Cwna Certified Wireless Network Administrator Official Study Guide (Exam Pw0-100)

Cwna Certified Wireless Network Administrator Official Study Guide (Exam Pw0-100)

by Planet3 Wireless

Paperback(Older Edition)

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Product Details

ISBN-13: 9780072229028
Publisher: McGraw-Hill Companies, The
Publication date: 02/13/2003
Edition description: Older Edition
Pages: 575
Product dimensions: 7.32(w) x 9.16(h) x 1.18(d)

Table of Contents

Chapter 1Introduction to Wireless LANs1
The Wireless LAN Market2
History of Wireless LANs2
Today's Wireless LAN Standards3
Applications of Wireless LANs4
Access Role5
Network Extension6
Building-to-Building Connectivity7
Last Mile Data Delivery8
Mobility9
Small Office-Home Office11
Mobile Offices12
Summary13
Chapter 2Radio Frequency (RF) Fundamentals25
Radio Frequency26
RF Behaviors27
Voltage Standing Wave Ratio (VSWR)34
Principles of Antennas36
Line of Sight (LOS)37
Fresnel Zone38
Antenna Gain39
Intentional Radiator40
Equivalent Isotropically Radiated Power (EIRP)41
Radio Frequency Mathematics42
Units of Measure42
Chapter 3Spread Spectrum Technology61
Introducing Spread Spectrum62
Narrow Band Transmission62
Spread Spectrum Technology63
Uses of Spread Spectrum64
FCC Specifications66
Frequency Hopping Spread Spectrum (FHSS)67
How FHSS Works67
Effects of Narrow Band Interference68
Frequency Hopping Systems69
FCC Rules affecting FHSS73
Direct Sequence Spread Spectrum (DSSS)74
How DSSS Works75
Direct Sequence Systems75
Effects of Narrow Band Interference78
FCC Rules affecting DSSS78
Comparing FHSS and DSSS79
Narrowband Interference79
Cost79
Co-location80
Equipment compatibility and availability81
Data rate & throughput82
Security83
Standards Support83
Chapter 4Wireless LAN Infrastructure97
Access Points98
Access Point Modes100
Common Options103
Configuration and Management106
Wireless Bridges109
Wireless Bridge Modes110
Common Options112
Configuration and Management115
Wireless Workgroup Bridges115
Common Options116
Configuration and Management117
Wireless LAN Client Devices117
PCMCIA & Compact Flash Cards118
Wireless Ethernet & Serial Converters119
USB Adapters120
PCI & ISA Adapters121
Configuration and Management121
Wireless Residential Gateways124
Common Options125
Configuration and Management126
Enterprise Wireless Gateways127
Configuration and Management129
Chapter 5Antennas and Accessories141
RF Antennas143
Omni-directional (Dipole) Antennas143
Semi-directional Antennas147
Highly-directional Antennas149
RF Antenna Concepts151
Antenna Installation158
Power over Ethernet (PoE) Devices163
Common PoE Options164
PoE Compatibility168
Wireless LAN Accessories170
RF Amplifiers171
RF Attenuators176
Lightning Arrestors179
RF Splitters183
RF Connectors188
RF Cables190
RF "Pigtail" Adapter Cable191
Frequency Converter193
Bandwidth Control Units194
Test Kits196
Chapter 6Wireless LAN Organizations and Standards209
Federal Communications Commission210
ISM and UNII Bands211
Industrial Scientific Medical (ISM) Bands212
Unlicensed National Information Infrastructure Bands213
Power Output Rules215
Institute of Electrical and Electronics Engineers218
IEEE 802.11218
IEEE 802.11b219
IEEE 802.11a220
IEEE 802.11g222
IEEE Standards Summary222
Major Organizations223
Wi-Fi Alliance224
European Telecommunications Standards Institute225
Wireless LAN Association226
Competing Technologies226
HomeRF226
Bluetooth228
Infrared Data Association (IrDA)229
Wireless LAN Interoperability Forum (WLIF)230
Chapter 7802.11 Network Architecture242
Locating a Wireless LAN243
Service Set Identifier243
Beacons244
Passive Scanning245
Active Scanning247
Authentication & Association248
Authentication249
Association249
States of Authentication & Association250
Authentication Methods252
Service Sets262
Basic Service Set (BSS)262
Extended Service Set (ESS)263
Independent Basic Service Set (IBSS)264
Roaming265
Power Management Features276
Continuous Aware Mode276
Power Save Polling276
Chapter 8MAC and Physical Layers293
How Wireless LANs Communicate294
Wireless LAN Frames vs. Ethernet Frames294
Collision Handling296
Fragmentation297
Fragment Bursting299
Fragmentation Dynamic Rate Shifting (DRS)300
Distributed Coordination Function301
Point Coordination Function302
Interframe Spacing302
Three Types of Spacing303
The Communications Process307
Request to Send/Clear to Send (RTS/CTS)310
Configuring RTS/CTS311
Modulation312
Chapter 9Troubleshooting Wireless LAN Installations327
Multipath328
Effects of Multipath329
Troubleshooting Multipath334
Solutions for Multipath334
Hidden Node337
Troubleshooting Hidden Node338
Solutions for Hidden Node339
Near/Far341
Troubleshooting Near/Far342
Solutions for Near/Far343
System Throughput344
Co-location Throughput (Theory vs. Reality)345
Theory: What Should Happen347
Reality: What Does Happen347
Solutions for Co-location Throughput Problems349
Summary351
Types of Interference352
Narrowband352
All-band Interference354
Weather356
Adjacent Channel and Co-Channel Interference358
Range Considerations363
Transmission Power363
Antenna Type363
Environment363
Chapter 10Wireless LAN Security375
Wired Equivalent Privacy377
Why WEP Was Chosen381
WEP Keys382
Advanced Encryption Standard388
Filtering389
Attacks on Wireless LANs395
Passive Attacks395
Active Attacks397
Jamming398
Man-in-the-middle Attacks400
Emerging Security Solutions401
WEP Key Management402
Wireless VPNs402
Temporal Key Integrity Protocol (TKIP)404
AES Based Solutions405
Wireless Gateways405
802.1x and Extensible Authentication Protocol406
Corporate Security Policy409
Keep Sensitive Information Private410
Physical Security410
Wireless LAN Equipment Inventory & Security Audits411
Using Advanced Security Solutions412
Public Wireless Networks412
Limited and Tracked Access413
Security Recommendations414
WEP414
Cell Sizing414
User Authentication415
Security Needs416
Use Additional Security Tools416
Monitoring for Rogue Hardware417
Switches, not hubs417
Wireless DMZ417
Firmware & Software Updates418
Chapter 11Site Survey Fundamentals431
What is a Site Survey?433
Preparing for a Site Survey435
Facility Analysis436
Existing Networks437
Area Usage & Towers440
Purpose & Business Requirements442
Bandwidth & Roaming Requirements443
Available Resources446
Security Requirements447
Preparation Exercises448
Preparation Checklist449
Site Survey Equipment450
Access Point450
PC Card and Utilities451
Laptops & PDAs454
Paper455
Outdoor Surveys455
Spectrum Analyzer456
Network Analyzer457
Site Survey Kit Checklist458
Conducting a Site Survey461
Indoor Surveys461
Outdoor Surveys462
Before You Begin463
RF Information Gathering464
Site Survey Reporting476
Report Format477
Appendix ARF in Perspective495
RF in Perspective496
Radio acts like light496
Light bulb analogy496
Transmit Range Tests497
Receive range tests498
Obstacles499
Fresnel Zone499
Increasing power at the tower500
Reflection500
RF Summary500
Glossary503
Index525

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