |
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276 | (2) |
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IEEE 802.11n/ac Multiple Input/Multiple Output Technology |
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278 | (2) |
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IEEE 802.11n/ac MIMO Channels |
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280 | (2) |
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Co-location of IEEE 802.116 HR/DSSS and IEEE 802.11a/g/n OFDM Systems |
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282 | (2) |
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Adjacent-Channel and Co-channel Interference |
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284 | (1) |
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285 | (2) |
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287 | (1) |
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287 | (2) |
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289 | (4) |
| Chapter 8 Security Fundamentals for Wireless Networking |
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293 | (54) |
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Introducing IEEE 802.11 Wireless LAN Security |
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295 | (1) |
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Wireless LAN Threats and Intrusion |
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295 | (2) |
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IEEE 802.11 Standard Security |
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297 | (1) |
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IEEE 802.11 Open System Authentication |
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298 | (1) |
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IEEE 802.11 Shared-Key Authentication |
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298 | (1) |
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Early Wireless LAN Security Methods |
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298 | (3) |
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The Service Set Identifier |
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299 | (1) |
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299 | (1) |
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The Media Access Control Address |
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300 | (1) |
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301 | (1) |
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302 | (1) |
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IEEE 802.11 Authentication and Data Encryption |
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302 | (2) |
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About Wired Equivalent Privacy |
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303 | (1) |
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How Wired Equivalent Privacy Was Used |
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303 | (1) |
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IEEE 802.11 SOHO and Enterprise Security Technologies |
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304 | (3) |
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Wi-Fi Protected Setup PIN-Based or Push-Button Configuration Wireless Security |
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304 | (1) |
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305 | (1) |
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Push-Button Configuration Security |
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306 | (1) |
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Wi-Fi Protected Access and WPA2 Personal Security |
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307 | (1) |
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Passphrase Characteristics |
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307 | (1) |
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WPA and WPA2 Enterprise Security |
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308 | (1) |
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308 | (5) |
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309 | (1) |
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Extensible Authentication Protocol |
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310 | (1) |
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IEEE 802.1X and EAP Together: IEEE 802.1X/EAP |
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310 | (1) |
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Remote Authentication Dial-In User Service |
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310 | (2) |
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Authentication, Authorization, and Accounting |
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312 | (1) |
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IEEE 802.11 Encryption Methods |
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313 | (4) |
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314 | (1) |
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Temporal Key Integrity Protocol |
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315 | (1) |
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Counter Mode with Cipher Block Chaining Message Authentication Code Protocol |
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316 | (1) |
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Role-Based Access Control |
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317 | (1) |
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Virtual Private Networking |
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318 | (10) |
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Point-to-Point Tunneling Protocol |
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320 | (1) |
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Layer 2 Tunneling Protocol |
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320 | (1) |
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Components of a VPN Solution |
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320 | (8) |
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The Wireless Intrusion Prevention System |
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328 | (6) |
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WIPS Configuration and Maintenance |
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330 | (1) |
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Overlay and Integrated WIPS Technology |
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331 | (3) |
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334 | (1) |
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Wireless Network Management and Monitoring Systems |
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334 | (5) |
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WNMS: Software, Hardware, or Cloud? |
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335 | (2) |
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Wireless Network Monitoring |
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337 | (2) |
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Industry Regulatory Compliance |
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339 | (1) |
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339 | (1) |
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340 | (1) |
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340 | (1) |
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341 | (2) |
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343 | (4) |
| Chapter 9 Design for Wireless Networking |
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347 | (78) |
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349 | (7) |
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Size of the Physical Location |
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351 | (1) |
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Intended Use of the Wireless Network |
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351 | (1) |
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Number of Wireless Devices |
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352 | (1) |
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Wireless Client Device Capabilities |
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352 | (1) |
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353 | (1) |
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353 | (1) |
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Bring Your Own Device Acceptance |
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354 | (1) |
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Building Age and Construction Materials |
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355 | (1) |
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Network Infrastructure Devices |
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355 | (1) |
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Gathering Business Requirements |
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356 | (2) |
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General Office/Enterprise |
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357 | (1) |
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Interviewing Stakeholders |
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358 | (4) |
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Manufacturer Guidelines and Deployment Guides |
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362 | (1) |
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Gathering Site-Specific Documentation |
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362 | (4) |
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Floor Plans and Blueprints |
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362 | (1) |
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363 | (1) |
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Electrical Specifications |
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364 | (1) |
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Existing Network Characteristics |
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364 | (2) |
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Identifying Infrastructure Connectivity and Power Requirements |
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366 | (2) |
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Understanding Application Requirements |
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368 | (1) |
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Understanding Radio Frequency Coverage and Capacity Requirements |
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369 | (1) |
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Client Connectivity Requirements |
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369 | (1) |
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Antenna Use Considerations |
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370 | (4) |
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The Physical Radio Frequency Site Survey Process |
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374 | (1) |
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Radio Frequency Spectrum Analysis |
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375 | (10) |
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Spectrum Analysis for IEEE 802.11 Wireless Networks |
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375 | (3) |
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Wi-Fi and Non-Wi-Fi Interference Sources |
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378 | (6) |
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384 | (1) |
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385 | (2) |
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Performing a Manual Radio Frequency Wireless Site Survey |
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387 | (13) |
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Obtaining a Floor Plan or Blueprint |
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388 | (1) |
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Identifying Existing Wireless Networks |
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388 | (2) |
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Testing Access Point Placement |
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390 | (1) |
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391 | (1) |
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Considering the Advantages and Disadvantages of Manual Site Surveys |
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391 | (1) |
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Performing a Software-Assisted Manual Site Survey |
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392 | (6) |
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Using a Manual Site Survey Toolkit |
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398 | (2) |
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Performing a Predictive Modeling Site Survey |
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400 | (3) |
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Internet-Based Predictive Modeling Site Survey |
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402 | (1) |
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Performing a Post-Deployment Site Survey |
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403 | (1) |
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403 | (7) |
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410 | (1) |
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Infrastructure Hardware Selection and Placement |
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410 | (1) |
|
Testing Different Antennas |
|
|
411 | (2) |
|
Testing Multiple Antenna Types |
|
|
411 | (1) |
|
Choosing the Correct Antennas |
|
|
412 | (1) |
|
Wireless Channel Architectures |
|
|
413 | (1) |
|
Multiple-Channel Architecture |
|
|
413 | (1) |
|
Single-Channel Architecture |
|
|
414 | (1) |
|
Wireless Device Installation Limitations |
|
|
414 | (1) |
|
|
|
415 | (2) |
|
|
|
417 | (1) |
|
|
|
418 | (2) |
|
|
|
420 | (5) |
| Chapter 10 Mobile Device Management and BYOD Fundamentals |
|
425 | (36) |
|
Mobile Device Management Solutions |
|
|
427 | (3) |
|
The Software as a Service Solution |
|
|
428 | (1) |
|
|
|
428 | (2) |
|
Common Mobile Device Operating System Platforms |
|
|
430 | (1) |
|
The Mobile Application Store |
|
|
431 | (4) |
|
Pushing Content to Mobile Devices |
|
|
435 | (1) |
|
Mobile Device Management Administrative Permissions |
|
|
436 | (1) |
|
Understanding Mobile Device Management High Availability and Redundancy |
|
|
436 | (1) |
|
Mobile Device Management Device Groups |
|
|
437 | (1) |
|
|
|
438 | (2) |
|
|
|
438 | (1) |
|
|
|
439 | (1) |
|
Mobile Device Telecommunications Expense Management |
|
|
440 | (1) |
|
Captive and Self-Service Portals |
|
|
440 | (2) |
|
|
|
440 | (1) |
|
|
|
441 | (1) |
|
General Technology Network and Security Policy |
|
|
442 | (1) |
|
Security Policy Framework |
|
|
443 | (1) |
|
Information Technology and Security Policy Implementation and Adherence |
|
|
443 | (2) |
|
|
|
445 | (1) |
|
Balancing Security and Usability |
|
|
445 | (1) |
|
Backup, Restore, and Recovery Policies |
|
|
445 | (1) |
|
Operating System Modifications and Customization |
|
|
446 | (2) |
|
|
|
446 | (1) |
|
Original Equipment Manufacturer |
|
|
447 | (1) |
|
Vendor-Default Device Applications |
|
|
447 | (1) |
|
|
|
448 | (3) |
|
|
|
448 | (1) |
|
Directory Services Integration |
|
|
449 | (1) |
|
Issuing Digital Certificates |
|
|
450 | (1) |
|
End-User License Agreement |
|
|
450 | (1) |
|
Understanding Group Profiles |
|
|
451 | (2) |
|
Corporate-Owned Mobile Device Profiles |
|
|
452 | (1) |
|
Employee-Owned Mobile Device Profiles |
|
|
452 | (1) |
|
Outside Consultants' and Visitors' Mobile Device Profiles |
|
|
453 | (1) |
|
Policy and Profile Pilot Testing |
|
|
453 | (1) |
|
|
|
454 | (1) |
|
|
|
455 | (1) |
|
|
|
456 | (5) |
| Chapter 11 Troubleshooting for Wireless Networking |
|
461 | (44) |
|
Identifying Wireless LAN Problems |
|
|
462 | (3) |
|
Radio Frequency Transmitters and Receivers |
|
|
464 | (1) |
|
Wireless LAN Connectivity-Coverage and Capacity Problems |
|
|
465 | (15) |
|
|
|
465 | (8) |
|
Intermittent Wireless Connectivity Problems |
|
|
473 | (4) |
|
|
|
477 | (3) |
|
Application Performance Problems |
|
|
480 | (8) |
|
Wireless Device Software and Hardware Upgrades |
|
|
481 | (7) |
|
Optimizing Wireless Networks |
|
|
488 | (10) |
|
Wireless Infrastructure Hardware Selection and Placement |
|
|
488 | (1) |
|
Identifying, Locating, and Removing Sources of Wi-Fi and Non-Wi-Fi Interference |
|
|
489 | (1) |
|
Wireless Client Device Load Balancing and Infrastructure Device Redundancy |
|
|
490 | (1) |
|
Wireless Infrastructure Device Redundancy |
|
|
491 | (1) |
|
Analyzing Wireless Infrastructure Capacity and Utilization |
|
|
492 | (1) |
|
Radio Frequency Performance Problems: Multipath |
|
|
492 | (1) |
|
Radio Frequency Performance Problems: Hidden Node |
|
|
493 | (4) |
|
Quality of Service Considerations |
|
|
497 | (1) |
|
|
|
498 | (1) |
|
|
|
499 | (1) |
|
|
|
500 | (5) |
| Appendix Answers to Review Questions |
|
505 | (24) |
|
Chapter 1: Computer Networking Fundamentals |
|
|
506 | (2) |
|
Chapter 2: Wireless Local Area Networking, Standards, and Certifications |
|
|
508 | (1) |
|
Chapter 3: Infrastructure and Client Devices Used with Wireless Networking |
|
|
509 | (2) |
|
Chapter 4: Radio Frequency Fundamentals for Wireless Networking |
|
|
511 | (1) |
|
Chapter 5: Antenna Technology for Wireless Networking |
|
|
512 | (2) |
|
Chapter 6: Communication for Wireless Networking |
|
|
514 | (2) |
|
Chapter 7: Modulation Technology for Wireless Networking |
|
|
516 | (1) |
|
Chapter 8: Security Fundamentals for Wireless Networking |
|
|
517 | (2) |
|
Chapter 9: Design for Wireless Networking |
|
|
519 | (6) |
|
Chapter 10: Mobile Device Management and BYOD Fundamentals S |
|
|
S21 | |
|
Chapter 11: Troubleshooting for Wireless Networking |
|
|
525 | (4) |
| Index |
|
529 | |
