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CompTIA A+^® Certification Study Guide, Seventh Edition

(Exams 220-701 & 220-702)

Copyright © 2010 by The McGraw-Hill Companies. All rights reserved. Printed in the United States of America. Except as permitted under the Copyright Act of 1976, no part of this publication may be reproduced or distributed in any form or by any means, or stored in a database or retrieval system, without the prior written permission of publisher, with the exception that the program listings may be entered, stored, and executed in a computer system, but they may not be reproduced for publication.

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ISBN: Book p/n 978-0-07-170144-0 and CD p/n 978-0-07-170147-1 of set 978-0-07-170145-7

MHID: Book p/n 0-07-170144-3 and CD p/n 0-07-170147-8 of set 0-07-170145-1

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Information has been obtained by McGraw-Hill from sources believed to be reliable. However, because of the possibility of human or mechanical error by our sources, McGraw-Hill, or others, McGraw-Hill does not guarantee the accuracy, adequacy, or completeness of any information and is not responsible for any errors or omissions or the results obtained from the use of such information.

McGraw-Hill is an independent entity from CompTIA and not affiliated with CompTIA in any manner. This publication may be used in assisting students to prepare for the CompTIA A+ Exams. Neither CompTIA nor McGraw-Hill warrants that use of this publication will ensure passing any exam. CompTIA is a registered trademark of CompTIA in the United States and/or other countries.

The logo of the CompTIA Authorized Quality Curriculum Program and the status of this or other training material as “Authorized” under the CompTIA Authorized 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.

CompTIA Authorized Quality Curriculum

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 CompTIA’s related certification exam.

The contents of this training material were created for the CompTIA A+^® exams covering CompTIA certification objectives that were current as of March 2010.

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.

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:

For more information about CompTIA’s certifications, such as its industry acceptance, benefits, or program news, please visit www.comptia.org/.

CompTIA is a not-for-profit 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 (1) (630) 678-8300 or email questions@comptia.org.