CompTIA A+ Cert Guide

CompTIA? A+ 220-901 and 220-902 Cert Guide

Mark Edward Soper

800 East 96th Street Indianapolis, Indiana 46240 USA

CompTIA? A+ 220-901 and 220-902 Cert Guide

Copyright ? 2017 by Pearson Education, Inc.

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: 978-0-7897-5652-7 ISBN-10: 0-7897-5652-8

Library of Congress Control Number: 2016945195

Printed in the United States of America

First Printing: August 2016

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Editor in Chief Mark Taub

Product Line Manager Brett Bartow

Acquisitions Editors Betsy Brown Michelle Newcomb

Development Editor Ellie Bru

Managing Editor Sandra Schroeder

Project Editor Mandie Frank

Copy Editor Jeff Riley

Indexer Ken Johnson

Proofreader Paula Lowell

Technical Editor Chris Crayton

Publishing Coordinator Vanessa Evans

Designer Chuti Prasertsith

Compositor Tricia Bronkella

Contents at a Glance

Introduction lvii CHAPTER 1 Technician Essentials and Computer/Device Anatomy 101 3 CHAPTER 2 Configure and Use BIOS/UEFI Tools 31 CHAPTER 3 Motherboard Components 67 CHAPTER 4 RAM Types and Features 99 CHAPTER 5 PC Expansion Cards 125 CHAPTER 6 Storage Devices 161 CHAPTER 7 CPUs 205 CHAPTER 8 Ports and Interfaces 253 CHAPTER 9 Designing and Building Custom PC Configurations 301 CHAPTER 10 Using, Maintaining, and Installing Printers and Multifunction

Devices 369 CHAPTER 11 Networking 425 CHAPTER 12 Mobile Devices 507 CHAPTER 13 Hardware and Network Troubleshooting 569 CHAPTER 14 Windows Operating Systems Features and Installation 673 CHAPTER 15 Managing Microsoft Windows 735 CHAPTER 16 Networking Microsoft Windows 839 CHAPTER 17 Operational Procedures 881 CHAPTER 18 OS X and Linux 921 CHAPTER 19 Virtualization, Cloud Computing, and Network Services 957 CHAPTER 20 Mobile Operating Systems and Devices 981 CHAPTER 21 Security 1021 CHAPTER 22 Troubleshooting Desktop and Mobile Operating Systems 1077

Glossary 1151 Index 1220 Online-only Elements: Appendix A CompTIA A+ Objectives Appendix B Memory Tables Appendix C Answers to Memory Tables

Table of Contents

Introduction lvii

Chapter 1 Chapter 2

Technician Essentials and Computer/Device Anatomy 101 3 Foundation Topics 4 The Essential Parts of Any Computer or Mobile Device 4

Front and Rear Views of a Desktop PC 5 All Around a Laptop Computer 9 All-in-One Computers 11 Smartphones and Tablets 11 Quick Reference to PC and Mobile Components 13 Hardware, Software, and Firmware 15 Hardware 15 Software 15 Firmware 16 Why Hardware, Software, and Firmware Are Important to

Understand 16 The CompTIA Six-Step Troubleshooting Theory 17 Technician Tools and Equipment 17

Basic Tools and Supplies for Assembly/Disassembly of Computers 18 System and Electrical Testing Tools 19 Network Installation and Configuration Tools 19 Printer Maintenance Tools 20 Software and Operating Systems 20 Spare Parts and Equipment to Test 21 Important Websites 22 Exam Preparation Tasks 23 Review Questions 23 Answers and Explanations to Review Questions 28 Configure and Use BIOS/UEFI Tools 31 Foundation Topics 32 BIOS/UEFI Configuration 32 Accessing the BIOS Setup Program 32 UEFI and Traditional BIOS 33

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