Sinopsis
The content of this book is focused on the real world of wireless design. While this book provides all of the necessary information to pass the CWDP exam, the content is primarily focused on providing tangible value to immediately expand your wireless expertise. The knowledge you will obtain from this book will not only prove valuable if you plan on performing or participating in wireless designs, but will also help you understand what makes WLANs tick, spot design mistakes, troubleshoot pesky clients and applications, understand and quantify RF issues, and more.
Writing a book on wireless design in order to certify career professionals on designing for any equipment vendor isn ’ t a light undertaking. Vendors differ in their approach. There are even different architectures that greatly vary in the way they work, which is certainly the case between equipment vendors, but major architectural differences can even be found between product lines from a single equipment vendor.
The approach taken with the CWDP is far deeper in one area in particular than any other CWNP curriculum has ever embarked upon before — RF. Radio frequency fundamentals is an extremely tough area to teach and is probably the single least understood area of wireless networking across technical professionals. This book aims to change some of that. After all, a house can ’ t be built on a bad foundation. A wired network can ’ t be built using bad cabling. A supersonic jet . . . you get the point. Without the proper foundation for a wireless LAN, the performance will suffer and your network may ultimately fail.
The total focus of this book isn ’ t just the wireless network infrastructure we also explore the client devices that the wireless network infrastructure supports. In Wi - Fi, the communication link of a wireless client and an AP must be in parity with each other. For example, if you switch phones, even with the same mobile network carrier, your experience will vary. Where you may have once had good reception, you won ’ t now, and vice versa. It is no different with Wi - Fi. In fact, it is worse. Mobile network carriers have incredible control over the phones they will support and perform a great deal of engineering before placing them into the hands of customers. Wi - Fi, on the other hand, has many different equipment infrastructure vendors, an even greater disparity of operating modes, and a far greater variety of client devices with comparatively very little rigor and testing between them. Industry standards have a lot of wiggle room, and as a wireless network designer, you need to take this fact into account from the onset. After all, the very reason a wireless network exists is to support client devices.
If you have purchased this book or if you are thinking about purchasing this book, you probably have some interest in taking the CWDP ® (Certifi ed Wireless Design Professional) certifi cation exam or in learning more about what the CWDP certifi cation exam is about. We would like to congratulate you on this fi rst step, and we hope that our book can help you on your journey. Wireless networking is one of the hottest technologies available today and demands for mobility are great among a wide variety of industries. As with many fast - growing technologies, the demand for knowledgeable people is often greater than the supply. The CWDP certifi cation is your opportunity to distinguish yourself from others and a way to prove that you have the knowledge and skills to support this growing industry. This Study Guide was written with that goal in mind.
This book will teach you about wireless networking so that you have the knowledge needed not only to pass the CWDP certification test, but also to be able to design, install, and support wireless networks. We have included review questions at the end of each chapter to help you test your knowledge and prepare for the test. Before we tell you about the certifi cation process and requirements, we must mention that this information may have changed by the time you are taking your test. We recommend that you visit www.cwnp.com as you prepare to study for your test to determine what the current objectives and requirements are.
Content
- Gathering and Analyzing Requirements
- Designing for Client Devices and Applications
- Designing for Applications
- Industry-Specific Design Considerations
- Vendor and WLAN Architecture Selection
- RF Communication Principles
- RF Hardware and 802.11n
- Site Survey Preparation
- Site Survey RF Design
- MAC Layer Design
- Basic WLAN Security Design
- Advanced Enterprise WLAN Security Design
- Documentation and Finalizing the Design Solution
- Post-Installation Validation
- Design Troubleshooting
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