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CCNA Wireless 640-722 Official Cert Guide

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CCNA Wireless 640-722 Official Cert Guide


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  • In-depth, expert explanations of all protocols, commands, and technologies covered on the new CCNA wireless exam
  • Covers WLAN fundamentals, basic Cisco wireless LAN and client installation; basic WLAN security implementation, basic WCS operation, and basic WLAN maintenance and troubleshooting
  • Book and CD packed with features to help the reader master today's challenging test -- including scenario-based configuration questions that mimic the actual exam


  • Copyright 2014
  • Dimensions: 7-3/8" x 9-1/8"
  • Pages: 544
  • Edition: 1st
  • Book
  • ISBN-10: 1-58720-562-9
  • ISBN-13: 978-1-58720-562-0

CCNA Wireless 640-722 Official Cert Guide

CCNA Wireless 640-722 Official Cert Guide from Cisco Press enables you to succeed on the Implementing Cisco Unified Wireless Networking Essentials (IUWNE) exam the first time and is the only self-study resource approved by Cisco. Best-selling author and expert instructor David Hucaby shares preparation hints and test-taking tips, helping you identify areas of weakness and improve both your conceptual knowledge and hands-on skills.

This complete study package includes

n  A test-preparation routine proven to help you pass the exams

n  Do I Know This Already? quizzes, which enable you to decide how much time you need to spend on each section

n  Chapter-ending exercises, which help you drill on key concepts you must know thoroughly

n  The powerful Pearson IT Certification Practice Test software, complete with hundreds of well reviewed, exam-realistic questions, customization options, and detailed performance reports

n  A final preparation chapter, which guides you through tools and resources to help you craft your review and test-taking strategies

n  Study plan suggestions and templates to help you organize and optimize your study time

Well regarded for its level of detail, study plans, assessment features, challenging review questions, and hands-on exercises, this official study guide helps you master the concepts  and techniques you need to ensure exam success.

David Hucaby, CCIE® No. 4594, is a network architect for the University of Kentucky, where he works with academic and healthcare networks based on the Cisco Unified Wireless Network products. David holds bachelor’s and master’s degrees in electrical engineering from the University of Kentucky. His Cisco Press titles include CCNP SWITCH Exam Certification Guide; Cisco LAN Switching Video Mentor; CCNP Security FIREWALL Exam Certification Guide; Cisco ASA, PIX, and FWSM Firewall Handbook, Second Edition; and Cisco Firewall Video Mentor.

The official study guide helps you master all the topics on the CCNA Wireless 640-722 exam, including the following:

n  RF signals, modulation, and standards

n  Antennas

n  WLAN topologies, configuration, and troubleshooting

n  Wireless APs

n  CUWN architecture

n  Controller configuration, discovery, and maintenance

n  Roaming

n  Client configuration

n  RRM

n  Wireless security

n  Guest networks

n  WCS network management

n  Interference

Companion CD

The CD contains 170 unique practice exam questions for the CCNA Wireless 640-722 exam in two highly realistic, interactive practice exams. Includes Exclusive Offer for 70% Off Premium Edition eBook and Practice Test

170 Practice Exam Questions in Two Highly Realistic Sample Exams

Premium Edition

The exciting new CCNA Wireless 640-722 Official Cert Guide Premium Edition eBook and Practice Test is a digital-only certification preparation product combining an eBook with enhanced Pearson IT Certification Practice Test. The Premium Edition eBook and Practice Test contains the following items:

  • The CCNA Wireless 640-722 Premium Edition Practice Test, including four complete practice exams and enhanced practice test features
  • PDF and EPUB formats of the CCNA Wireless 640-722 Official Cert Guide Premium Edition, from Cisco Press, which are accessible via your PC, tablet, and Smartphone

About the Premium Edition Practice Test

This Premium Edition contains an enhanced version of the Pearson IT Certification Practice Test (PCPT) software with four complete practice exams. This integrated learning package:

  • Allows you to focus on individual topic areas or take complete, timed exams
  • Includes direct links from each question to detailed tutorials to help you understand the concepts behind the questions
  • Provides unique sets of exam-realistic practice questions
  • Tracks your performance and provides feedback on a module-by-module basis, laying out a complete assessment of your knowledge to help you focus your study where it is needed most

Pearson IT Certification Practice Test minimum system requirements:

Windows XP (SP3), Windows Vista (SP2), or Windows 7;

Microsoft .NET Framework 4.0 Client;

Microsoft SQL Server Compact 4.0;

Pentium class 1GHz processor (or equivalent);

512 MB RAM;

650 MB disc space plus 50 MB for each downloaded practice exam

This is Cisco's official, comprehensive resource for preparing for the newest CCNA Wireless certification exam, 640-722 (IUWNE). Fully revised to reflect every new exam objective, it offers in-depth, expert explanations of all protocols, commands, and technologies covered on the new exam. Logically organized and concisely presented, it addresses all these topics, and more:

  • Describing WLAN fundamentals, including technologies, standards, topologies, security, and deployment considerations
  • Installing basic Cisco wireless LANs, including architectural components, configuration, modes, discovery/association, roaming, and verification
  • Installing wireless clients, including client WLAN configuration, common wireless supplicants (Macintosh, Intel Wireless Pro, Windows, iOS, and Android), basic AnyConnect configuration parameters, and CCX capabilities
  • Implementing basic WLAN Security: security frameworks/components, authentication, encryption, and guest networking
  • Operating basic WCS, including key functions, licensing, the WCS interface, controller and AP configuration, preconfigured maps, monitoring, and reporting
  • Conducting basic WLAN maintenance and troubleshooting with Cisco’s troubleshooting tools and access methods

The book provides extensive teaching features designed to help you understand and remember more, and handle today's more challenging examination methods:

  • Scenario-based questions that mimic the actual exam
  • Pre-chapter quizzes to assess your knowledge upfront and focus study more efficiently
  • Foundation topics sections that explain concepts and configurations, and link theory to actual configuration commands
  • Key topics sections call your attention to every figure, table, and list you need to know
  • Exam Preparation sections with additional chapter review features
  • Final preparation chapter gives you a complete final study plan
  • Customizable practice test engine on CD lets you take complete customizable practice exams in both practice and test mode
  • And much more…

Sample Content

Online Sample Chapter

CCNA Wireless 640-722 Cert Guide: Planning Coverage with Wireless APs

Sample Pages

Download the sample pages (includes Chapter 7 and Index)

Table of Contents

Introduction xix

Chapter 1 RF Signals and Modulation 3

“Do I Know This Already?” Quiz 3

Foundation Topics 7

Comparing Wired and Wireless Networks 7

Understanding Basic Wireless Theory 8

    Understanding Frequency 10

    Understanding Phase 14

    Measuring Wavelength 14

    Understanding RF Power and dB 15

        Important dB Facts to Remember 17

        Comparing Power Against a Reference: dBm 19

        Measuring Power Changes Along the Signal Path 20

        Understanding Power Levels at the Receiver 23

Carrying Data Over an RF Signal 24

    FHSS 26

    DSSS 27

        1-Mbps Data Rate 28

        2-Mbps Data Rate 29

        5.5-Mbps Data Rate 30

        11-Mbps Data Rate 30

    OFDM 31

    Modulation Summary 32

Exam Preparation Tasks 34

Review All Key Topics 34

Key Terms 34

Chapter 2 RF Standards 37

“Do I Know This Already?” Quiz 37

Foundation Topics 41

Regulatory Bodies 41

    ITU-R 41

    FCC 42

    ETSI 44

    Other Regulatory Bodies 45

IEEE Standards Body 45

802.11 Channel Use 47

    Channels in the 2.4-GHz ISM Band 47

    Channels in the 5-GHz U-NII Bands 49

IEEE 802.11 Standards 51

    802.11-1997 52

    802.11b 52

    802.11g 52

    802.11a 54

    802.11n 55

        Channel Aggregation 57

        Spatial Multiplexing 58

        MAC Layer Efficiency 59

        Transmit Beam Forming (T×BF) 60

        Maximal-Ratio Combining 61

        802.11n Modulation and Coding Schemes 61

    Beyond 802.11n 62

Wi-Fi Alliance 63

Exam Preparation Tasks 64

Review All Key Topics 64

Define Key Terms 64

Chapter 3 RF Signals in the Real World 67

“Do I Know This Already?” Quiz 67

Foundation Topics 70

Interference 70

    Co-Channel Interference 70

    Neighboring Channel Interference 71

    Non-802.11 Interference 72

Free Space Path Loss 72

    Mitigating the Effects of Free Space Path Loss 74

Effects of Physical Objects 76

    Reflection 76

    Absorption 78

    Scattering 78

    Refraction 79

    Diffraction 80

    Fresnel Zones 80

Exam Preparation Tasks 83

Review All Key Topics 83

Define Key Terms 83

Chapter 4 Understanding Antennas 85

“Do I Know This Already?” Quiz 85

Foundation Topics 88

Antenna Characteristics 88

    Radiation Patterns 88

    Gain 91

    Beamwidth 92

    Polarization 92

Antenna Types 93

    Omnidirectional Antennas 94

    Directional Antennas 97

    Antenna Summary 101

Adding Antenna Accessories 101

Exam Preparation Tasks 103

Review All Key Topics 103

Define Key Terms 103

Chapter 5 Wireless LAN Topologies 105

“Do I Know This Already?” Quiz 105

Foundation Topics 108

Types of Wireless Networks 108

Wireless LAN Topologies 109

    Basic Service Set 110

    Distribution System 112

    Extended Service Set 114

    Independent Basic Service Set 115

Other Wireless Topologies 116

    Repeater 116

    Workgroup Bridge 117

    Outdoor Bridge 118

    Mesh Network 119

Exam Preparation Tasks 120

Review All Key Topics 120

Define Key Terms 120

Chapter 6 Understanding 802.11 Frame Types 123

“Do I Know This Already?” Quiz 123

802.11 Frame Format 126

802.11 Frame Addressing 128

Accessing the Wireless Medium 130

    Carrier Sense 131

    Collision Avoidance 132

802.11 Frame Types 134

    Management Frames 134

    Control Frames 135

    Data Frames 136

Client Housekeeping 136

    A Client Scans for APs 137

    A Client Joins a BSS 138

    A Client Leaves a BSS 139

    A Client Moves Between BSSs 140

    A Client Saves Power 142

Exam Preparation Tasks 145

Review All Key Topics 145

Define Key Terms 145

Chapter 7 Planning Coverage with Wireless APs 147

“Do I Know This Already?” Quiz 147

AP Cell Size 150

    Tuning Cell Size with Transmit Power 150

    Tuning Cell Size with Data Rates 152

Adding APs to an ESS 153

    The Roaming Process 155

    WLAN Channel Layout 157

Exam Preparation Tasks 161

Review All Key Topics 161

Define Key Terms 161

Chapter 8 Using Autonomous APs 163

“Do I Know This Already?” Quiz 163

Foundation Topics 166

Autonomous Architecture 166

Configuring an Autonomous AP 167

    Connecting the AP 167

    Configuring the AP 170

Converting an Autonomous AP 174

    Using the Autonomous to Lightweight Mode Upgrade Tool 174

    Converting an Autonomous AP Manually 176

Exam Preparation Tasks 178

Review All Key Topics 178

Define Key Terms 178

Chapter 9 Understanding the CUWN Architecture 181

“Do I Know This Already?” Quiz 181

Foundation Topics 184

A Distributed Architecture 184

A Centralized Architecture 186

    Split-MAC Architecture 188

    Traffic Patterns in a CUWN 190

CUWN Building Blocks 192

    Cisco Wireless LAN Controllers 192

    Cisco Lightweight APs 194

    CUWN Management 197

Exam Preparation Tasks 198

Review All Key Topics 198

Chapter 10 Initial Controller Configuration 201

“Do I Know This Already?” Quiz 201

Foundation Topics 204

Connecting the Controller 204

    Using Controller Ports 204

    Using Controller Interfaces 206

Running the Initial Setup Wizard 208

    Initial Setup with the Web Interface 208

    Initial Setup with the CLI 216

Exam Preparation Tasks 218

Review All Key Topics 218

Define Key Terms 218

Chapter 11 Understanding Controller Discovery 221

“Do I Know This Already?” Quiz 221

Foundation Topics 224

Discovering a Controller 224

    AP States 224

    Discovering a WLC 226

    Selecting a WLC 227

Designing High Availability 228

    Detecting a Controller Failure 230

    Building Redundancy 231

        N+1 Redundancy 231

        N+N Redundancy 232

        N+N+1 Redundancy 232

        AP SSO Redundancy 233

Exam Preparation Tasks 235

Review All Key Topics 235

Define Key Terms 236

Chapter 12 Understanding Roaming 239

“Do I Know This Already?” Quiz 239

Foundation Topics 242

Roaming with Autonomous APs 242

Intracontroller Roaming 244

Intercontroller Roaming 246

    Layer 2 Roaming 247

    Layer 3 Roaming 248

    Using Mobility Groups 252

Exam Preparation Tasks 256

Review All Key Topics 256

Define Key Terms 256

Chapter 13 Understanding RRM 259

“Do I Know This Already?” Quiz 259

Foundation Topics 262

Configuring 802.11 Support 262

    Configuring Data Rates 263

    Configuring 802.11n Support 264

Understanding RRM 265

    RF Groups 267

    TPC 269

    DCA 272

    Coverage Hole Detection 274

    Manual RF Configuration 276

    Verifying RRM Results 278

Exam Preparation Tasks 279

Review All Key Topics 279

Define Key Terms 279

Chapter 14 Wireless Security Fundamentals 281

“Do I Know This Already?” Quiz 282

Foundation Topics 285

Anatomy of a Secure Connection 285

    Authentication 286

    Message Privacy 287

    Message Integrity 288

    Intrusion Protection 289

Wireless Client Authentication Methods 290

    Open Authentication 290

    WEP 291

    802.1x/EAP 292

        LEAP 294

        EAP-FAST 294

        PEAP 294

        EAP-TLS 295

Wireless Privacy and Integrity Methods 295

    TKIP 295

    CCMP 296

WPA and WPA2 297

Securing Management Frames with MFP 298

Configuring Wireless Security 298

    Configuring WPA or WPA2 Personal 299

    Configuring WPA2 Enterprise Mode 300

    Configuring WPA2 Enterprise with Local EAP 302

Exam Preparation Tasks 305

Review All Key Topics 305

Define Key Terms 305

Chapter 15 Configuring a WLAN 307

“Do I Know This Already?” Quiz 307

Foundation Topics 309

WLAN Overview 309

Configuring a WLAN 310

    Configuring a RADIUS Server 310

    Creating a Dynamic Interface 312

    Creating a New WLAN 313

    Configuring WLAN Security 315

    Configuring WLAN QoS 317

    Configuring Advanced WLAN Settings 318

    Finalizing WLAN Configuration 319

Exam Preparation Tasks 320

Review All Key Topics 320

Chapter 16 Implementing a Wireless Guest Network 323

“Do I Know This Already?” Quiz 323

Foundation Topics 325

Guest Network Overview 325

Configuring a Guest Network 326

Scaling the Guest Network 329

Exam Preparation Tasks 332

Review All Key Topics 332

Define Key Terms 332

Chapter 17 Understanding Wireless Clients 335

“Do I Know This Already?” Quiz 335

Foundation Topics 338

Configuring Common Wireless Clients 338

    Windows 7 and 8 338

    Intel PROSet 341

    Android 345

    Apple OS X 346

    Cisco AnyConnect 348

Cisco Compatible Extensions 352

Exam Preparation Tasks 356

Review All Key Topics 356

Define Key Terms 356

Chapter 18 Managing Wireless Networks with WCS 359

“Do I Know This Already?” Quiz 359

Foundation Topics 362

WCS Overview 362

    Alarm Summary Dashboard 364

    Main Navigation Area 366

    WCS Home Area 366

Using WCS to Configure Devices 368

Using WCS Maps 370

    Displaying Maps 370

    Manipulating APs on Maps 373

    Viewing Information on Maps 375

Generating Reports 377

Exam Preparation Tasks 381

Review All Key Topics 381

Chapter 19 Dealing with Wireless Interference 383

“Do I Know This Already?” Quiz 383

Understanding Types of Interference 386

Bluetooth 386

    ZigBee 387

    Cordless Phones 388

    Microwave Ovens 388

    WiMAX 388

    Other Devices 389

Using Cisco CleanAir to Manage Interference 390

    Enabling CleanAir 392

    Air-Quality Index 394

    Using Event-Driven RRM 396

Exam Preparation Tasks 397

Review All Key Topics 397

Define Key Terms 398

Chapter 20 Troubleshooting WLAN Connectivity 401

“Do I Know This Already?” Quiz 401

Foundation Topics 405

Troubleshooting Client Connectivity 405

    Troubleshooting Clients from the Controller 406

    Performing a Link Test 411

    Debugging a Client 412

    Troubleshooting Clients from WCS/NCS 415

Troubleshooting AP Connectivity 420

    Verifying AP-to-WLC Connectivity 420

    Verifying AP-to-Network Connectivity 422

Exam Preparation Tasks 425

Review All Key Topics 425

Chapter 21 Maintaining Controllers 427

“Do I Know This Already?” Quiz 427

Accessing WLC and AP Management Interfaces 430

Accessing APs 432

Maintaining WLC Code Images 434

Maintaining WLC Configurations 437

Working with WLC Logs 439

Exam Preparation Tasks 444

Review All Key Topics 444

Chapter 22 Final Review 447

Advice About the Exam Event 447

    Learn the Question Types Using the Cisco Certification Exam Tutorial 447

    Think About Your Time Budget 452

    Other Pre-Exam Suggestions 453

Final Thoughts 455

Appendix A Answers to “Do I Know This Already?” Quizzes 457

Chapter 1 457

Chapter 2 458

Chapter 3 459

Chapter 4 459

Chapter 5 460

Chapter 6 461

Chapter 7 461

Chapter 8 462

Chapter 9 463

Chapter 10 464

Chapter 11 464

Chapter 12 465

Chapter 13 466

Chapter 14 467

Chapter 15 467

Chapter 16 468

Chapter 17 468

Chapter 18 469

Chapter 19 469

Chapter 20 470

Chapter 21 471

Appendix B Modulation and Coding Schemes 473

Key Terms Glossary 481

Index 494

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