CWNA Certified Wireless Network Administrator Certification Exam Preparation Course in a Book for Passing the CWNA Certified Wireless Network Administrator ... on Your First Try Certification Study Guide

Notice of Rights......Page 7
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......Page 3
1 Foreword......Page 2
2 Table of Contents......Page 4
3 Certified Wireless Network Administrator......Page 8
5 Exam Prerequisites......Page 9
6.1 The Evolution of Wireless LANs......Page 10
7.1 How Radio Frequencies Work......Page 13
7.2 VSWR – Voltage Standing Wave Ratio......Page 15
7.3 Understanding Antennas......Page 16
7.4 Measuring Radio Frequencies......Page 17
8.1 Communication Types......Page 19
8.2 Wireless LANs......Page 20
8.3 Frequency Hopping Spread Spectrum (FHSS)......Page 22
8.4 Direct Sequence Spread Spectrum (DSSS)......Page 24
9.1 Federal Communications Commission (FCC)......Page 28
9.2 Institute of Electrical and Electronics Engineers (IEEE)......Page 32
9.3 Major Organizations......Page 35
9.4 Competing Technologies......Page 37
10.1 Access Points......Page 40
10.2 Wireless Bridges......Page 43
10.3 Wireless Workgroup Bridges......Page 44
10.4 Wireless LAN Client Devices......Page 45
10.5 Wireless Residential Gateways......Page 48
10.6 Enterprise Wireless Gateways......Page 49
11.1 Radio Frequency Antennas......Page 52
11.2 Concepts of RF Antennas......Page 54
11.3 Antenna Installation......Page 57
11.4 Power over Ethernet (PoE) Devices......Page 60
11.5 Accessories for Wireless LAN......Page 63
12.1 Identifying Wireless LANs......Page 71
12.2 Authentication and Association......Page 75
12.3 Authentication Methods......Page 76
12.4 Emerging Authentication Protocols......Page 78
12.5 Service Sets......Page 81
12.6 Roaming......Page 83
12.7 Power Management Features......Page 86
13.1 Communicating with Wireless LANs......Page 88
13.2 Interframe Spacing......Page 93
13.3 RTS/CTS......Page 96
13.4 Modulation......Page 97
14.1 Multipath......Page 99
14.2 Hidden Node......Page 103
14.3 Near/Far......Page 104
14.4 System Throughput......Page 105
14.5 Co-location Throughput......Page 106
14.6 Types of Interference......Page 107
14.7 Range Considerations......Page 110
15.1 Wired Equivalent Privacy......Page 112
15.2 Wireless LAN Attacks......Page 115
15.3 Securing Wireless LANs......Page 116
16.1 Understanding Site Surveys......Page 118
16.2 Site Survey Preparation......Page 119
16.4 Conducting Site Surveys......Page 121
17.1 Questions......Page 124
18.1 Answers......Page 135
19 References......Page 141
INDEX......Page 142