Table of Contents

Title Page

Copyright

Publisher's Note

Acknowledgments

About the Author

Table of Exercises

Foreword

Introduction

CWTS Exam Objectives

Assessment Test

Answers to Assessment Test

Chapter 1: Introduction to Computer Networking

Network Types

Network Topologies

The OSI Model

Device Addressing

Summary

Exam Essentials

Review Questions

Chapter 2: Introduction to Wireless Local Area Networking

The Wireless Computer Network

Common WLAN Deployment Scenarios

Building-to-Building Connectivity Using Wireless LAN Technology

RF Regulatory Domain Governing Bodies and Local Regulatory Authorities

IEEE and Wireless LAN Standards

Interoperability Certifications

Summary

Exam Essentials

Review Questions

Chapter 3: Wireless LAN Infrastructure Devices

The Wireless Access Point

Wireless Mesh

Wireless LAN Routers

Wireless Bridges

Wireless Repeaters

Wireless LAN Controllers

Power over Ethernet

Summary

Exam Essentials

Review Questions

Chapter 4: Wireless LAN Client Devices

Radio Hardware Used with Wireless LAN Technology

PCMCIA

ExpressCard

USB 1.0, USB 1.1, USB 2.0, and USB 3.0

Peripheral Component Interconnect

Mini-PCI, Mini-PCIe, and Half Mini-PCIe

Additional Adapter Types

CompactFlash Devices

Secure Digital

Wireless Workgroup Bridges

Client Device Drivers

Client Utility Software

Summary

Exam Essentials

Review Questions

Chapter 5: Physical Layer Access Methods and Spread-Spectrum Technology

Network Access Methods

Spread-Spectrum Technology

IEEE 802.11g Extended Rate Physical

IEEE 802.11n High Throughput

IEEE 802.11a, 802.11g and 802.11n Orthogonal Frequency Division Multiplexing

Summary

Exam Essentials

Review Questions

Chapter 6: Radio Frequency Fundamentals for Wireless LAN Technology

Understanding Radio Frequency

Wireless LAN Coverage and Capacity

Radio Frequency Range and Speed

Wi-Fi and Non-Wi-Fi Interference

Basic Units of Radio Frequency Measurement

Summary

Exam Essentials

Review Questions

Chapter 7: Wireless LAN Antennas and Accessories

Basic Radio Frequency Antenna Concepts

Wireless LAN Antenna Types

Radio Frequency Cables and Connectors

Factors in Antenna Installation

Minimizing the Effects of Multipath Using Antenna Diversity

Combating Effects of Wind and Lightning in WLAN Installations

Installation Safety

Antenna Mounting

Maintaining Clear Communications

Summary

Exam Essentials

Review Questions

Chapter 8: Wireless LAN Terminology and Technology

Wireless LAN Modes of Operation

Connecting to an IEEE 802.11 Wireless Network

The Distribution System

Data Rates

Throughput

Dynamic Rate Switching

Wireless LAN Roaming or Transition

IEEE 802.11 Power Save Operations

IEEE 802.11 Protection Mechanisms

Summary

Exam Essentials

Review Questions

Chapter 9: Wireless LAN Security Basics

Introducing IEEE 802.11 Wireless LAN Security

Wireless LAN Threats and Intrusion

IEEE 802.11 Standard Security

Early Wireless LAN Security Technologies

MAC Address Filtering

IEEE 802.11 Authentication and Data Encryption

IEEE 802.11 SOHO and Enterprise Security Technologies

Wi-Fi Protected Access and WPA2 Personal Security

WPA and WPA2 Enterprise Security

IEEE 802.1X/EAP

IEEE 802.11 Encryption Methods

Role-Based Access Control

Virtual Private Networking

The Wireless Intrusion Prevention System

The Captive Portal

Wireless Network Management and Monitoring Systems

Industry Regulatory Compliance

Summary

Exam Essentials

Review Questions

Chapter 10: Wireless LAN Site Survey Basics

Wireless LAN Site Surveys

Gathering Business Requirements

Interviewing Stakeholders

Defining Physical and Data Security Requirements

Gathering Site-Specific Documentation

Identifying Infrastructure Connectivity and Power Requirements

Understanding Application Requirements

Understanding RF Coverage and Capacity Requirements

Client Connectivity Requirements

Antenna Use Considerations

Summary

Exam Essentials

Review Questions

Chapter 11: Performing an RF Wireless LAN Site Survey

The Physical Radio Frequency Site Survey Process

Radio Frequency Spectrum Analysis

Performing a Manual Radio Frequency Wireless LAN Site Survey

Performing a Predictive Modeling Site Survey

Protocol Analysis

Documenting Existing Network Characteristics

RF Coverage Requirements

Infrastructure Hardware Selection and Placement

Infrastructure Connectivity and Power Requirements

Received Signal Strength

Testing Antenna Use

Wireless Channel Architectures

Wireless Device Installation Limitations

Site Survey Report

Summary

Exam Essentials

Review Questions

Chapter 12: Troubleshooting and Maintaining IEEE 802.11 Wireless Local Area Networks

Identifying Wireless LAN Problems

Wireless LAN Connectivity—Coverage and Capacity Problems

Application Performance Problems

Optimizing Wireless Networks

Summary

Exam Essentials

Review Questions

Appendix A: Answers to Review Questions

Chapter 1: Introduction to Computer Networking

Chapter 2: Introduction to Wireless Local Area Networking

Chapter 3: Wireless LAN Infrastructure Devices

Chapter 4: Wireless LAN Client Devices

Chapter 5: Physical Layer Access Methods and Spread-Spectrum Technology

Chapter 6: Radio Frequency Fundamentals for Wireless LAN Technology

Chapter 7: Wireless LAN Antennas and Accessories

Chapter 8: Wireless LAN Terminology and Technology

Chapter 9: Wireless LAN Security Basics

Chapter 10: Wireless LAN Site Survey Basics

Chapter 11: Performing an RF Wireless LAN Site Survey

Chapter 12: Troubleshooting and Maintaining IEEE 802.11 Wireless Local Area Networks

Appendix B: About the Additional Study Tools

Additional Study Tools

System Requirements

Using the Study Tools

Troubleshooting

Index

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