Emmett Dulaney - CompTIA Network+ N10-005 Authorized Exam Cram

Emmett Dulaney
Mike Harwood

800 East 96th Street, Indianapolis, Indiana 46240 USA

CompTIA Network+ N10-005 Authorized Exam Cram
Copyright 2012 by Pearson

All rights reserved. No part of this book shall be reproduced, stored in a retrieval system, or transmitted by any means, electronic, mechanical, photocopying, recording, or otherwise, without written permission from the publisher. No patent liability is assumed with respect to the use of the information contained herein. Although every precaution has been taken in the preparation of this book, the publisher and author assume no responsibility for errors or omissions. Nor is any liability assumed for damages resulting from the use of the information contained herein.

ISBN-13: 978-0-7897-4905-5
ISBN-10: 0-7897-4905-X

Library of Congress Cataloging-in-Publication data is on file.
First Printing: December 2011

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Emmett Dulaney (Network+, A+, Security+, ManyOthers+) is the author of numerous books on certifications and operating systems. He is a columnist for CertCities and an associate professor at Anderson University. In addition to the Network+ Exam Cram, he is the author of the CompTIA A+ Complete Study Guide and the CompTIA Security+ Study Guide.

Mike Harwood (MCSE, A+, Network+, Server+, Linux+) has more than 14 years experience in information technology and related fields. He has held a number of roles in the IT field including network administrator, instructor, technical writer, website designer, consultant, and online marketing strategist. Mike has been a regular on air technology contributor for CBC radio and has coauthored numerous computer books, including the Network+ Exam Cram published by Pearson.

Christopher A. Crayton is an author, a technical editor, a technical consultant, a security consultant, a trainer and a SkillsUSA state-level technology competition judge. Formerly, he worked as a computer and networking instructor at Keiser College (2001 Teacher of the Year); a network administrator for Protocol, a global electronic customer relationship management (eCRM) company; and at Eastman Kodak Headquarters as a computer and network specialist. Chris has authored several print and online books, including The A+ Exams Guide, Second Edition (Cengage Learning, 2008), Microsoft Windows Vista 70-620 Exam Guide Short Cut (OReilly, 2007), CompTIA A+ Essentials 220-601 Exam Guide Short Cut (OReilly, 2007), The A+ Exams Guide, The A+ Certification and PC Repair Handbook (Charles River Media, 2005), The Security+ Exam Guide (Charles River Media, 2003) and A+ Adaptive Exams (Charles River Media, 2002). He is also co-author of the How to Cheat at Securing Your Network (Syngress, 2007). As an experienced technical editor, Chris has provided many technical edits and reviews for several major publishing companies, including Pearson Education, McGraw-Hill, Cengage Learning, Wiley, OReilly, Syngress, and Apress. He holds MCSE, A+ and Network+ certifications.

For Karen, Kristin, Evan, and Spencer: the backbone of my network.

Emmett Dulaney

I would like to thank Mike Harwood for creating a great book of which I was honored to join with this edition. Thanks are due to a wonderful team of talented individuals, three of whom deserve special attention: Betsy Brown, Jeff Riley, and Christopher A. Crayton. They represent the best in the business.

Emmett Dulaney

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Designed for IT professionals focused on system security.

Covers network infrastructure, cryptography, assessments, and audits.

Security+ is mandated by the U.S. Department of Defense and is recommended by top companies such as Microsoft, HP, and Cisco.

In a digital world, digital literacy is an essential survival skill. Certification proves you have the knowledge and skill to solve business problems in virtually any business environment. Certifications are highly valued credentials that qualify you for jobs, increased compensation, and promotion.