CompTIA A 220-801 And 220-802 Authorized Cert Guide

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CompTIA A 220-801 and220-802 Authorized CertGuideThird EditionMark Edward SoperDavid L. ProwseScott Mueller800 East 96th StreetIndianapolis, Indiana 46240 USA

CompTIA A 220-801 and 220-802 Authorized Cert Guide,Third EditionAssociate PublisherDave DusthimerCopyright 2013 by Pearson Education, Inc.Acquisitions EditorBetsy BrownAll rights reserved. No part of this book shall be reproduced, stored ina retrieval system, or transmitted by any means, electronic, mechanical,photocopying, recording, or otherwise, without written permission fromthe publisher. No patent liability is assumed with respect to the use of theinformation contained herein. Although every precaution has been taken inthe preparation of this book, the publisher and author assume no responsibility for errors or omissions. Nor is any liability assumed for damagesresulting from the use of the information contained herein.ISBN-13: 978-0-7897-4850-8ISBN-10: 0-7897-4850-9Library of Congress Cataloging-in-Publication data is on file.Printed in the United States of AmericaFirst Printing: September 2012TrademarksAll terms mentioned in this book that are known to be trademarks or service marks have been appropriately capitalized. Pearson IT Certificationcannot attest to the accuracy of this information. Use of a term in this bookshould not be regarded as affecting the validity of any trademark or servicemark.Warning and DisclaimerEvery effort has been made to make this book as complete and as accurateas possible, but no warranty or fitness is implied. The information providedis on an “as is” basis. The authors and the publisher shall have neither liability nor responsibility to any person or entity with respect to any loss ordamages arising from the information contained in this book or from theuse of the CD or programs accompanying it.Bulk SalesPearson IT Certification offers excellent discounts on this book when ordered in quantity for bulk purchases or special sales. For more information,please contactU.S. Corporate and Government or sales outside the United States, please contactInternational Salesinternational@pearsoned.comDevelopment EditorAndrew CuppManaging EditorSandra SchroederSenior Project EditorTonya SimpsonCopy EditorApostrophe EditingServicesProofreaderMegan WadeTechnical EditorChris CraytonEditorial AssistantVanessa EvansMedia ProducerTim WarnerBook DesignerGary AdairCompositorBronkella Publishing

ContentsContents at a GlanceIntroductionxxxviiCHAPTER 1Technician Essentials and PC Anatomy 1013CHAPTER 2Motherboards and ProcessorsCHAPTER 3BIOSCHAPTER 4Power Supplies and System CoolingCHAPTER 5RAMCHAPTER 6I/O and Input Ports and Devices207CHAPTER 7Video Displays and Video Cards273CHAPTER 8Customized PCs and Multimedia Devices 313CHAPTER 9Laptop and Notebook Computers 345CHAPTER 10Mobile DevicesCHAPTER 11PrintersCHAPTER 12Storage DevicesCHAPTER 13Installing and Upgrading WindowsCHAPTER 14Using and Managing WindowsCHAPTER 15Troubleshooting and Maintaining WindowsCHAPTER 16NetworkingCHAPTER 17SecurityCHAPTER 18Operational Procedures and Communications 69Index 995CD Only:APPENDIX AMemory TablesAPPENDIX BMemory Tables Answer Key929iii

ivCompTIA A 220-801 and 220-802 Authorized Cert GuideTable of ContentsIntroductionChapter 1xxxviiTechnician Essentials and PC Anatomy 101 3The Essential Parts of Any Computer 4Front and Rear Views of a Desktop PC 5All Around a Notebook (Laptop) Computer 7Quick Reference to PC Components 8Hardware, Software, and Firmware 9Hardware 10Software 10Firmware 11Why Hardware, Software, and Firmware Are Important toUnderstand 11Points of Failure 11Points of Failure on a Desktop Computer 12Points of Failure on a Notebook Computer 13The CompTIA Six-Step Troubleshooting Process 14PC Tools 15Basic Tools for Assembly/Disassembly of Computers 15ESD Protection 16System and Electrical Testing Tools 16Network Installation and Configuration Tools 17Printer Maintenance Tools 18Important Websites 18Review All the Key Topics 19Complete the Tables and Lists from Memory 19Define Key Terms 19Complete Hands-On Labs 19Lab 1-1: Determine the External Equipment Available on a Desktop orLaptop Computer 20Lab 1-2: Determine the Tool(s) to Use for Performing Specified Serviceon a PC 21Answer Review Questions 21

ContentsAnswers to Hands-On Labs 24Lab 1-1: Determine the external equipment available on a desktop orlaptop computer. 24Lab 1-2: Determine the tool(s) to use for performing specified service ona PC. 26Answers and Explanations to Review Questions 26Chapter 2Motherboards and Processors29Motherboards and Their Components 30Form Factors 31Integrated I/O Ports 33Memory Slots 35Expansion Slots 36Chipset Components 42Jumpers and Jumper Blocks 44Fan Connectors 44Audio Connectors 45Front-Panel Connectors 46Installing Motherboards48Step-by-Step Motherboard Removal48Preparing the Motherboard for Installation 50Step-by-Step Motherboard Installation51Troubleshooting Motherboards 52Unexpected Shutdowns52Continuous Reboots (Power Supply and BSOD Problems) 53BIOS Time and Settings Resets 53System Lockups54POST Code Beeps at Startup 54Blank Screen on Bootup 54Smoke or Burning Smells 55System Will Not Start 55Processors and CPUs 58Overview of Processor Differences 58Intel Processors 58AMD Processors 64v

viCompTIA A 220-801 and 220-802 Authorized Cert GuideCPU Technologies 69Hyperthreading (HT Technology) 70Multicore 70Cache 70Bus Speeds71Overclocking 7232-bit Versus 64-bit Architecture 73Virtualization Support 73Integrated GPU74CPU Cooling 74Passive and Active Heat Sinks 75Liquid Cooling Systems 76Review All the Key Topics 78Complete the Tables and Lists from Memory 79Define Key Terms 79Complete Hands-On Lab 79Lab 2-1: Determine Available USB Ports, Locations, and Types 79Lab 2-2: Determine Smallest Form Factor Suitable for a New PC 80Answer Review Questions 80Answers to Hands-On Lab 82Lab 2-1: Determine Available USB Ports, Locations, and Types 82Lab 2-2: Determine Smallest Form Factor Suitable for a New PC 83Answers and Explanations to Review Questions 83Chapter 3BIOS 85Understanding BIOS, CMOS, and Firmware 86Configuring the System BIOS 89Accessing the BIOS Setup Program 89UEFI and Traditional BIOS 91BIOS Settings Overview 92Automatic Configuration of BIOS/CMOS Settings 95Main Menu 96Standard Features/Settings 96System Information 98Boot Settings and Boot Sequence 98

ContentsIntegrated Ports and Peripherals 100Power Management 104PnP/PCI Configurations 105Hardware Monitor 105Processor and Memory Configuration 106Virtualization Support 106Security Features 108Exiting the BIOS and Saving/Discarding Changes 109Power-On Self Test (POST) and Error Reporting110Beep Codes 111POST Error Messages 112POST Hex Codes 112BIOS Updates 114Flash BIOS Update 115BIOS Chip Replacement 118Review All the Key Topics 120Complete the Tables and Lists from Memory 120Define Key Terms 121Complete Hands-On Labs 121Lab 3-1: Disable Onboard Audio 121Lab 3-2: Check Fan and Voltage Levels 121Answer Review Questions 122Answers to Hands-On Labs 125Lab 3-1: Disable Onboard Audio 125Lab 3-2: Check Fan and Voltage Levels 125Answers and Explanations to Review Questions 125Chapter 4Power Supplies and System Cooling 129Power Supplies 130Power Supply Ratings 130Multivoltage Power Supplies 133Power Supply Form Factors and Connectors 135Removing and Replacing the Power Supply 139vii

viiiCompTIA A 220-801 and 220-802 Authorized Cert GuideTroubleshooting Power Supplies 141Overloaded Power Supplies—Symptoms and Solutions 141Loud Noises from the Power Supply 142Finding Solutions to a “Dead” System 143Overheating 144Fans Turn But System Doesn’t Start 149Testing Power Supplies and Other Devices with a Multimeter 149Avoiding Power Supply Hazards 154Power Protection Types 155Surge Suppressors 156Battery Backup Units (UPS and SPS) 158Buying the Correct-Sized Battery Backup System 159Power-Conditioning Devices 160System Cooling 161Northbridge and Southbridge Chips and Voltage Regulators 161Video Card Cooling 163Case Fans 163Thermal Compound 164Review All the Key Topics 167Complete the Tables and Lists from Memory 168Define Key Terms 168Complete Hands-On Lab 168Lab 4-1: Check Power Supply Voltages 168Lab 4-2: Check for Airflow Problems Inside the System 168Answer Review Questions 169Answers to Hands-On Lab 172Lab 4-1: Check Power Supply Voltages 172Lab 4-2: Check for Airflow Problems Inside the System 172Answers and Explanations to Review Questions 173Chapter 5RAM 177RAM Basics 178Memory Modules 180DRAM 180SRAM 181

ContentsSDRAM 181DDR SDRAM 181DDR2 SDRAM 182DDR3 SDRAM 182Rambus 183Operational Characteristics 184Comparison of Memory Modules 184Memory Module Width 185Parity and Non-Parity Memory 185ECC and Non-ECC Memory 187Registered and Unbuffered Memory 188Single-Sided and Double-Sided Memory 188Installing Memory Modules 189Troubleshooting Memory 192Verifying RAM Compatibility 192Overclocking Can Lead to System Instability 192Use Caution When Mismatching RAM Speeds 193“Parity Error - System Halted” Message 194RAM-Sizing Errors at Bootup 194Determining Whether Cache RAM Is the Source of a MemoryProblem 195Other Methods for RAM Testing 195Preventative Maintenance for Memory 196Review All the Key Topics 197Complete the Tables and Lists from Memory 197Define Key Terms 197Complete Hands-On Labs 198Lab 5-1: Select and Install the Correct RAM 198Answer Review Questions 199Answers to Hands-On Labs 202Lab 5-1: Select and Install the Correct RAM 202Answers and Explanations to Review Questions 203ix

xCompTIA A 220-801 and 220-802 Authorized Cert GuideChapter 6I/O and Input Ports and Devices 207Introduction to I/O Ports 208USB 209USB Port Types, Speeds, and Technical Details 209Adding USB Ports 213Troubleshooting USB Ports and Devices 215IEEE-1394 (FireWire) 218IEEE 1394 Ports and Cables 218IEEE 1394–Compatible Devices219Installing an IEEE 1394 Card 220Troubleshooting IEEE 1394 Ports and Devices 220SCSI 221Multiple Device Support with SCSI Host Adapters 222Jumper Block and DIP Switch Settings for Device IDs 223SCSI Standards 225SCSI Cables 225SCSI Signaling Types 227Daisy-Chaining SCSI Devices 227SCSI Host Adapter Card Installation 228SCSI Daisy-Chain Maximum Length 229SCSI Termination Methods 229COM (Serial) 231Serial Port Pinouts 233Types of Serial Cables 235How to Configure or Disable Serial Ports 236Serial Port Software Configuration 236Adding Additional Serial Ports 238Troubleshooting Serial Ports and Devices 238LPT (Parallel) 240Parallel Port Configuration 243Types of Parallel Cables 244How to Configure or Disable Parallel Ports 246Adding Parallel Ports 247Troubleshooting Parallel (LPT) Ports, Devices, and SwitchboxesTesting Parallel and Serial Ports 248247

ContentsPS/2 Mouse and Keyboard 249Audio 249Analog Audio Mini-Jacks 249SPDIF Digital Audio 250Mouse 251Mouse Hardware Resource Use 252Troubleshooting Mice and Pointing Devices 253Maintaining Mice and Pointing Devices 257Keyboard 258Troubleshooting Keyboards 258Maintaining Keyboards 259Bar Code Reader 259Touch Screen 260Touch Screen Interfacing to the Computer 261Installing a Touch Screen 262Troubleshooting a Touch Screen 262KVM Switch 263Review All the Key Topics 264Complete the Tables and Lists from Memory 265Define Key Terms 265Complete Hands-On Lab 265Lab 6-1: Check USB Device Power Usage 265Answer Review Questions 266Answers to Hands-On Lab 269Lab 6-1: Check USB Device Power Usage 269Answers and Explanations to Review Questions 269Chapter 7Video Displays and Video Cards 273Video Card Types 274Video Card Cooling 275Display Types 276CRT Monitor 277LCD Monitor 278LED Monitor 279xi

xiiCompTIA A 220-801 and 220-802 Authorized Cert GuidePlasma 279Data Projector 280OLED 281Installing a Video Card 282BIOS Configuration 282Video Card Physical and Driver Installation 282Video Connector Types 285VGA285DVI286HDMI 286DisplayPort 288Component/RGB 289S-Video 289Composite 289Installing a Monitor 289Video Display Settings 292Resolution 292Color Quality (Color Depth) 295Refresh Rates 296Troubleshooting Displays and Video Cards 297Troubleshooting Picture Quality Problems with OSD 298Using Advanced Display Properties for Troubleshooting 299Troubleshooting Video Hardware 300Preventative Maintenance for Displays 302Review All the Key Topics 304Complete the Tables and Lists from Memory 304Define Key Terms 305Complete Hands-On Labs 305Lab 7-1: Select the Appropriate Video Connectors 305Answer Review Questions 306Answers to Hands-On Labs 309Lab 7-1: Select the Appropriate Video Connectors 309Answers and Explanations to Review Questions 310

ContentsChapter 8Customized PCs and Multimedia Devices 313Customized PC Configurations 314Graphic/CAD/CAM Design Workstation314Audio/Video Editing Workstation 316Virtualization Workstation 318Gaming PC 319Home Theater PC 321Standard Thick Client 322Thin Client 323Home Server PC 323Evaluating Onboard Components 324General System Information 324Processor Information and Hardware-Assisted VirtualizationReadiness 326Installing and Configuring Multimedia Devices 327Webcams327Digital Cameras 328Sound Cards 329Installing a MIDI Enabled Device 332Microphone 333Video Capture and TV Tuner Cards 335Review All the Key Topics 337Complete the Tables and Lists from Memory 337Define Key Terms 338Complete Hands-On Labs 338Lab 8-1: Evaluate a Computer’s Suitability for Various Tasks 338Answer Review Questions 341Answers to Hands-On Labs 343Lab 8-1: Evaluate a Computer’s Suitability for Various Tasks 343Answers and Explanations to Review Questions 343Chapter 9Laptop and Notebook Computers 345Laptop Expansion Options 346PCMCIA (PC Card, CardBus) 346ExpressCard 350Memory 352xiii

xivCompTIA A 220-801 and 220-802 Authorized Cert GuideConnecting USB Drives to Your Laptop 352Flash Memory Cards 352Best Practices for Laptop Disassembly 353Hardware Device Replacement 354Removing and Replacing the Battery 355Replacing a Laptop Keyboard or Pointing Device 356Replacing Speakers 358Replacing a Laptop Hard Drive 358Performing a Memory Upgrade 360Replacing an Optical Drive 362Removing a Wireless Card (Mini-PCI or Mini-PCIe) 362Replacing the Screen 365Replacing the Fan, Heat Sink, and CPU 366Laptop Displays 368LCD Displays 369LED Displays 369OLED Displays 369Plasma Displays 370Display Resolutions and Viewing Quality Considerations 370Inverter and Backlight Components 372Wi-Fi Antenna Components 373Laptop Features 374Special Laptop Function Keys 374Working with Dual Displays 375Working with Port Replicators and Docking Stations 380Physically Securing a Laptop Computer 381Troubleshooting Laptop Problems 382Troubleshooting Display Problems 382Power Problems 384Keyboard Problems 385Network Problems 386Review All the Key Topics 387Complete the Tables and Lists from Memory 388Define Key Terms 388

ContentsComplete Hands-On Lab 388Lab 9-1: Locate Laptop Hard Drive and Memory 388Answer Review Questions 391Answers to Hands-On Lab 394Lab 9-1: Locate Laptop Hard Drive and Memory 394Answers and Explanations to Review Questions 394Chapter 10Mobile Devices 397Mobile Device Hardware 398Examples of Mobile Device Hardware 398Differences Between Tablets and Laptops 399Tablet and Laptop Similarities 400Upgrading and Replacing the Memory Card and the Battery in aSmartphone 400Hardware Wrap-Up 403Mobile Hardware Wrap-Up 404Mobile Operating Systems 404Android Versus iOS 404Where and How to Get Applications 408Adjusting the Display 408GPS and Geotracking 411Mobile OS Wrap-Up 412Mobile Network Connectivity 412GSM Cellular Connectivity 412Wi-Fi Network Connectivity 414Wi-Fi Troubleshooting 416Bluetooth Configuration 418Email Configurations 421Mobile Network Connectivity Wrap-Up 424Mobile Synchronization 424Synchronizing an Android Device to a PC 424Synchronizing an iPad2 to a PC 427Synchronizing Other Devices 428Mobile Sync Wrap-Up 429xv

xviCompTIA A 220-801 and 220-802 Authorized Cert GuideMobile Security 429Protecting Against Stolen or Lost Devices 429Protecting Against Compromised or Damaged Devices 432Turning Off Applications and Resets 435Security Wrap-Up 438Review All the Key Topics 439Define Key Terms 440Complete Hands-On Labs 440Lab 10-1: Troubleshoot a Mobile Wi-Fi Connection 440Lab 10-2: Secure a Mobile Device 440Answer Review Questions 441Answers to Hands-On Labs 444Lab 10-1: Troubleshoot a Mobile Wi-Fi Connection 444Lab 10-2: Secure a Mobile Device 444Answers and Explanations to Review Questions 445Chapter 11Printers 449Laser Printers 450Toner Cartridges 450The Laser Printing (EP) Process 451Color Laser Printing Differences 454Inkjet Printers 455Ink Cartridges 457Calibrating the Printer 458Thermal Printers 459Thermal Print Processes 459Thermal Printer Ribbons 460Thermal Printer Paper 460Impact Printers 461Impact Dot Matrix Print Process 462Impact Dot-Matrix Printheads 463Impact Printer Ribbons 463Impact Printer Paper and Media 464

ContentsPrinter Installation and Configuration 464Installing a Printer 465Installing RAM 467Upgrading Firmware 469Printer Interface Types 469Printer Sharing in Windows 471Configuring Options and Device Settings 472Printing a Test Page 476Working with the Print Spooler 477Printer Maintenance 478Laser Printer Maintenance 478Inkjet Printer Maintenance 480Thermal Printer Maintenance 482Impact Printer Maintenance 483Printer Troubleshooting 484Streaks and Smudges 484Faded Prints 485Ghost Images 486Toner Not Fused to Paper 486Creased Paper 487Paper Not Feeding 487Paper Jam 487No Connectivity 488Garbled Characters on Paper 488Vertical Lines on a Page 489Backed Up Print Queue 489Low Memory Errors 490Access Denied 492Printer Won’t Print 492Color Output in Wrong Print Colors 492Unable to Install Printer 492Error Codes 492Review All the Key Topics 494Define Key Terms 494xvii

xviiiCompTIA A 220-801 and 220-802 Authorized Cert GuideComplete the Hands-On Lab 495Lab 11-1: Solve Inkjet Printing Problems 495Answer Review Questions 495Answers to Hands-On Lab 498Lab 11-1: Solve Inkjet Printing Problems 498Answers and Explanations to Review Questions 498Chapter 12Storage Devices 501Drive Interface Types 502External and Internal Drive Interfaces 502PATA and SATA Performance Characteristics 504PATA Cabling, Configuration, and Setup 506SATA Configuration and Cabling 508SCSI IDs 510Hot-Swappable Drive Interfaces 511Hard Disk Drives 512Performance Factors for SATA and PATA Hard Disks 512Internal Hard Disk Drive Installation 513eSATA Drives 519SSD and Flash Drives 520Flash Memory Cards 520Flash Card Reader 523USB Flash Memory Drives 524SSD 525RAID 526Creating an ATA or SATA RAID Array 528Optical Drives 531Comparing CD, DVD, and Blu-ray Drives and Media 531DVD Media Types 532Blu-ray Media Types 532Drive Speed Ratings 533Recording Files to Optical Discs 533Floppy Drives 538Floppy Drive Capacities 538Floppy Disk Drive Hardware Configuration 539Maintaining Floppy Disks, Data, and Drives 540

ContentsTape Drives 541Troubleshooting Hard Drives, SSDs, and RAID Arrays 542Read/Write Failures 543Slow Performance 543Noises Coming from Hard Disk 546Boot Failure 547Drive Not Recognized 548Operating System Not Found 548RAID Not Found 549RAID Failure 549Disk Surface and Data Recovery Tools 550Review All the Key Topics 553Complete the Tables and Lists from Memory 553Define Key Terms 554Complete Hands-On Lab 554Lab 12-1: Configure SATA Ports 554Lab 12-2: Configure PATA Jumper Blocks 555Answer Review Questions 557Answers to Hands-On Lab 560Lab 12-1: Configure SATA Ports 560Lab 12-2: Configure PATA Jumper Blocks 560Answers and Explanations to Review Questions 561Chapter 13Installing and Upgrading Windows 565Installing Windows 566Minimum and Recommended Hardware Requirements 566Boot Methods 570Types of Installation 570Time/Date/Language/Region Settings 579Partitioning 580File System Types and Formatting 586Loading Alternative Third-Party Disk Drivers 588Workgroup Versus Domain Setup 589Transferring User Data 589Windows Easy Transfer 590User State Migration Tool 591xix

xxCompTIA A 220-801 and 220-802 Authorized Cert GuideUpdating Windows 592Using Windows Update and Microsoft Update 592Installing Service Packs Manually 593Setting Up Recovery Partitions and Discs 595Review All the Key Topics 597Complete the Tables and Lists from Memory 597Define Key Terms 598Complete Hands-On Lab 598Lab 13-1: Selecting Installation Options for Windows 7 598Answer Review Questions 599Answers to Hands-On Lab 602Lab 13-1: Selecting Installation Options for Windows 7 602Answers and Explanations to Review Questions 602Chapter 14Using and Managing Windows 605Windows Versions and Editions 606Windows XP Family607Windows Vista FamilyWindows 7 Family607608Windows Features 609Windows Desktop (Aero, Aero Glass, Sidebar, Gadgets) 610Shadow Copy612ReadyBoost 613Compatibility Mode 615Windows XP Mode 618Administrative Tools618File Structure and Paths 620Command-Line Tools 621Starting a Command-Prompt Session with CMD.EXE 621Internal Commands Overview 622Using Wildcards to Specify a Range of Files 624COPY 624XCOPY 625ROBOCOPY.EXE627MKDIR, CHDIR, and RMDIR (MD, CD, and RD) 628

ContentsFormat/Format.exe 629Diskpart 633DEL 635Tasklist636Taskkill638Administrative Features 640Computer Management (MMC) 640Performance Monitor/System Monitor 641Services (Services.msc) 642Task Scheduler645Print Management 648Task Manager 648Disk Management 650Mount Points and Mounting a Drive 655Windows File Systems 657Run-Line Utilities 661Notepad 662Windows Explorer 662MSInfo32 (System Information) 670DXDiag (DirectX Diagnostics) 672Control Panel 673Starting Control Panel 674Category and Icon Views 674Shortcuts to Control Panel Functions 678Display Options 678Folder Options 679System 680Power Options 682Add/Remove Programs (Windows XP) 686Programs and Features (Windows Vista/7) 687Automatic Updates (Windows XP) 688Tablet PC Settings (Windows Vista/7) 688Pen and Input Devices (Windows Vista) 689Problem Reports and Solutions (Windows Vista, and 7) 689xxi

xxiiCompTIA A 220-801 and 220-802 Authorized Cert GuideDevices and Printers 689HomeGroup (Windows 7) 690Action Center (Windows 7) 691Client-Side Virtualization 692Host/Guest Virtualization 692Hypervisor 692Features and Benefits of Virtual Machines 693Resource Requirements 693Emulator Requirements 693Security Requirements 694Review All the Key Topics 695Complete the Tables and Lists from Memory 695Define Key Terms 696Complete Hands-On Lab 696Lab 14-1: Open and Use the Command Prompt 696Lab 14-2: Using Microsoft Management Console 696Answer Review Questions 697Answers to Hands-On Lab 700Lab 14-1: Open and Use the Command Prompt 700Lab 14-2: Using Microsoft Management Console 701Answers and Explanations to Review Questions 701Chapter 15Troubleshooting and Maintaining Windows 705STOP (Blue Screen of Death) Errors 706Causes of BSOD Errors 707Researching Causes and Solutions 707BSOD and Spontaneous Shutdown and Restart 708Boot Failures 709Windows 7/Vista Boot Errors 710Windows XP Boot Errors 712Missing Operating System Error 713Missing Graphical InterfaceGUI Fails to Load 714Other Windows Problems 714Improper Shutdowns 714Device Fails to Start 715714

ContentsMissing DLL Message 715Services Fail to Start 715Compatibility Error 716Slow System Performance 716Boots to Safe Mode 717File Fails to Open 717Windows Diagnostic and Repair Tools 717Using System File Checker (SFC) 719Using MSConfig720Using REGSVR32 721Using REGEDIT 722Using Event Viewer 724Using Safe Mode and Other Advanced Boot Options 726Using Device Manager 729Using Windows XP Recovery Console 735Using Automated System Recovery to Restore a Windows XPInstallation 739Using Windows Recovery Environment 741Maintaining Windows 744Using Windows Backup for XP 745Using Windows Vista’s Backup and Restore Center 748Using Windows 7’s Backup and Restore 750CHKDSK.EXE 754Defrag 755System Restore and Restore Points 756Firmware Updates 760Review All the Key Topics 761Complete the Tables and Lists from Memory 761Define Key Terms 762Complete Hands-On Lab 762Lab 15-1: Check System Protection Settings 762Lab 15-2: Using Event Viewer 762Lab 15-3: Using Device Manager 762Answer Review Questions 763xxiii

xxivCompTIA A 220-801 and 220-802 Authorized Cert GuideAnswers to Hands-On Lab 765Lab 15-1: Check System Protection Settings 765Lab 15-2: Using Event Viewer 765Lab 15-3: Using Device Manager 766Answers to Review Questions 766Chapter 16Networking 769Network Models 770Client/Server Versus Peer-to-Peer 770LANs and WANs 773Network Topologies 774Network Devices 775Internet Connectivity Technologies 778Modems and Dial-Up Internet Connectivity 778ISDN Internet Connectivity 784Broadband Internet Services (DSL, Cable, Satellite) 786Fiber-Optic 790Cellular 790WiMAX791LANs and Internet Connectivity 791TCP/IP 792HTTP/HTTPS 792SSL 792TLS 792HTML 793FTP 794Telnet794SSH 795DNS 795DHCP 796Email 797Remote Desktop 798SNMP 798SMB 799LDAP 799

ContentsTCP and UDP Ports 799Cable and Connector Types 801UTP and STP Cabling 801Fiber-Optic Cabling 805Coaxial Cabling 805Plenum and PVC 806Connector Types 806Networking Tools 808Network Types 809Wireless Network Standards 811Wireless Ethernet 811Bluetooth 812Infrared 813Cellular 813VoIP813Switches and Hubs 814Building a Small Office/Home Office Network 815Installing Network Interface Cards 815Configuring Network Interface Cards 816TCP/IPv4 Configuration 819IPv6 Addressing 827Setting Up Shared Resources 829Administrative Shares 834Setting Up the Network Client 834Using Shared Resources 836Browser Installation and Configuration 841Multifunction Network Device Configurations 845Using Network Command-Line Tools 846Using the Net Command 847Using Ping 847Using Tracert 848Using NSLookup 849Using Ipconfig 849Using Netstat 849Using NBTSTAT 850xxv

xxviCompTIA A 220-801 and 220-802 Authorized Cert GuideNetwork and Internet Troubleshooting 851Can’t Access Network Resources 851Significant Drops in Network Performance 851Unattended PC Drops Its Network Connection 852All Users Lose Network Connection 853Users Can Access Some Shared Resources But Not Others 853Can’t Print to a Network Printer 853Ping and Tracert Work, But User Can’t Display Web Pages withBrowser 854Overview of Creating a Small Office/Home Office Network 854Review All the Key Topics 856Complete the Tables and Lists from Memory 857Define Key Terms 857Complete Hands-On Labs 857Lab 16-1: Select the Appropriate Type of Cable 858Lab 16-2: Select the Appropriate IP Networks 858Lab 16-3: Select the Network Option and Appropriate Ports 859Lab 16-4: Install an Appropriate Wireless Network 859Answer Review Questions 859Answers to Hands-On Labs 864Lab 16-1: Select the Appropriate Type of Cable 864Lab 16-2: Select the Appropriate IP Networks 864Lab 16-3: Select the Network Option and Appropriate Ports 864Lab 16-4: Install an Appropriate Wireless Network 865Answers and Explanations to Review Questions 865Chapter 17Security 869Security Fundamentals 870Secure and Insecure File Systems 870Authentication Technologies 871Protection Against Viruses and Malware 872Software Firewalls 873Data and Physical Security 873Data Access Local Security Policy 874Encryption Technologies 875

ContentsBackups 877Data Migration 877Data and Data Remnant Removal 877Password Management 878Locking a Workstation 878Incident Reporting 879Social Engineering 880Physical Security 881Securing Wireless Networks 883WEP and WPA Encryption 883Access Point Configuration for Maximum Security 885Securing Wired Networks 891Access Control Purposes and Principles 892Operating System Access Control 892Data Destruction/Disposal Techniques 898Installing, Configuring, and Troubleshooting Security Features 899BIOS Security Features 899Software Firewalls 900Configuring Exceptions 902Wireless Network Configuration 904Unused Wireless Connections 910File Systems (Converting from FAT32 to NTFS) 912Malicious Software Protection 913Review All the Key Topics 919Define Key Terms 919Complete Hands-On Labs 920Lab 17-1: Hard Drive Security and Disposal920Lab 17-2: Secure a Customer’s Wireless Network 920Answer Review Questions 921Answers to Hands-On Labs 924Lab 17-1: Hard Drive Security and Disposal 924Lab 17-2: Secure a Customer’s Wireless Network 924Answers and Explanations to Review Questions 925xxvii

xxviiiCompTIA A 220-801 and 220-802 Authorized Cert GuideChapter 18Operational Procedures and Communications Methods 929Computer Safety 930ESD 930Electrical Safety 932Physical Safety 934Environmental Controls 935Temperature, Humidity, and Air 936Material Safety Data Sheet (MSDS) 936Incident Response and Documentation 938First Response 938Documentation 938Chain of Custody 939Communication Methods and Professionalism 939How to Interact with to Customers 939How to Treat Customers’ Property 941Review All the Key Topics 942Complete the Tables and Lists from Memory 942Define Key Terms 942Complete Hands-On Labs 942Lab 18-1: Select the Appropriate Power Protection Equipment 942Answer Review Questions 943Answers to Hands-On Labs 947Lab 18-1: Select the Appropriate Power Protection Equipment 947Answers and Explanations to Review Questions 948Glossary953Index 976On the CDAPPENDIX AMemory TablesAPPENDIX BMemory Tables Answer Key

About the AuthorsAbout the AuthorsMark Edward Soper has been working with PCs since the days of the IBMPC/XT and AT as a salesperson, technology advisor, consultant, experimenter, andtechnology writer and content creator. Since 1992, he has taught thousands of students across the country how to repair, manage, and troubleshoot the hardware,software, operating systems, and firmware inside their PCs. He has created manyversions of his experimental computer known as “FrankenPC” for this and previousbooks. Mark earned his CompTIA A Certification in 1999 and has written fourother A Certification books covering previous and current versions of the A Certification exams for Pearson imprints.Mark has contributed to many editions of Upgradi

iv CompTIA A 220-801 and 220-802 Authorized Cert Guide Table of Contents Introduction xxxvii Chapter 1 Technician Essentials and PC Anatomy 101 3 The Essential Parts of Any Computer 4 Front and Rear Views of a Desktop PC 5 All Around a Notebook (Laptop) Computer 7 Quick Reference to PC Components 8 Hardware, Software, and Firmware 9 Hardware 10File Size: 1MBPage Count: 174Explore furtherComptia A Free Study Guide Pdf - XpCoursewww.xpcourse.comCompTIA A 220-1001 Exam Official Study Guide PDF Editioncertificationking.comCertification Study Guides and Books CompTIA IT .www.comptia.orgCompTIA A 220-901www.comptia.jpComptia security SY0-501 – Study Guidewww.cybrary.itRecommended to you b

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