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CompTIA A+ Complete Study Guide PDF

992 Pages·2006·25.622 MB·English
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4830ffirs.fm Page iii Thursday, September 14, 2006 3:20 PM CompTIA A+ ® Complete Study Guide Quentin Docter Emmett Dulaney Toby Skandier Wiley Publishing, Inc. 4830ffirs.fm Page ii Thursday, September 14, 2006 3:20 PM 4830ffirs.fm Page i Thursday, September 14, 2006 3:20 PM CompTIA A+ ® Complete Study Guide 4830ffirs.fm Page ii Thursday, September 14, 2006 3:20 PM 4830ffirs.fm Page iii Thursday, September 14, 2006 3:20 PM CompTIA A+ ® Complete Study Guide Quentin Docter Emmett Dulaney Toby Skandier Wiley Publishing, Inc. 4830ffirs.fm Page iv Thursday, September 14, 2006 3:20 PM Acquisitions and Development Editor: Jeff Kellum Technical Editor: Mike Harwood Production Editor: Daria Meoli Copy Editor: Linda Recktenwald Production Manager: Tim Tate Vice President and Executive Group Publisher: Richard Swadley Vice President and Executive Publisher: Joseph B. Wikert Vice President and Publisher: Neil Edde Media Development Specialist: Angela Denny Book Designer: Judy Fung Compositor: Craig Woods, Happenstance Type-O-Rama Proofreader: James Brook, Word One Indexer: Ted Laux Anniversary Logo Design: Richard Pacifico Cover Designer: Margaret Rowlands Copyright © 2007 by Wiley Publishing, Inc., Indianapolis, Indiana Published simultaneously in Canada ISBN-13: 978-0-4700-4830-6 ISBN-10: 0-4700-4830-1 No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, scanning or otherwise, except as permitted under Sections 107 or 108 of the 1976 United States Copyright Act, without either the prior written permission of the Publisher, or authorization through payment of the appropriate per-copy fee to the Copyright Clearance Center, 222 Rosewood Drive, Danvers, MA 01923, (978) 750-8400, fax (978) 646-8600. Requests to the Publisher for permission should be addressed to the Legal Department, Wiley Publishing, Inc., 10475 Crosspoint Blvd., Indianapolis, IN 46256, (317) 572-3447, fax (317) 572-4355, or online at http://www.wiley.com/go/permissions. Limit of Liability/Disclaimer of Warranty: The publisher and the author make no representations or warranties with respect to the accuracy or completeness of the contents of this work and specifically disclaim all warranties, including without limitation warranties of fitness for a particular purpose. No warranty may be created or extended by sales or promotional materials. The advice and strategies contained herein may not be suitable for every situation. This work is sold with the understanding that the publisher is not engaged in rendering legal, accounting, or other pro- fessional services. If professional assistance is required, the services of a competent professional person should be sought. Neither the publisher nor the author shall be liable for damages arising herefrom. The fact that an organi- zation or Website is referred to in this work as a citation and/or a potential source of further information does not mean that the author or the publisher endorses the information the organization or Website may provide or recom- mendations it may make. Further, readers should be aware that Internet Websites listed in this work may have changed or disappeared between when this work was written and when it is read. For general information on our other products and services or to obtain technical support, please contact our Customer Care Department within the U.S. at (800) 762-2974, outside the U.S. at (317) 572-3993 or fax (317) 572-4002. Wiley also publishes its books in a variety of electronic formats. Some content that appears in print may not be available in electronic books. Library of Congress Cataloging-in-Publication Data is available from the publisher. 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. CompTIA and A+ are registered trademarks of The Computing Technology Industry Association, Inc. All other trademarks are the property of their respective owners. Wiley Publishing, Inc., is not associated with any product or vendor mentioned in this book. 10 9 8 7 6 5 4 3 2 1 4830ffirs.fm Page v Thursday, September 14, 2006 3:20 PM The logo of the CompTIA Authorized Quality Curriculum (CAQC) program and the status of this or other training material as “Authorized” under the CompTIA Authorized Quality Curriculum program signifies that, in CompTIA’s opinion, such training material covers the content of the CompTIA’s related certification exam. CompTIA has not reviewed or approved the accuracy of the contents of this training material and specifically disclaims any warranties of merchantability or fitness for a particular purpose. CompTIA makes no guarantee concerning the success of persons using any such “Authorized” or other training material in order to prepare for any CompTIA certification exam. The contents of this training material were created for the CompTIA A+ exams covering CompTIA certification objectives that were current as of 2006. How to become CompTIA certified: This training material can help you prepare for and pass a related CompTIA certification exam or exams. In order to achieve CompTIA certification, you must register for and pass a CompTIA certification exam or exams. In order to become CompTIA certified, you must: 1. Select a certification exam provider. For more information please visit http://www.comptia.org/certification/general_information/exam_ locations.aspx 2. Register for and schedule a time to take the CompTIA certification exam(s) at a convenient location. 3. Read and sign the Candidate Agreement, which will be presented as the time of the exam(s). The text of the Candidate Agreement can be found at http:// www.comptia.org/certification/general_information/candidate_ agreement.aspx. 4. Take and pass the CompTIA certification exam(s). For more information about CompTIA’s certifications, such as its industry acceptance, benefits or program news, please visit http://www.comptia.org/certification/. CompTIA is a not-for-profit trade information technology (IT) trade association. CompTIA’s certifications are designed by subject matter experts from across the IT industry. Each CompTIA certification is vendor-neutral, covers multiple technologies and requires demonstration of skills and knowledge widely sought after by the IT industry. To contact CompTIA with any questions or comments, please call 630-678-8300 or email [email protected]. 4830ffirs.fm Page vi Thursday, September 14, 2006 3:20 PM To Our Valued Readers: Thank you for looking to Sybex for your CompTIA A+ exam prep needs. We at Sybex are proud of our reputation for providing certification candidates with the practical knowledge and skills needed to succeed in the highly competitive IT marketplace. Certification candidates have come to rely on Sybex for accurate and accessible instruction on today’s crucial technologies and business skills. Just as CompTIA is committed to establishing measurable standards for certifying A+ Techni- cians, Sybex is committed to providing those individuals with the knowledge needed to meet those standards. The authors and editors have worked hard to ensure that this edition of the CompTIA A+ Complete Study Guide you hold in your hands is comprehensive, in-depth, and pedagogi- cally sound. We’re confident that this book will exceed the demanding standards of the certification marketplace and help you, the A+ candidate, succeed in your endeavors. As always, your feedback is important to us. If you believe you’ve identified an error in the book, please send a detailed e-mail to [email protected]. And if you have general comments or sug- gestions, feel free to drop me a line directly at [email protected]. At Sybex we're continually striving to meet the needs of individuals preparing for certification exams. Good luck in pursuit of your A+ certification! Neil Edde Vice President & Publisher Sybex, an Imprint of Wiley 4830ffirs.fm Page vii Thursday, September 14, 2006 3:20 PM To Kara, Abbie, and Lauren—Quentin Docter For Karen—Emmett Dulaney For my wife, Karen. Your support continues to amaze me. None of this would be possible without you. 143—Toby Skandier

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