Details

CCNA Wireless Study Guide


CCNA Wireless Study Guide

IUWNE Exam 640-721
1. Aufl.

von: Todd Lammle

30,99 €

Verlag: Sybex
Format: EPUB
Veröffentl.: 26.08.2010
ISBN/EAN: 9780470901717
Sprache: englisch
Anzahl Seiten: 600

DRM-geschütztes eBook, Sie benötigen z.B. Adobe Digital Editions und eine Adobe ID zum Lesen.

Beschreibungen

A complete guide to the CCNA Wireless exam by leading networking authority Todd Lammle The CCNA Wireless certification is the most respected entry-level certification in this rapidly growing field. Todd Lammle is the undisputed authority on networking, and this book focuses exclusively on the skills covered in this Cisco certification exam. The CCNA Wireless Study Guide joins the popular Sybex study guide family and helps network administrators advance their careers with a highly desirable certification. The CCNA Wireless certification is the most respected entry-level wireless certification for system administrators looking to advance their careers Written by Todd Lammle, the leading networking guru and author of numerous bestselling certification guides Provides in-depth coverage of every exam objective and the technology developed by Cisco for wireless networking Covers WLAN fundamentals, installing a basic Cisco wireless LAN and wireless clients, and implementing WLAN security Explains the operation of basic WCS, basic WLAN maintenance, and troubleshooting Companion CD includes the Sybex Test Engine, flashcards, and entire book in PDF format Includes hands-on labs, end-of-chapter review questions, Exam Essentials overview, Real World Scenarios, and a tear-out objective map showing where each exam objective is covered The CCNA Wireless Study Guide prepares any network administrator for exam success. Note: CD-ROM/DVD and other supplementary materials are not included as part of eBook file.
Introduction xxi Assessment Test xxx Chapter 1 Wireless Networks and Topologies 1 Wireless Networks 2 Wireless Personal Area Network (WPAN) 3 Wireless LAN (WLAN) 4 Wireless Metro Area Network (WMAN) 4 Wireless Wide Area Network (WWAN) 5 Basic Wireless Devices 5 Wireless Access Points 5 Wireless Network Interface Card (NIC) 7 Wireless Antennas 8 Wireless Topologies 9 Independent Basic Service Set (Ad Hoc) 9 Basic Service Set (BSS) 10 Infrastructure Basic Service Set 11 Service Set ID 12 Extended Service Set 12 Workgroup Bridge 14 Repeaters 15 Bridging 16 Mesh Networks 17 Switching 19 VLAN Memberships 21 Static VLANs 21 Dynamic VLANs 21 Types of Switch Ports 22 Frame Tagging 24 VLAN Trunking Protocols 24 Configuring VLANs 25 Assigning Switch Ports to VLANs 27 Configuring Trunk Ports 28 Summary 32 Exam Essentials 32 Written Lab 1 33 Review Questions 34 Answers to Review Questions 38 Answers to Written Lab 1 40 Chapter 2 WLAN RF Fundamentals 41 Introducing Radio Frequency (RF) 43 RF Basics 43 Radio Frequency Behaviors 46 RF Operational Requirements 51 RF Math 54 RF Values 54 Rule of 3s and 10s 57 WLAN Antennas 60 Antenna Principles 60 Polarization 61 Diversity 62 Antenna Types 63 Semidirectional 67 Highly Directional 68 Antenna Accessories 69 Summary 73 Exam Essentials 74 Written Lab 75 Review Questions 76 Answers to Review Questions 80 Answers to Written Lab 82 Chapter 3 Spread Spectrum Technologies and Modulations 83 Transmission Methods: An Overview 84 Spread Spectrum 85 Frequency Hopping Spread Spectrum 86 Direct Sequence Spread Spectrum 88 Orthogonal Frequency Division Multiplexing 91 Channel Management and Overlap 96 Channel Overlap Techniques 98 Summary 99 Exam Essentials 100 Written Lab 101 Review Questions 102 Answers to Review Questions 104 Answers to Written Lab 105 Chapter 4 Wireless Regulation Bodies, Standards, and Certifications 107 Wireless Regulations 108 IEEE 802.11 Transmission 109 Unlicensed Bands 110 IEEE Wireless 112 2.4GHz (802.11b) 113 2.4GHz (802.11g) 116 5GHz (802.11a) 119 5GHz (802.11h) 121 2.4GHz/5GHz (802.11n) 123 Wireless Frames 126 CSMA/CA 126 Three Frames Types 128 A Closer Look at Management Frames 133 A Closer Look at Control Frames 141 Nonstandard Wireless Technologies 144 Bluetooth 144 Cordless Phones 145 ZigBee 145 Non-802.11 Interfering Devices 146 WiMAX 146 Summary 148 Exam Essentials 148 Written Lab 149 Review Questions 150 Answers to Review Questions 154 Answers to Written Lab 156 Chapter 5 Introduction to Wireless Security 157 Wireless Threats 158 Rogue APs 159 Ad Hoc Networks 159 Denial of Service 160 Passive Attacks 162 Open Access 163 Security Measures 164 Service Set Identifiers (SSIDs) and Media Access Control (MAC) Address Authentication 165 Authentication 165 Encryption 176 Centralized Key Management 183 Implementation Standards 184 Summary 188 Exam Essentials 188 Written Lab 189 Review Questions 190 Answers to Review Questions 194 Answers to Written Lab 196 Chapter 6 Wireless Clients and Cisco Extension (CCX) 197 Wireless Clients 198 Windows XP 198 Windows Vista 203 Windows 7 208 Apple 208 Linux 210 Cisco’s Supplicants 212 Cisco ADU 212 Cisco Secure Services Client 217 Installation 217 Cisco-Compatible Extensions 220 CCX Versions 1 Through 5 220 Summary 221 Exam Essentials 221 Written Lab 223 Hands-on Labs 224 Hands-on Lab 6.1: Installing the ADU 224 Hands-on Lab 6.2: Creating a Profile 224 Review Questions 226 Answers to Review Questions 230 Answers to Written Lab 232 Chapter 7 Introduction to the Cisco Unified Wireless Network (CUWN) 233 WLAN Deployment Models 234 Stand-alone Model 235 Lightweight Model 236 Cisco Unified Network Devices 239 Access Points 239 Wireless LAN Controllers 242 Wireless Control Systems 244 Lightweight AP Operation and Maintenance 245 AP Discovery and Association 245 Redundancy 250 AP Modes 252 Roaming 255 Mobility Groups 255 Layer 2 and Layer 3 Roaming 257 Radio Resource Management 259 Summary 260 Exam Essentials 261 Written Lab 262 Review Questions 263 Answers to Review Questions 267 Answers to Written Lab 268 Chapter 8 Introduction to the Cisco Mobility Express Wireless Architecture 269 Cisco Mobility Express 270 Small Business Communication System 270 Express Wireless Architecture 272 Cisco Mobility Express vs. CUWN Features Comparison 274 Using the Cisco Configuration Assistant 275 The Discovery Process with the CCA 279 Configuring the Express 526WLC Without the CCA 280 Summary 281 Exam Essentials 281 Written Lab 283 Hands-On Labs 283 Hands-on Lab 8.1: Installing the CCA and Connecting to the 526WLC 283 Hands-on Lab 8.2: Connecting Directly to the 526WLC Through the Management Port 284 Review Questions 285 Answers to Review Questions 289 Answers to Written Lab 290 Chapter 9 Installing the Cisco Unified Wireless Network (CUWN) 291 Understanding Controller Interfaces 292 Ports 292 Types of Interfaces 293 WLC Management 297 Initial Setup Options 298 Managing Stand-alone APs 309 Connecting To and Managing a Stand-alone AP 310 Express Setup and Security 313 Migrating Stand-alone APs 315 Reverting Back to Cisco IOS 317 Summary 318 Exam Essentials 318 Written Lab 320 Hands-On Labs 320 Lab 9.1: Performing the Initial Setup via the Service Port 320 Lab 9.2: Creating a WLAN 321 Lab 9.3: Performing the Initial Setup via the Serial Port 322 Lab 9.4: Adding an Administrative User on the WLC 322 Lab 9.5: Executing the Express Setup on a Stand-alone AP 323 Review Questions 324 Answers to Review Questions 328 Answers to Written Lab 330 Chapter 10 Configuring Wireless Security on the CUWN 331 Security and the Connection Process 332 Configuring Security on the WLC 333 Settings per WLAN 333 Global Settings 339 Configuring the Clients 340 Windows Zero Configuration 341 Linux Network Manager 345 Mac AirPort Extreme 346 Cisco ADU 348 Summary 349 Exam Essentials 349 Written Lab 351 Hands-On Labs 352 Lab 10.1: Configuring the WLC for WPA PSK 352 Lab 10.2: Configuring the WLC for 802.1x 353 Review Questions 354 Answers to Review Questions 358 Answers to Written Lab 360 Chapter 11 Wireless Control System (WCS) 361 Basics of WCS 362 WCS Versions 363 WCS Licensing 364 Cisco WCS Navigator 366 Installing and Upgrading WCS 366 Configuring Ports 366 Performing a New WCS Install 367 Upgrading WCS 374 Verifying the Upgrade/Installation 375 Basic WCS Setup 375 Configuring Passwords 376 Administration Tasks 376 Background Tasks 378 AAA 379 Configuring WLCs and APs 384 Managing the Controllers 390 Configuring Maps 396 Setting Up Campus Maps 396 Setting Up Building Maps 399 Setting Up Floor Plan Maps 400 Setting Up APs on Maps 401 Monitoring the CUWN with WCS 404 Personalizing the Home Page 405 Using the Monitor Tab 407 Locating Devices 412 Summary 412 Exam Essentials 413 Written Lab 414 Hands-On Labs 414 Lab 11.1: Installing the WCS 414 Lab 11.2: Creating an Administrative Account 416 Review Questions 417 Answers to Review Questions 421 Answers to Written Lab 422 Chapter 12 WLAN Maintenance and Troubleshooting 423 Basic Troubleshooting Methods 424 WLCs 425 APs 426 Clients 426 Troubleshooting Tools 432 Troubleshooting a Client Association with a WLAN Analyzer 432 GUI Tools on the WLC 432 GUI Tools on the WCS 434 WLC CLI Troubleshooting 436 debug Commands 436 show Commands 440 Logging 441 RF Deployment Considerations 449 Interference Sources 449 Conducting the All-Important Site Survey 454 WLC and WCS Configuration and OS Files 458 Code Upgrades 458 WLC Configuration Backups 462 Collecting Information on the APs 465 WLC Access Methods 466 GUI 467 CLI 467 Summary 469 Exam Essentials 469 Written Lab 470 Hands-On Labs 470 Lab 12.1: Upgrading the Code Version on the WCS 471 Lab 12.2: Performing a Manual Backup of the WCS Database 471 Lab 12.3: Performing a Controller Code Update 472 Review Questions 473 Answers to Review Questions 476 Answers to Written Lab 478 Appendix About the Companion CD 479 Glossary 483 Index 493

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