You are previewing CWNA: Certified Wireless Network Administrator Official Study Guide: Exam CWNA-106.
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CWNA: Certified Wireless Network Administrator Official Study Guide: Exam CWNA-106

Book Description

Prepare with the only official study guide for the CWNA-106

The CWNA: Certified Wireless Network Administrator Official Study Guide: Exam CWNA-106 is the officially endorsed CWNA test prep for the leading wireless certification. Expert authors and CWNEs David D. Coleman and David A. Westcott guide readers through the skills and concepts candidates need to know for the exam, using hands-on methods to convey an in-depth understanding of wireless network administration. Readers should have a basic knowledge of Radio Frequency behavior, experience with WLAN hardware peripherals and protocols, and an interest in designing, installing, and managing wireless networks.

Wireless technology is taking over the tech industry, and the demand for competent, certified professionals is far outpacing the supply. A CWNA certification denotes advanced-level proficiency in the field, with a complete understanding of wireless LAN components, features, and function—but the only way to pass the exam is to truly understand the material, not just the talking points. The CWNA: Certified Wireless Network Administrator Official Study Guide thoroughly covers each exam objective, and includes review questions, assessment tests, and exercises to test your skills. Topics include:

  • Radio Frequency technologies, regulations, and standards

  • 802.11 protocols

  • Network implementation and security

  • 802.11 RF site surveying

  • Readers also get access to a suite of study tools including an electronic test engine with hundreds or practice test questions, electronic flashcards, exercise peripherals, and industry White Papers, which serve as valuable backup references. In preparing for the CWNA-106 exam, the ideal study guide should cover all of the exam topics in depth—CWNA: Certified Wireless Network Administrator Official Study Guide does just that, making it an excellent, comprehensive study guide.

    Table of Contents

    1. Title Page
    2. Copyright
    3. Publisher's Note
    4. Acknowledgments
    5. About the Authors
    6. Foreword
    7. Introduction
      1. CWNA: Certified Wireless Network Administrator Exam (CWNA-106) Objectives
    8. Assessment Test
    9. Chapter 1: Overview of Wireless Standards, Organizations, and Fundamentals
      1. History of WLAN
      2. Standards Organizations
      3. Core, Distribution, and Access
      4. Communications Fundamentals
      5. Summary
      6. Exam Essentials
      7. Review Questions
    10. Chapter 2: Radio Frequency Fundamentals
      1. What Is a Radio Frequency Signal?
      2. Radio Frequency Characteristics
      3. Radio Frequency Behaviors
      4. Summary
      5. Exam Essentials
      6. Review Questions
    11. Chapter 3: Radio Frequency Components, Measurements, and Mathematics
      1. RF Components
      2. Units of Power and Comparison
      3. RF Mathematics
      4. Summary
      5. Exam Essentials
      6. Review Questions
    12. Chapter 4: Radio Frequency Signal and Antenna Concepts
      1. Azimuth and Elevation Charts (Antenna Radiation Envelopes)
      2. Interpreting Polar Charts
      3. Beamwidth
      4. Antenna Types
      5. Visual Line of Sight
      6. RF Line of Sight
      7. Fresnel Zone
      8. Earth Bulge
      9. Antenna Polarization
      10. Antenna Diversity
      11. Multiple-Input, Multiple-Output
      12. Antenna Connection and Installation
      13. Antenna Accessories
      14. Regulatory Compliance
      15. Summary
      16. Exam Essentials
      17. Review Questions
    13. Chapter 5: IEEE 802.11 Standards
      1. Original IEEE 802.11 Standard
      2. IEEE 802.11-2007 Ratified Amendments
      3. IEEE Std 802.11-2012
      4. Post-2012 Ratified Amendments
      5. IEEE 802.11 Draft Amendments
      6. Defunct Amendments
      7. 802.11m Task Group
      8. Summary
      9. Exam Essentials
      10. Review Questions
    14. Chapter 6: Wireless Networks and Spread Spectrum Technologies
      1. Industrial, Scientific, and Medical Bands
      2. Unlicensed National Information Infrastructure Bands
      3. 3.6 GHz Band
      4. 4.9 GHz Band
      5. Future Wi-Fi Frequencies
      6. Narrowband and Spread Spectrum
      7. Frequency Hopping Spread Spectrum
      8. Direct Sequence Spread Spectrum
      9. Packet Binary Convolutional Code
      10. Orthogonal Frequency Division Multiplexing
      11. 2.4 GHz Channels
      12. Throughput vs. Bandwidth
      13. Communication Resilience
      14. Summary
      15. Exam Essentials
      16. Review Questions
    15. Chapter 7: Wireless LAN Topologies
      1. Wireless Networking Topologies
      2. 802.11 Topologies
      3. 802.11 Configuration Modes
      4. Summary
      5. Exam Essentials
      6. Review Questions
    16. Chapter 8: 802.11 Medium Access
      1. CSMA/CA vs. CSMA/CD
      2. Collision Detection
      3. Distributed Coordination Function
      4. Point Coordination Function
      5. Hybrid Coordination Function
      6. Block Acknowledgment
      7. Wi-Fi Multimedia
      8. Airtime Fairness
      9. Summary
      10. Exam Essentials
      11. Review Questions
    17. Chapter 9: 802.11 MAC Architecture
      1. Packets, Frames, and Bits
      2. Data-Link Layer
      3. Physical Layer
      4. 802.11 and 802.3 Interoperability
      5. Three 802.11 Frame Types
      6. Beacon Management Frame
      7. Authentication
      8. Association
      9. ACK Frame
      10. Fragmentation
      11. Protection Mechanism
      12. Data Frames
      13. Power Management
      14. Summary
      15. Exam Essentials
      16. Review Questions
    18. Chapter 10: WLAN Architecture
      1. Wireless LAN Client Devices
      2. Management, Control, and Data Planes
      3. WLAN Architecture
      4. Specialty WLAN Infrastructure
      5. Summary
      6. Exam Essentials
      7. Review Questions
    19. Chapter 11: WLAN Deployment and Vertical Markets
      1. Deployment Considerations for Commonly Supported WLAN Applications and Devices
      2. Corporate Data Access and End-User Mobility
      3. Network Extension to Remote Areas
      4. Bridging: Building-to-Building Connectivity
      5. Wireless ISP: Last-Mile Data Delivery
      6. Small Office/Home Office
      7. Mobile Office Networking
      8. Branch Offices
      9. Educational/Classroom Use
      10. Industrial: Warehousing and Manufacturing
      11. Retail
      12. Healthcare: Hospitals and Offices
      13. Municipal Networks
      14. Hotspots: Public Network Access
      15. Stadium Networks
      16. Transportation Networks
      17. Law Enforcement Networks
      18. First-Responder Networks
      19. Fixed Mobile Convergence
      20. WLAN and Health
      21. WLAN Vendors
      22. Summary
      23. Exam Essentials
      24. Review Questions
    20. Chapter 12: WLAN Troubleshooting and Design
      1. Layer 2 Retransmissions
      2. 802.11 Coverage Considerations
      3. Capacity vs. Coverage
      4. Voice vs. Data
      5. Performance
      6. Weather
      7. Summary
      8. Exam Essentials
      9. Review Questions
    21. Chapter 13: 802.11 Network Security Architecture
      1. 802.11 Security Basics
      2. Legacy 802.11 Security
      3. Robust Security
      4. Traffic Segmentation
      5. Infrastructure Security
      6. VPN Wireless Security
      7. Guest WLAN Security
      8. Summary
      9. Exam Essentials
      10. Review Questions
    22. Chapter 14: Wireless Attacks, Intrusion Monitoring, and Policy
      1. Wireless Attacks
      2. Intrusion Monitoring
      3. Wireless Security Policy
      4. Summary
      5. Exam Essentials
      6. Review Questions
    23. Chapter 15: Radio Frequency Site Survey Fundamentals
      1. WLAN Site Survey Interview
      2. Documents and Reports
      3. Vertical Market Considerations
      4. Summary
      5. Exam Essentials
      6. Review Questions
    24. Chapter 16: Site Survey Systems and Devices
      1. Site Survey Defined
      2. Site Survey Tools
      3. Coverage Analysis
      4. Summary
      5. Exam Essentials
      6. Review Questions
    25. Chapter 17: Power over Ethernet (PoE)
      1. History of PoE
      2. An Overview of PoE Devices
      3. Planning and Deploying PoE
      4. 802.11n or 802.11ac and PoE
      5. Summary
      6. Exam Essentials
      7. Review Questions
    26. Chapter 18: 802.11n
      1. 802.11n-2009 Amendment
      2. Wi-Fi Alliance Certification
      3. MIMO
      4. HT Channels
      5. HT PHY
      6. HT MAC
      7. HT Operation
      8. Summary
      9. Exam Essentials
      10. Review Questions
    27. Chapter 19: Very High Throughput (VHT) and 802.11ac
      1. 802.11ac-2013 Amendment
      2. 5 GHz Only
      3. 20, 40, 80, and 160 MHz Channels
      4. 256-QAM Modulation
      5. Modulation and Coding Schemes
      6. Single-User MIMO
      7. 802.11ac Data Rates
      8. VHT MAC
      9. Beamforming
      10. Quality of Service
      11. Infrastructure Requirements
      12. 802.11ac in a SOHO or Home
      13. Wi-Fi Alliance Certification
      14. Summary
      15. Exam Essentials
      16. Review Questions
    28. Chapter 20: Bring Your Own Device (BYOD)
      1. Mobile Device Management
      2. Guest WLAN Access
      3. Network Access Control (NAC)
      4. Summary
      5. Exam Essentials
      6. Review Questions
    29. Appendix A: Answers to Review Questions
      1. Chapter 1: Overview of Wireless Standards, Organizations, and Fundamentals
      2. Chapter 2: Radio Frequency Fundamentals
      3. Chapter 3: Radio Frequency Components, Measurements, and Mathematics
      4. Chapter 4: Radio Frequency Signal and Antenna Concepts
      5. Chapter 5: IEEE 802.11 Standards
      6. Chapter 6: Wireless Networks and Spread Spectrum Technologies
      7. Chapter 7: Wireless LAN Topologies
      8. Chapter 8: 802.11 Medium Access
      9. Chapter 9: 802.11 MAC Architecture
      10. Chapter 10: WLAN Architecture
      11. Chapter 11: WLAN Deployment and Vertical Markets
      12. Chapter 12: WLAN Troubleshooting and Design
      13. Chapter 13: 802.11 Network Security Architecture
      14. Chapter 14: Wireless Attacks, Intrusion Monitoring, and Policy
      15. Chapter 15: Radio Frequency Site Survey Fundamentals
      16. Chapter 16: Site Survey Systems and Devices
      17. Chapter 17: Power over Ethernet (PoE)
      18. Chapter 18: 802.11n
      19. Chapter 19: Very High Throughput (VHT) and 802.11ac
      20. Chapter 20: Bring Your Own Device (BYOD)
    30. Appendix B: Abbreviations and Acronyms
      1. Certifications
      2. Organizations and Regulations
      3. Measurements
      4. Technical Terms
    31. Appendix C: About the Additional Study Tools
      1. Additional Study Tools
      2. System Requirements
      3. Using the Study Tools
      4. Troubleshooting
    32. Free Online Study Tools
    33. End User License Agreement