CCNA Wireless 200-355 Official Cert Guide presents you with an organized test-preparation routine through the use of proven series elements and techniques. "Do I Know This Already?" quizzes open each chapter and enable you to decide how much time you need to spend on each section. Exam topic lists make referencing easy. Chapter-ending Exam Preparation Tasks help you drill on key concepts you must know thoroughly.
? Master Cisco CCNA 200-355 exam topics
? Assess your knowledge with chapter-opening quizzes
? Review key concepts with exam preparation tasks
? Practice with realistic exam questions on the DVD
CCNA Wireless 200-355 Official Cert Guide focuses specifically on the objectives for the Cisco CCNA WIFUND 200-355exam. Leading network engineer and best-selling Cisco certification author 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. Material is presented in a concise manner, focusing on increasing your understanding and retention of exam topics.
The companion DVD contains a powerful Pearson IT Certification Practice Test engine that enables you to focus on individual topic areas or take a complete, timed exam. The assessment engine also 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.
Well regarded for its level of detail, assessment features, comprehensive design scenarios, and challenging review questions and exercises, this official study guide helps you master the concepts and techniques that will enable you to succeed on the exam the first time.
The official study guide helps you master all the topics on the CCNA WIFUND exam, including
RF signals, modulations, standards, and performance
Antenna theory
Wireless LAN topologies and 802.11 frame types
Wireless AP coverage planning
Cisco wireless architectures
Autonomous, cloud, and controller-based deployments
Controller discovery, roaming, and RRM
Wireless security
WLAN configuration
Wireless guest network implementation
Client connectivity
Cisco wireless network management
Troubleshooting interference and connectivity
CCNA Wireless 200-355 Official Cert Guide is part of a recommended learning path from Cisco that includes simulation and hands-on training from authorized Cisco Learning Partners and self-study products from Cisco Press. To find out more about instructor-led training, e-learning, and hands-on instruction offered by authorized Cisco Learning Partners worldwide, please visit http://www.cisco.com/web/learning/index.html.
The print edition of the CCNA Wireless 200-355 Official Cert Guide contains two free, complete practice exams.
Also available from Cisco Press for Cisco CCNA study is the CCNA Wireless 200-355 Official Cert Guide Premium Edition eBook and Practice Test. This digital-only certification preparation product combines an eBook with enhanced Pearson IT Certification Practice Test.
This integrated learning package
? Enables 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
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Zielgruppe
ISBN-13
978-1-58714-457-8 (9781587144578)
Schweitzer Klassifikation
David Hucaby, CCIE No. 4594, is a network engineer for a large university healthcare network based on Cisco wireless products. David has bachelor's and master's degrees in electrical engineering from the University of Kentucky. He is the author of several Cisco Press titles, including 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.
David lives in Kentucky with his wife, Marci, and two daughters.
Introduction
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 7
Understanding Frequency 9
Understanding Phase 14
Measuring Wavelength 14
Understanding RF Power and dB 15
Important dB Laws 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 28
5.5-Mbps Data Rate 29
11-Mbps Data Rate 30
OFDM 30
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 50
802.11-1997 51
802.11b 51
802.11g 52
802.11a 53
802.11n 54
Channel Aggregation 55
Spatial Multiplexing 57
MAC Layer Efficiency 58
Transmit Beamforming 59
Maximal-Ratio Combining 60
802.11n Modulation and Coding Schemes 60
802.11ac 60
Robust Channel Aggregation 61
Dense Modulation 63
MAC Layer Efficiency 63
Explicit Transmit Beamforming 64
Scalable MIMO 64
Multi-user MIMO 64
802.11ac Implementation 65
802.11 in Other Frequency Bands 65
Wi-Fi Alliance 66
Exam Preparation Tasks 68
Review All Key Topics 68
802.11 Protocol Summary 68
Define Key Terms 69
Chapter 3 RF Signals in the Real World 71
"Do I Know This Already?" Quiz 71
Foundation Topics 74
Interference 74
Co-Channel Interference 74
Neighboring Channel Interference 75
Non-802.11 Interference 76
Free Space Path Loss 77
Mitigating the Effects of Free Space Path Loss 79
Effects of Physical Objects 80
Reflection 81
Absorption 82
Scattering 83
Refraction 83
Diffraction 84
Fresnel Zones 84
Exam Preparation Tasks 88
Review All Key Topics 88
Define Key Terms 88
Chapter 4 Understanding Antennas 91
"Do I Know This Already?" Quiz 91
Foundation Topics 94
Antenna Characteristics 94
Radiation Patterns 94
Gain 97
Beamwidth 97
Polarization 98
Antenna Types 99
Omnidirectional Antennas 99
Directional Antennas 103
Antenna Summary 107
Adding Antenna Accessories 107
Exam Preparation Tasks 109
Review All Key Topics 109
Define Key Terms 109
Chapter 5 Wireless LAN Topologies 111
"Do I Know This Already?" Quiz 111
Foundation Topics 114
Types of Wireless Networks 114
Wireless LAN Topologies 115
Basic Service Set 116
Distribution System 118
Extended Service Set 120
Independent Basic Service Set 122
Other Wireless Topologies 122
Repeater 122
Workgroup Bridge 123
Outdoor Bridge 124
Mesh Network 125
Exam Preparation Tasks 126
Review All Key Topics 126
Define Key Terms 126
Chapter 6 Understanding 802.11 Frame Types 129
"Do I Know This Already?" Quiz 129
Foundation Topics 132
802.11 Frame Format 132
802.11 Frame Addressing 134
Accessing the Wireless Medium 136
Carrier Sense 137
Collision Avoidance 137
802.11 Frame Types 140
Management Frames 140
Control Frames 141
Data Frames 142
Client Housekeeping 142
A Client Scans for APs 143
A Client Joins a BSS 144
A Client Leaves a BSS 145
A Client Moves Between BSSs 146
A Client Saves Power 147
Exam Preparation Tasks 151
Review All Key Topics 151
Define Key Terms 151
Chapter 7 Planning Coverage with Wireless APs 153
"Do I Know This Already?" Quiz 153
Foundation Topics 157
AP Cell Size 157
Tuning Cell Size with Transmit Power 157
Tuning Cell Size with Data Rates 159
Adding APs to an ESS 162
The Roaming Process 163
WLAN Channel Layout 165
Designing and Validating Coverage with Site Surveys 169
Applications and Their Requirements 169
Site Survey Types and Tools 171
Predictive or Planning Surveys 172
Passive Site Surveys 174
Active Site Surveys 175
Developing a Complete Survey Strategy 178
Exam Preparation Tasks 180
Review All Key Topics 180
Define Key Terms 180
Site Survey Type and Application Highlights 180
Chapter 8 Understanding Cisco Wireless Architectures 183
"Do I Know This Already?" Quiz 183
Foundation Topics 187
Distributed Architectures 187
Autonomous Architecture 187
Cloud-based Architecture 190
Split-MAC Architectures 192
Centralized Wireless Network Architecture 197
Converged Wireless Network Architecture 200
FlexConnect Wireless Network Architecture 204
Cisco Wireless Network Building Blocks 205
Cisco Wireless LAN Controllers 205
Cisco APs 206
Exam Preparation Tasks 209
Review All Key Topics 209
Chapter 9 Implementing Autonomous and Cloud Deployments 211
"Do I Know This Already?" Quiz 211
Foundation Topics 214
Initially Configuring an Autonomous AP 215
Connecting the AP 215
Initially Configuring the AP 217
Upgrading an Autonomous AP 221
Initially Configuring Cloud-based APs 223
Exam Preparation Tasks 228
Review All Key Topics 228
Define Key Terms 228
Chapter 10 Implementing Controller-based Deployments 231
"Do I Know This Already?" Quiz 231
Foundation Topics 235
Connecting a Centralized Controller 235
Using Controller Ports 235
Using Controller Interfaces 237
Performing an Initial Setup 238
Initial Setup of a Centralized Controller with the Configuration Wizard 239
Initial Setup of a Converged Controller with the Configuration Wizard 247
Initial Setup of a Centralized Controller with WLAN Express Setup 254
Initial Setup of a Centralized Controller with the CLI 257
Maintaining a Wireless Controller 258
Backing Up Controller Configurations 258
Updating Wireless LAN Controller Code 259
Updating Wireless Control Module Code 262
Exam Preparation Tasks 263
Review All Key Topics 263
Define Key Terms 263
Chapter 11 Understanding Controller Discovery 265
"Do I Know This Already?" Quiz 265
Foundation Topics 268
Discovering a Controller 268
AP States 268
Discovering a WLC 270
Selecting a WLC 271
Designing High Availability 272
Detecting a Controller Failure 274
Building Redundancy 274
N+1 Redundancy 274
N+N Redundancy 275
N+N+1 Redundancy 276
SSO Redundancy 277
Exam Preparation Tasks 279
Review All Key Topics 279
Define Key Terms 279
Chapter 12 Understanding Roaming 281
"Do I Know This Already?" Quiz 281
Foundation Topics 285
Roaming Overview 285
Roaming Between Autonomous APs 285
Intracontroller Roaming 288
Roaming Between Centralized Controllers 290
Layer 2 Roaming 290
Layer 3 Roaming 292
Scaling Mobility with Mobility Groups 296
Roaming Coordination with Centralized Controllers 298
Roaming Between Converged Controllers 300
Exam Preparation Tasks 303
Review All Key Topics 303
Define Key Terms 303
Chapter 13 Understanding RRM 305
"Do I Know This Already?" Quiz 305
Foundation Topics 308
Configuring 802.11 Support 308
Configuring Data Rates 309
Configuring 802.11n and 802.11ac Support 310
Understanding RRM 311
RF Groups 313
TPC 315
DCA 318
Coverage Hole Detection Mitigation 320
Manual RF Configuration 322
Verifying RRM Results 323
Exam Preparation Tasks 325
Review All Key Topics 325
Define Key Terms 325
Chapter 14 Wireless Security Fundamentals 327
"Do I Know This Already?" Quiz 327
Foundation Topics 331
Anatomy of a Secure Connection 331
Authentication 332
Message Privacy 333
Message Integrity 334
Intrusion Protection 335
Wireless Client Authentication Methods 336
Open Authentication 336
WEP 337
802.1x/EAP 338
LEAP 339
EAP-FAST 339
PEAP 340
EAP-TLS 340
Wireless Privacy and Integrity Methods 341
TKIP 341
CCMP 342
WPA and WPA2 342
Securing Management Frames with MFP 343
Configuring Wireless Security 344
Configuring WPA2 Personal 344
Configuring WPA2 Enterprise Mode 346
Configuring WPA2 Enterprise with Local EAP 348
Exam Preparation Tasks 351
Review All Key Topics 351
Define Key Terms 351
Chapter 15 Configuring a WLAN 353
"Do I Know This Already?" Quiz 353
Foundation Topics 355
WLAN Overview 355
Configuring a WLAN 356
Configuring a RADIUS Server 356
Creating a Dynamic Interface 358
Creating a New WLAN 360
Configuring WLAN Security 362
Configuring WLAN QoS 364
Configuring Advanced WLAN Settings 365
Finalizing WLAN Configuration 366
Exam Preparation Tasks 368
Review All Key Topics 368
Chapter 16 Implementing a Wireless Guest Network 371
"Do I Know This Already?" Quiz 371
Foundation Topics 374
Guest Network Overview 374
Scaling the Guest Network 375
Configuring a Guest Network 377
Exam Preparation Tasks 382
Review All Key Topics 382
Define Key Terms 382
Chapter 17 Configuring Client Connectivity 385
"Do I Know This Already?" Quiz 385
Foundation Topics 388
Configuring Common Wireless Clients 388
Considering Wireless Client Requirements 388
Understanding Windows Wi-Fi 389
Understanding Android Wi-Fi 395
Understanding MacOS X Wi-Fi 397
Understanding Apple iOS Wi-Fi 400
Cisco Compatibility Extensions 402
Exam Preparation Tasks 406
Review All Key Topics 406
Define Key Terms 406
Chapter 18 Managing Cisco Wireless Networks 409
"Do I Know This Already?" Quiz 409
Foundation Topics 412
Cisco Unified Access Overview 412
Using Prime Infrastructure 414
Alarms in the Dashboard 417
Monitoring a Wireless Network with Prime Infrastructure 419
Using Prime Infrastructure Maps 420
Configuring Devices with PI 426
Exam Preparation Tasks 427
Review All Key Topics 427
Chapter 19 Dealing with Wireless Interference 429
"Do I Know This Already?" Quiz 429
Foundation Topics 432
Understanding Types of Interference 432
Bluetooth 432
ZigBee 433
Cordless Phones 434
Microwave Ovens 434
WiMAX 434
Other Devices 435
Using Tools to Detect and Manage Interference 436
Spectrum Analyzers 436
Cisco CleanAir 439
Enabling CleanAir 440
Air-Quality Index 443
Using Event-Driven RRM 445
Exam Preparation Tasks 447
Review All Key Topics 447
Define Key Terms 447
Chapter 20 Troubleshooting WLAN Connectivity 449
"Do I Know This Already?" Quiz 449
Foundation Topics 453
Troubleshooting Client Connectivity 453
Troubleshooting Clients from PI 454
Testing a Client from PI 459
Troubleshooting Clients from the Controller 461
Verifying Client WLAN Settings 462
Viewing Controller Logs 463
Troubleshooting AP Connectivity 464
Verifying AP-to-WLC Connectivity 464
Verifying AP-to-Network Connectivity 465
Verifying the AP and Antenna Orientation 467
Checking the RF Environment 468
Exam Preparation Tasks 472
Review All Key Topics 472
Chapter 21 Final Review 475
Advice About the Exam Event 475
Learn the Question Types Using the Cisco Certification Exam Tutorial 475
Think About Your Time Budget 480
Other Pre-Exam Suggestions 481
Exam Engine and Questions on the DVD 482
Install the Exam Engine 482
Activate and Download the Practice Exam 483
Activating Other Exams 483
Premium Edition 484
Using the Exam Engine 484
The Cisco Learning Network 485
Final Thoughts 485
Appendix A Answers to the "Do I Know This Already?" Quizzes 487
Appendix B Modulation and Coding Schemes 505
Appendix C CCNA Wireless 200-355 Exam Updates 513
Key Terms Glossary 515
On the DVD
Appendix D Study Planner
Key Terms Glossary
9781587144578 TOC 11/19/2015
