CWNA Guide to Wireless LANs

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  • Edition: 3rd
  • Format: Paperback
  • Copyright: 6/19/2012
  • Publisher: Course Technology
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CWNA GUIDE TO WIRELESS LANS, 3rd Edition provides you with the conceptual knowledge and hands-on skills needed to work with wireless technology in a network administration environment as well as pass the Certified Wireless Network Administrator (CWNA) exam. The text covers fundamental topics, such as planning, designing, installing, securing, and configuring wireless LANs. It also details common wireless LAN uses including maintenance, security, and business applications. The third edition is designed around the latest version of the CWNA exam, as well as the new IEEE 802.11 standard, making CWNA GUIDE TO WIRELESS LANS the practical guide that prepares you for real-world wireless networking.

Author Biography

Mark Ciampa is Assistant Professor of Computer Information Systems at Western Kentucky University in Bowling Green, KY. For 20 years, he served as Associate Professor and Director of Academic Computing at Volunteer State Community College in Gallatin, TN. Dr. Ciampa has worked in the IT industry as a computer consultant for the U.S. Postal Service, the Tennessee Municipal Technical Advisory Service, and the University of Tennessee. He is also the author of many Cengage/Course Technology textbooks, including Security+ Guide to Network Security Fundamentals, 4th edition; CWSP Guide to Wireless Security; Guide to Wireless Communication; Security Awareness: Applying Practical Security in Your World, 4th edition; and Networking BASICS, 2nd edition. He holds a Ph.D. in digital communication systems from Indiana State University.

Table of Contents

Introductionp. xiii
The World of Wirelessp. 1
Wireless Applicationsp. 3
Educationp. 3
Businessp. 5
Industryp. 5
Travelp. 9
Public Safetyp. 10
Health Carep. 11
Wireless Advantages and Disadvantagesp. 12
Advantagesp. 12
Disadvantagesp. 16
Types of Wireless Networksp. 18
Wireless Personal Area Network (WPAN)p. 18
Wireless Local Area Network (WLAN)p. 19
Wireless Metropolitan Area Network (WMAN)p. 19
Wireless Wide Area Network (WWAN)p. 19
Comparison of Wireless Networksp. 20
Wireless Standards Organizations and Regulatory Agenciesp. 20
International Telecommunication Union Radio Communication Sector (ITU-R)p. 21
Federal Communications Commission (FCC)p. 22
International Organization for Standardization (ISO)p. 22
Institute of Electrical and Electronics Engineers (IEEE)p. 23
Wi-Fi Alliancep. 24
Certified Wireless Network Administrator (CWNA)p. 25
Chapter Summaryp. 25
Key Termsp. 26
Review Questionsp. 28
Hands-On Projectsp. 31
Case Projectsp. 33
Wireless Local Area Networksp. 35
Understanding Standardsp. 37
The Need for Standardsp. 37
Sources of Standardsp. 38
Types of Wireless LANsp. 39
IEEE 802.11-2007p. 39
IEEE 802.11n-2009p. 44
WLAN Client Hardware and Softwarep. 45
Wireless Client Network Interface Cardp. 45
Client Utility Softwarep. 51
WLAN Infrastructure Devicesp. 51
Access Points (APs)p. 51
WLAN Bridgesp. 56
Gatewaysp. 59
Power over Ethernet (PoE) Devicesp. 61
Chapter Summaryp. 63
Key Termsp. 64
Review Questionsp. 67
Hands-On Projectsp. 70
Case Projectsp. 77
Radio Frequency Fundamentalsp. 79
Principles of Radio Frequencyp. 81
What Are Electromagnetic Waves?p. 82
Electromagnetic Wave Characteristicsp. 82
The Electromagnetic Spectrump. 88
Radio Frequency Modulationp. 91
Analog Modulationp. 91
Digital Modulationp. 93
RF Signal Strength Measurementsp. 95
Milliwatt (mW)p. 96
Decibel Milliwatt (dBm)p. 96
Receive Signal Strength Indicator (RSSI)p. 98
Percentagep. 99
Signal-to-Noise Ratiop. 100
Radio Frequency Behaviorp. 100
Propagation Behaviorsp. 100
Impact of Behaviorsp. 104
Chapter Summaryp. 105
Key Termsp. 107
Review Questionsp. 109
Hands-On Projectsp. 112
Case Projectsp. 116
Antennasp. 119
Antenna Conceptsp. 121
What Is an Antenna?p. 121
Antenna Measurementsp. 123
Types of Antennasp. 126
Omnidirectional Antennasp. 126
Semidirectional Antennasp. 129
Highly-Directional Antennasp. 130
Antenna Coverage Patternsp. 131
Azimuth and Elevationp. 131
Beamwidthp. 133
Fresnel Zonep. 135
Multiple-Input Multiple-Output (MEMO)p. 136
What Is MIMO?p. 137
MIMO Signal Processing Techniquesp. 138
Antenna Installationp. 140
Locationp. 141
Antenna Accessoriesp. 141
Measuring Antenna Performancep. 143
Chapter Summaryp. 145
Key Termsp. 146
Review Questionsp. 149
Hands-On Projectsp. 152
Case Projectsp. 156
Physical Layer Standardsp. 157
Wireless Modulation Techniquesp. 160
Narrowband Transmissionp. 160
Spread-Spectrum Transmissionsp. 161
Comparison of Modulation Technologiesp. 168
IEEE 802.11 Physical Layer Standardsp. 168
IEEE 802.11b Physical Layer Standardsp. 170
IEEE 802.11a Physical Layer Standardsp. 173
IEEE 802.11g Physical Layer Standardsp. 181
IEEE 802.11n Physical Layer Standardsp. 182
Chapter Summaryp. 184
Key Termsp. 186
Review Questionsp. 188
Hands-On Projectsp. 191
Case Projectsp. 194
Media Access Control Layer Standardsp. 197
WLAN Service Setsp. 199
Basic Service Setp. 199
Extended Service Setp. 201
Independent Basic Service Setp. 203
802.11 Media Access Control Layer Frame Formats and Typesp. 204
MAC Frame Formatsp. 204
MAC Frame Typesp. 208
MAC Operationsp. 211
Discovering the WLANp. 211
Joining the WLANp. 213
Transmitting on the WLANp. 216
Chapter Summaryp. 225
Key Termsp. 227
Review Questionsp. 230
Hands-On Projectsp. 234
Case Projectsp. 238
WLAN Management and Architecturesp. 241
Autonomous Access Point Architecturesp. 243
Network Connectivityp. 243
Feature Setsp. 244
Advantages and Limitationsp. 248
Controller-Based Architecturesp. 248
Access Pointsp. 249
Wireless LAN Controllers (WLCs)p. 252
Other Architecturesp. 254
WLAN Arraysp. 254
Cooperative Controlp. 254
Cloud Managementp. 255
Wireless Mesh Networksp. 255
Multiple-Channel Architecture vs. Single-Channel Architecture Modelsp. 255
Multiple-Channel Architecture (MCA)p. 255
Single-Channel Architecture (SCA)p. 256
Wireless Network Management Systems (WNMS)p. 258
Power Managementp. 258
Basic Power Managementp. 259
Enhanced Power Managementp. 260
Chapter Summaryp. 262
Key Termsp. 264
Review Questionsp. 265
Hands-On Projectsp. 269
Case Projectsp. 274
Conducting a Site Surveyp. 277
What Is a Site Survey?p. 279
Purpose of a Site Surveyp. 280
When to Perform a Site Surveyp. 281
Types of Site Surveysp. 282
Site Survey Toolsp. 284
Wireless Device Toolsp. 285
Specialized Toolsp. 287
Voice over WiFi (VoWiFi) Tools and Surveysp. 293
Procedures for Performing a Site Surveyp. 294
Gathering Datap. 294
Performing the Surveyp. 299
Creating the Site Survey Reportp. 301
Chapter Summaryp. 303
Key Termsp. 305
Review Questionsp. 305
Hands-On Projectsp. 309
Case Projectsp. 314
Wireless LAN Security Vulnerabilitiesp. 317
Principles of Information Securityp. 319
What Is Information Security?p. 320
Challenges of Information Securityp. 321
Wireless Attacksp. 324
Enterprise Attacksp. 324
Mobile User Attacksp. 329
Home Attacksp. 330
Legacy IEEE 802.11 Security Protectionsp. 331
Access Controlp. 331
Wired Equivalent Privacy (WEP)p. 332
Authenticationp. 335
Vulnerabilities of IEEE 802.11 Securityp. 335
Authenticationp. 336
Address Filteringp. 337
WEPp. 337
Chapter Summaryp. 339
Key Termsp. 341
Review Questionsp. 342
Hands-On Projectsp. 345
Case Projectsp. 351
Implementing Wireless LAN Securityp. 353
Transitional Solutionsp. 355
WEP2p. 356
Dynamic WEPp. 357
Wi-Fi Protected Access (WPA)p. 357
IEEE 802.11i/WPA2p. 361
Encryptionp. 362
Authenticationp. 364
Wireless Intrusion Detection and Prevention Systemsp. 367
Wireless Security Systemsp. 367
Featuresp. 371
Other Wireless Security Toolsp. 373
Virtual Private Network (VPN)p. 373
Secure Device Management Protocolsp. 374
Wi-Fi Protected Setupp. 375
Role-Based Access Control (RBAC)p. 376
Rogue AP Discovery Toolsp. 377
Chapter Summaryp. 378
Key Termsp. 379
Review Questionsp. 381
Hands-On Projectsp. 384
Case Projectsp. 389
Managing a Wireless LANp. 391
Procedural Security Defensesp. 393
Managing Riskp. 394
Defenses Against Attacksp. 398
Monitoring the Wireless Networkp. 407
WLAN Monitoring Toolsp. 407
Standard Network Monitoring Toolsp. 410
Maintaining the Wireless Networkp. 412
Upgrade Firmwarep. 412
RF Site Tuningp. 414
Chapter Summaryp. 415
Key Termsp. 417
Review Questionsp. 418
Hands-On Projectsp. 421
Case Projectsp. 423
Wireless Network Troubleshooting and Optimizationp. 425
Troubleshooting a Wireless Networkp. 427
RF Interferencep. 428
WLAN Configurationp. 433
Wireless Device Troubleshootingp. 437
WLAN Optimizationp. 445
Channel Optimizationp. 445
Access Point Optimizationp. 447
Wireless Device Optimizationp. 448
Chapter Summaryp. 449
Key Termsp. 450
Review Questionsp. 451
Hands-On Projectsp. 454
Case Projectsp. 458
Other Wireless Networksp. 461
Wireless Personal Area Networks (IEEE 802.15)p. 464
Bluetooth (802.15.1-2005)p. 464
Ultra-Wideband (802.15.3c-2009)p. 468
Low Rate Technologies (802.15.4)p. 469
Body Area Networks (802.15.6)p. 472
Visible Light Communications (802.15.7)p. 473
Wireless Metropolitan Area Networksp. 476
Free Space Optics (FSO)p. 476
Broadband Radio Service (BRS)p. 477
Wireless Wide Area Networksp. 478
WiMAX (802.16)p. 478
Long Term Evolution (LTE)p. 479
IEEE 802.11acp. 480
Chapter Summaryp. 483
Key Termsp. 484
Review Questionsp. 485
Hands-On Projectsp. 489
Case Projectsp. 492
CWNA Certification Exam Objectivesp. 495
URLs for Hands-On Projectsp. 505
Wireless Web Sitesp. 509
Wireless Standards Organizations and Regulatory Agenciesp. 509
Technical Supportp. 510
Wireless Securityp. 510
Security Organizationsp. 510
Wireless Toolsp. 511
Otherp. 511
Glossaryp. 513
Indexp. 525
Table of Contents provided by Ingram. All Rights Reserved.

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