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Автор: Lammle Todd
Издательство: John Wiley & Sons Limited
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Жанр произведения: Зарубежная образовательная литература
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isbn: 9781119288800
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      Todd Lammle

      CCENT® Cisco Certified Entry Networking Technician ICND1 Study Guide Third Edition

      CCENT®

      Cisco Certified Entry Networking Technician ICND1

      Study Guide

      Third Edition

      Todd Lammle

      Senior Acquisitions Editor: Kenyon Brown

      Development Editor: Kim Wimpsett

      Technical Editors: Todd Montgomery

      Production Editor: Christine O'Connor

      Copy Editor: Judy Flynn

      Editorial Manager: Mary Beth Wakefield

      Production Manager: Kathleen Wisor

      Executive Editor: Jim Minatel

      Book Designers: Judy Fung and Bill Gibson

      Proofreader: Josh Chase, Word One New York

      Indexer: John Sleeva

      Project Coordinator, Cover: Brent Savage

      Cover Designer: Wiley

      Cover Image: Getty Images Inc./Jeremy Woodhouse

      Copyright © 2016 by John Wiley & Sons, Inc., Indianapolis, Indiana

      Published simultaneously in Canada

      Manufactured in the United States of America

      ISBN: 978-1-119-28878-7

      ISBN: 978-1-119-28879-4 (ebk.)

      ISBN: 978-1-119-28880-0 (ebk.)

      Manufactured in the United States of America

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      Library of Congress Control Number: 2016942433

      TRADEMARKS: Wiley, the Wiley logo, and the Sybex logo are trademarks or registered trademarks of John Wiley & Sons, Inc. and/or its affiliates, in the United States and other countries, and may not be used without written permission. CCENT is a registered trademark of Cisco Technology, Inc. All other trademarks are the property of their respective owners. John Wiley & Sons, Inc. is not associated with any product or vendor mentioned in this book.

      Acknowledgments

      There are many people that work to put a book together, and as an author, I dedicated an enormous amount of time to write this book, but it would have never been published without the dedicated, hard work of many other people.

      Kenyon Brown, my acquisitions editor, is instrumental to my success in the world of Cisco certification. Ken, I look forward to our continued progress together in both the print and video markets!

      Christine O’Connor, my production editor, and Judy Flynn, my copyeditor, were my rock and foundation for formatting and intense editing of every page in this book. This amazing team gives me the confidence to help keep me moving during the difficult and very long days, week after week. How Christine stays so organized with all my changes, as well as making sure every figure is in the right place in the book is still a mystery to me! You’re amazing, Christine! Thank you! Judy understands my writing style so well now, after doing at least a dozen books with me, that she even sometimes finds a technical error that may have slipped through as I was going through the material. Thank you, Judy, for doing such a great job! I truly thank you both.

      About the Author

      Todd Lammle is the authority on Cisco certification and internetworking and is Cisco certified in most Cisco certification categories. He is a world-renowned author, speaker, trainer, and consultant. Todd has three decades of experience working with LANs, WANs, and large enterprise licensed and unlicensed wireless networks, and lately he’s been implementing large Cisco Firepower networks. His years of real-world experience are evident in his writing; he is not just an author but an experienced networking engineer with very practical experience working on the largest networks in the world, at such companies as Xerox, Hughes Aircraft, Texaco, AAA, Cisco, and Toshiba, among many others. Todd has published over 60 books, including the very popular CCNA: Cisco Certified Network Associate Study Guide, CCNA Wireless Study Guide, CCNA Data Center Study Guide, and SSFIPS (Firepower), all from Sybex. He runs an international consulting and training company based in Colorado, Texas, and San Francisco.

      You can reach Todd through his webesite at www.lammle.com/ccna.

      Introduction

      Welcome to the exciting world of Cisco certification! If you’ve picked up this book because you want to improve yourself and your life with a better, more satisfying, and secure job, you’ve done the right thing. Whether you’re striving to enter the thriving, dynamic IT sector or seeking to enhance your skill set and advance your position within it, being Cisco certified can seriously stack the odds in your favor to help you attain your goals!

      Cisco certifications are powerful instruments of success that also markedly improve your grasp of all things internetworking. As you progress through this book, you’ll gain a complete understanding of networking that reaches far beyond Cisco devices. By the end of this book, you’ll comprehensively know how disparate network topologies and technologies work together to form the fully operational networks that are vital to today’s very way of life in the developed world. The knowledge and expertise