Home > Store > Certification > CompTIA > A+

CompTIA A+ 220-901 and 220-902 Cert Guide, 4th Edition

Register your product to gain access to bonus material or receive a coupon.

CompTIA A+ 220-901 and 220-902 Cert Guide, 4th Edition

Best Value Purchase

Book + eBook Bundle

  • Your Price: $68.99
  • List Price: $119.98
  • About Premium Edition eBooks
  • The Premium Edition eBook and Practice Test is a digital-only certification preparation product combining an eBook with enhanced Pearson IT Certification Practice Tests. Click on the "Premium Edition" tab (on the left side of this page) to learn more about this product.

    Your purchase will deliver:

    • Link to download the enhanced Pearson IT Certification Practice Test exam engine
    • Access code for question database
    • eBook in the following formats, accessible from your Account page after purchase:

    ePub EPUB The open industry format known for its reflowable content and usability on supported mobile devices.

    MOBI MOBI The eBook format compatible with the Amazon Kindle and Amazon Kindle applications.

    Adobe Reader PDF The popular standard, used most often with the free Adobe® Reader® software.

    The eBooks require no passwords or activation to read. We customize your eBook by discreetly watermarking it with your name, making it uniquely yours.

    Watermarked eBook FAQ

    eBook Download Instructions

More Purchase Options

Book

  • Your Price: $47.99
  • List Price: $59.99
  • Usually ships in 24 hours.

Premium Edition eBook

  • Your Price: $47.99
  • List Price: $59.99
  • About Premium Edition eBooks
  • The Premium Edition eBook and Practice Test is a digital-only certification preparation product combining an eBook with enhanced Pearson IT Certification Practice Tests. Click on the "Premium Edition" tab (on the left side of this page) to learn more about this product.

    Your purchase will deliver:

    • Link to download the enhanced Pearson IT Certification Practice Test exam engine
    • Access code for question database
    • eBook in the following formats, accessible from your Account page after purchase:

    ePub EPUB The open industry format known for its reflowable content and usability on supported mobile devices.

    MOBI MOBI The eBook format compatible with the Amazon Kindle and Amazon Kindle applications.

    Adobe Reader PDF The popular standard, used most often with the free Adobe® Reader® software.

    The eBooks require no passwords or activation to read. We customize your eBook by discreetly watermarking it with your name, making it uniquely yours.

    Watermarked eBook FAQ

    eBook Download Instructions

About

Features

• Comprehensive A+ preparation for professionals, fully revised for the 2015 revisions to the A+ exams
• Master all the A+ exam topics in this comprehensive learning and preparation guide, fully updated for the new 2015 objectives
• Gain a real-world understanding of how to apply your knowledge, and use the book as a workplace reference guide
• Learn from the all-time best-selling author on the topic, Scott Mueller, whose Upgrading and Repairing PCs series of books has sold more than 2 million copies

Description

  • Copyright 2017
  • Dimensions: 7-3/8" x 9-1/8"
  • Pages: 1360
  • Edition: 4th
  • Book
  • ISBN-10: 0-7897-5652-8
  • ISBN-13: 978-0-7897-5652-7

In this best-of-breed study guide, a leading expert helps you master all the topics you need to know to succeed on your CompTIA 220-901 and 902 exams and move into a successful career as an IT technician. The concise, focused approach explains every exam objective from a real-world perspective, helping you quickly identify weaknesses and retain everything you need to know.

Every feature of this book is designed to support both efficient exam preparation and long-term mastery:

  • Includes coverage of the new performance-based questions
  • Opening Topics Lists and Exam Objectives Summary define the topics you’ll need to learn in each chapter, including a list of the official exam objectives covered in that chapter
  • Key Topics call attention to the information that’s most crucial to know for the exam
  • Exam Preparation Tasks include reviewing key topics, completing memory tables, defining key terms, working through scenarios, and answering review questions–all designed to help you go beyond simple facts to make sure you master concepts crucial to both passing the exam and enhancing your career
  • Key Terms defined in a complete glossary explain all the field’s essential terminology

The companion website contains access to the powerful Pearson IT Certification

Practice Test Engine and two complete exams with access to a large library of

exam-realistic questions.

This study guide helps you master all the topics on the new A+ 901 and 902 exams, including

  • Motherboards, processors, RAM, and BIOS
  • Power supplies and system cooling
  • I/O, input ports, and devices
  • Video displays and video cards
  • Customized PCs
  • Laptops, mobile and wearable devices
  • Printers
  • Storage devices including SSDs
  • Installing, using, and troubleshooting Windows, Linux, and OS X
  • Virtualization
  • Networking
  • Security
  • Operational procedures and communications methods
    

Premium Edition

The exciting new CompTIA A+ 220-901 and 220-902 Cert Guide Premium Edition and Practice Tests, is a digital-only certification preparation product combining an eBook with enhanced Pearson IT Certification Practice Test. The Premium Edition eBook and Practice Test contains the following items:

--The CompTIA A+ 220-901 and 220-902 Cert Guide Premium Edition and Practice Test including four full practice exams and enhanced practice test features
--PDF and EPUB formats of the CompTIA A+ 220-901 and 220-902 Cert Guide  from Pearson IT Certification, which are accessible via your PC, tablet, and smartphone

About the Premium Edition Practice Test

This Premium Edition contains an enhanced version of the Pearson IT Certification Practice Test (PCPT) software with four full practice exams. In addition, it contains all the chapter-opening assessment questions from the book. This integrated learning package

--Enables you to focus on individual topic areas or take complete, timed exams
--Includes direct links from each question to detailed tutorials to help you understand the concepts behind the questions
--Provides unique sets of exam-realistic practice questions
--Tracks your performance and provides feedback on a module-by-module basis, laying out a complete assessment of your knowledge to help you focus your study where it is needed most

Pearson IT Certification Practice Test minimum system requirements:
Windows Vista (SP2), Windows 7, or Windows 8.1 (desktop UI only); Microsoft .NET Framework 4.5 Client; Pentium class 1GHz processor (or equivalent); 512MB RAM; 650MB hard disk space plus 50MB for each exam download; access to the Internet to register and download exam databases

About the Premium Edition eBook
The CompTIA A+ Cert Guide is a comprehensive guide to the new A+ exams from CompTIA. This book combines the learning and reference tools of the all-time best-selling PC repair book with comprehensive learning on all the A+ exams. It has been fully upated for the new 2015 objectives just added to the A+ exams. This book will help any A+ candidate ace the new exams with guidance from three of the most talented authors in the PC hardware industry. They not only show the reader what they need to pass the tests, but also what they need to apply their learning in the real world. The book is rich with learning and exam preparation features. Hands-on lab exercises, real-world test preparation advice, and the CD accompanying the book allow for at-home practice using electronic test engines, lab exercises, and study notes. Each chapter takes a ground-up approach - starting with the essentials and gradually building to larger, more complex concepts. Beginners will be at ease with this book. Loaded with informative illustrations, photos and screen captures that help readers follow along, the book also includes a handy objectives index that maps each test objective to the section of the book in which that objective is covered. This invaluable tool will help readers be certain that they are ready for test day!

Sample Content

Sample Pages

Download the sample pages (includes Chapter 2 and the Index.)

Table of Contents


    Introduction lvii


Chapter 1 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


Chapter 2 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


        BIOS Settings Overview 34


        Automatic Configuration of BIOS/CMOS Settings 37


        Main Menu 38


        Main/Standard Features/Settings 39


        Discovering System Information 39


        Boot Settings and Boot Sequence 40


        Integrated Ports and Peripherals 42


        Power Management 46


        Monitoring 47


        Processor and Memory Configuration 48


        Virtualization Support 48


        Security Features 50


        Exiting BIOS and Saving/Discarding Changes 51


    Flash Upgrade BIOS 53


        Flash BIOS Update 54


    Using BIOS/UEFI Diagnostics 57


    Exam Preparation Tasks 57


    Review All the Key Topics 57


    Complete the Tables and Lists from Memory 58


    Define Key Terms 58


    Complete Hands-On Labs 59


        Lab 2-1: Disable Onboard Audio 59


        Lab 2-2: Check Fan and Voltage Levels 59


    Answer Review Questions 60


    Answers and Explanations to Hands-On Labs 63


        Lab 2-1: Disable Onboard Audio 63


        Lab 2-2: Check Fan and Voltage Levels 64


    Answers and Explanations to Review Questions 64


Chapter 3 Motherboard Components 67


    Foundation Topics 68


    ATX, ITX, and Smaller Sizes 68


        ATX and microATX 68


        ITX Family 70


        Comparing ATX, MicroATX, and Mini-ITX Motherboards 72


    Expansion Slot Types 72


        PCI Slots 72


        PCI-X Slots 73


        PCIe (PCI Express) Slots 73


    RAM Sockets 76


    CPU Sockets 77


    Chipsets 77


    CMOS Battery 79


    Power Connectors 80


    Fan Connectors 81


    Front and Top Panel Connectors 82


    Bus Speeds 84


    Installing Motherboards 85


        Step-by-Step Motherboard Removal 85


        Preparing the Motherboard for Installation 88


        Step-by-Step Motherboard Installation 89


    Exam Preparation Tasks 90


    Review All the Key Topics 90


    Complete the Tables and Lists from Memory 91


    Define Key Terms 91


    Complete Hands-On Labs 91


        Lab 3-1: Determine Available USB Ports, Locations, and Types 92


        Lab 3-2: Determine Smallest Form Factor Suitable for a New PC 92


    Answer Review Questions 92


    Answers and Explanations to Hands-On Labs 97


        Lab 3-1: Determine Available USB Ports, Locations, and Types 97


        Lab 3-2: Determine Smallest Form Factor Suitable for a New PC 97


    Answers and Explanations to Review Questions 97


Chapter 4 RAM Types and Features 99


    Foundation Topics 100


    Memory Upgrade Considerations 100


    RAM Types 101


        SRAM 102


        SDRAM 102


        DDR SDRAM 102


        DDR2 SDRAM 102


        DDR3 SDRAM 103


        Parity vs Non-Parity 105


        ECC vs non-ECC Memory 106


        Buffered (Registered) vs Unbuffered 107


    SO-DIMM vs DIMM 107


    RAM Configurations 109


        Single-Channel 109


        Dual-Channel 109


        Triple-Channel 110


        Quad-Channel 111


    Single-Sided vs Double-Sided 111


    RAM Compatibility 111


    Installing Memory 112


        Preparations for Installing DIMM Memory 112


    Exam Preparation Tasks 116


    Review All the Key Topics 116


    Complete the Tables and Lists from Memory 116


    Define Key Terms 116


    Complete Hands-On Lab 117


        Lab 4-1: Select and Install the Correct RAM 117


    Answer Review Questions 118


    Answers and Explanations to Hands-On Labs 121


        Lab 4-1: Select and Install the Correct RAM 121


    Answers and Explanations to Review Questions 122


Chapter 5 PC Expansion Cards 125


    Foundation Topics 126


    Expansion Card and Slot Overview 126


    Installing Sound Cards 127


        Installing a USB Audio Device 128


        Configuring a Sound Card with Windows 128


        Configuring a Sound Card with OS X 129


        Configuring a Sound Card with Linux 129


    Installing Video Cards 129


        BIOS Configuration 130


        Removing Drivers for an Old Video Card or Onboard Video 131


        Removing the Old Video Card 131


        Video Card Physical Installation 134


        Driver Installation 134


    Installing Network Cards 135


    Installing USB Cards 136


    Installing FireWire Cards 137


    Installing Thunderbolt Cards 138


    Installing Storage Cards 140


    Installing Modem Cards 140


    Installing Wireless/Cellular Cards 142


    Installing TV Tuner Cards 145


    Installing Video Capture Cards 146


    Installing Riser Cards 147


        Speakers 148


        Display Devices 148


    Exam Preparation Tasks 151


    Review All the Key Topics 151


    Define Key Terms 152


    Complete Hands-On Labs 152


        Lab 5-1: Checking a System for Required I/O Ports 152


        Lab 5-2: Checking a System for Required Expansion Slots 152


    Answer Review Questions 153


    Answers and Explanations to Hands-On Labs 157


        Lab 5-1: Checking a System for Required I/O Ports 157


        Lab 5-2: Checking a System for Required Expansion Slots 158


    Answers and Explanations to Review Questions 159


Chapter 6 Storage Devices 161


    Foundation Topics 162


    Optical Drive Features and Capacities 162


        CD-ROM / CD-RW 162


        DVD Recordable and Rewriteable Standards 163


        Blu-ray (BD) 164


        Drive Speed Ratings 164


        Recording Files to Optical Discs 165


    Magnetic Hard Disk Drives 169


        Form Factors 170


        Spin Rate 170


        Internal Hard Disk Drive, SSD, and Optical Drive Installation 172


        Installing an eSATA Hard Disk 177


    Flash Drives 179


        Flash Card Reader 181


    Solid State Drives 184


        SSD 184


        Hybrid 186


        eMMC 186


    Hot-Swappable Drives 187


        Safely Ejecting a Drive in Windows 187


        Safely Ejecting a USB Drive in OS X 188


        Safely Ejecting a USB Drive in Linux 188


    RAID Types 189


        Creating an SATA RAID Array 190


    Tape Drive 194


        Tape Drive Capacities 195


    Exam Preparation Tasks 195


    Review All the Key Topics 195


    Complete the Tables and Lists from Memory 196


    Define Key Terms 196


    Complete Hands-On Labs 196


        Lab 6-1: Researching Optical Drives 196


        Lab 6-2: Checking RAID Support and Creating a RAID Array 197


    Answer Review Questions 197


    Answers and Explanations to Hands-On Labs 200


        Lab 6-1: Researching Optical Drives 200


        Lab 6-2: Checking RAID Support and Creating a RAID Array 200


    Answers and Explanations to Review Questions 202


Chapter 7 CPUs 205


    Foundation Topics 206


    Processor Characteristics 206


        Speeds 206


        Cores 208


        Cache Size/Type 209


        Hyper-Threading (HT Technology) 210


        Virtualization Support 210


        Architecture (32-bit vs. 64-bit) 211


        Integrated GPU 211


        Execute Disable Bit (EDB) 214


    Socket Types 215


        Intel 215


    AMD 224


    Cooling 231


        Heat Sink 231


        Fans 231


        Phase-Change Material/Thermal Paste 232


        Liquid-Based Cooling 234


        Fanless/Passive Heat Sink 235


    CPU Installation 236


        Intel Processors 237


        AMD Processors 240


    Exam Preparation Tasks 243


    Review All the Key Topics 243


    Complete the Tables and Lists from Memory 244


    Define Key Terms 244


    Complete Hands-On Labs 244


        Lab 7-1: Installed CPUs and Upgrade Options 244


        Lab 7-2: Shopping for a CPU Upgrade 245


    Answer Review Questions 245


    Answers and Explanations for Hands-On Labs 248


        Lab 7-1: Installed CPUs and Upgrade Options 248


        Lab 7-2: Lab 7-2 Shopping for a CPU Upgrade 249


    Answers and Explanations to Review Questions 250


Chapter 8 Ports and Interfaces 253


    Foundation Topics 254


    Rear Panel Port Clusters 254


    USB 255


        USB 1.1 and 2.0 258


        USB 3.0 260


        USB 3.1 260


        USB Adapters 262


    FireWire (IEEE 1394) 265


        FireWire 400 266


        FireWire 800 266


    SATA and eSATA 267


        SATA Configuration and Cabling 269


    Thunderbolt 271


    Video 273


        VGA 274


        DVI 274


        HDMI 276


        DisplayPort 278


        RCA 279


        S-Video (Mini-DIN 4) 279


        Mini-DIN 6 280


        Component 280


        BNC Coaxial 281


        Video Adapters and Converters 282


    Audio 284


        Analog 284


        SPDIF (Digital) 286


    PS/2 287


        PS/2 Keyboard Port 287


        PS/2 Mouse Port 287


        PS/2 Combo Port 288


    Exam Preparation Tasks 288


    Review All the Key Topics 288


    Complete the Tables and Lists from Memory 288


    Define Key Terms 289


    Complete Hands-On Labs 289


        Lab 8-1: Evaluating Port Types and Performance 289


        Lab 8-2: Display Connections 289


    Answer Review Questions 290


    Answers and Explanations for Hands-On Labs 296


        Lab 8-1: Evaluating Port Types and Performance 296


        Lab 8-2: Display Connections 297


    Answers and Explanations to Review Questions 297


Chapter 9 Designing and Building Custom PC Configurations 301


    Foundation Topics 302


    Custom PC Configurations 302


        Graphic / CAD / CAM Design Workstation 302


        Audio/Video Editing Workstation 304


        Virtualization Workstation 306


        Gaming PC 307


        Home Theater PC 310


        Standard Thick Client 311


        Thin Client 312


        Home Server PC 313


    Evaluating Onboard Components 314


        General System Information 314


        Processor Information and Hardware-Assisted Virtualization Readiness 316


    Installing Power Supplies 317


        Power Supply Ratings 318


        Multivoltage Power Supplies 322


        Power Supply Form Factors and Connectors 323


        Removing and Replacing the Power Supply 328


    Installing and Configuring Input, Output, and I/O Devices 332


        Mouse 333


        Keyboard 335


        Scanner 336


        Barcode Reader 336


        Biometric Devices 337


        Game Pads and Joysticks 337


        Digitizer 338


        Motion Sensor 338


        Touch Pads 339


        Smart Card Readers 339


        Digital Cameras 339


        Microphone 341


    Webcam 342


        Camcorder 343


        Speakers 344


        Touch Screen 345


        KVM 346


        Smart TV 346


        Set-Top Box 347


        Installing a MIDI-Enabled Device 348


    Display Types 349


        LCD Display Types 349


        Plasma 350


        Data Projector 350


        OLED 352


    Video Display Settings and Features 352


        Resolution 352


        Refresh Rates and Frame Rates 356


        Analog versus Digital Displays 357


        Brightness/Lumens 358


        Privacy and Antiglare Filters 358


    Exam Preparation Tasks 358


    Review All the Key Topics 358


    Define Key Terms 359


    Complete the Tables and Lists from Memory 360


    Complete Hands-On Labs 360


        Lab 9-1: Investigating a Power Supply 360


        Lab 9-2: Adding I/O Devices 361


    Answer Review Questions 361


    Answers and Explanations for Hands-On Labs 365


        Lab 9-1: Investigating a Power Supply 365


        Lab 9-2: Adding I/O Devices 365


    Answers and Explanations to Review Questions 365


Chapter 10 Using, Maintaining, and Installing Printers and Multifunction Devices 369


    Foundation Topics 370


    Laser Printers 370


        Laser Components 370


        Toner Cartridges 370


        Laser Imaging Process 371


        Color Laser Printing Differences 374


        Laser Media Types 375


        Laser Maintenance 375


    Inkjet Printers 378


        Inkjet Components 378


        Inkjet Printing Process 379


        Inkjet Media Types 381


        Inkjet Maintenance 381


    Thermal Printers 385


        Thermal Feed Assembly and Heating Element 385


        Thermal Printer Ribbons 385


        Thermal Print Process 386


        Thermal Paper and Media 387


        Thermal Maintenance 388


    Impact Printers 388


        Impact Components and Print Process 389


        Impact Dot-Matrix Print Heads 390


        Impact Printer Ribbons 390


        Impact Printer Paper Types 391


        Impact Printer Maintenance 391


    Virtual Printers 392


        Print to File 392


        Print to PDF or XPS 393


        Print to Image 394


    Installing Your Printer or Multifunction Device 395


        Printer/Multifunction Device Installation for Windows 395


        Printer/Multifunction Device Installation for OS X 396


        Printer/Multifunction Device Installation for Linux 398


        Printer/Multifunction Device Installation for iOS and Android 400


    Configuring Your Printer or Multifunction Device 401


        Configuring Printer Settings in Windows 401


        Configuring Printer Settings in OS X 403


        Configuring Printer Settings in Linux 405


        Configuring Printer Settings in iOS and Android 406


    Device Sharing Options 407


        Integrated Ethernet Print/Multifunction Device Sharing 408


        Adding Ethernet Print/Multifunction Device Sharing 409


    Wireless Device Sharing Options 410


        Bluetooth 410


        802.11(a,b,g,n,ac) 410


        Infrastructure vs. Ad Hoc 411


    Cloud and Remote Printing 412


        Using Public and Shared Devices 413


        Using Apps 413


    Configuring Your Operating System to Share a Printer or Device 413


        Windows Print Sharing 414


        TCP/IP 414


        Bonjour 414


        AirPrint 415


    Maintaining Data Privacy 415


        Using User Authentication 415


        Using Hard Drive Caching 416


    Exam Preparation Tasks 416


    Review All the Key Topics 416


    Complete the Tables and Lists from Memory 416


    Define Key Terms 417


    Complete Hands-On Labs 417


        Lab 10-1: Printer Maintenance 417


        Lab 10-2: Printer Properties and Sharing 417


    Answer Review Questions 418


    Answers and Explanations for Hands-On Labs 421


        Lab 10-1: Printer Maintenance 421


        Lab 10-2: Printer Properties and Sharing 421


    Answers and Explanations to Review Questions 421


Chapter 11 Networking 425


    Foundation Topics 426


    Network Cable and Connector Types and Characteristics 426


        Fiber 426


        Twisted-Pair 427


        Coaxial 432


        Plenum and PVC 435


    TCP/IP 436


        IPv4 436


        IPv6 441


        Dynamic versus Static IP Addresses 444


    TCP and UDP Ports, Protocols, and Purposes 451


        FTP 452


        SSH 453


        Telnet 453


        SMTP 454


        DNS 454


        HTTP/HTTPS 454


        POP3 454


        IMAP 455


        SMB/CIFS 455


        AFP 456


        Remote Desktop Protocol 456


        SSL 456


        TLS 456


        HTML 456


        DHCP 457


        SNMP 458


        LDAP 458


    WiFi (Wi-Fi) Network and Encryption Standards 458


        Wi-Fi Standards 458


        Wi-Fi Encryption Types 461


    Configure SOHO Wired or Wireless Router 463


        Channels 463


        NAT 464


        Port Forwarding, Port Triggering, and DNAT 465


        DMZ 466


        DHCP 467


        Basic QoS 468


        UPnP 468


        Firmware 468


    Internet Connection Types 469


        Cable 469


        DSL 470


        Dial-up 474


        Fiber 477


        Satellite 478


        ISDN 479


        Line of Sight Wireless 480


    Network Types 480


        LAN 480


        WAN 481


        MAN 481


        PAN 481


    Network Architecture Devices 481


        Hub 481


        Switch 482


        Router 483


        Wireless Access Point 483


        Bridge 484


        Modem 484


        Firewall 484


        Patch Panel 484


        Repeaters/Extenders 485


        Power Over Ethernet 487


    Using Networking Tools 487


        Cutting Tool 487


        Cable Stripper 488


        Crimper 488


        Punchdown Tool 489


        Multimeter 489


        Tone Generator and Probe 489


        Cable Tester 490


        Loopback Plug 491


        Wi-Fi Analyzer 491


    Exam Preparation Tasks 492


    Review All the Key Topics 492


    Complete the Tables and Lists from Memory 492


    Define Key Terms 492


    Complete Hands-On Labs 493


        Lab 11-1: Exploring Wired and Wireless Network Hardware 493


        Lab 11-2: Exploring TCP/IP and Wi-Fi Configuration 493


    Answer Review Questions 494


    Answers and Explanations for Hands-On Labs 501


        Lab 11-1: Exploring Wired and Wireless Network Hardware 501


        Lab 11-2: Exploring TCP/IP and Wi-Fi Configuration 501


    Answers and Explanations to Review Questions 502


Chapter 12 Mobile Devices 507


    Foundation Topics 508


    Install and Configure Laptop Hardware and Components 508


        ExpressCard 508


        SODIMM Memory 510


        Flash Memory 511


        Ports and Adapters 512


    Replace Laptop Components 514


        Battery 518


        Keyboard 520


        Storage (HDD) and Optical Drives 521


        Memory 524


        Smart Card Reader 526


        Wireless Card 527


        Screen 529


        DC Jack 531


        Touchpad 532


        Plastics/Frames 533


        Speaker 535


        System Board 535


        CPU and Heat Sink 537


    Laptop Display Components 540


        LCD 540


        OLED 541


        Wi-Fi Antenna Connector/Placement 541


        Webcam 542


        Microphone 542


        Inverter 543


        Digitizer 543


    Using Laptop Features 543


        Special Function Keys 544


        Docking Station 546


        Laptop and Cable Locks 547


        Rotating/Removable Screens 549


    Characteristics of Other Mobile Devices 550


        Tablets 550


        Smartphones 550


        Wearable Technology Devices 551


        Phablets 551


        E-Readers 551


        Smart Camera 551


        GPS 552


    Accessories and Ports Used by Other Mobile Devices 552


        NFC 552


        Proprietary Vendor-Specific Ports (Communication/Power) 552


        Lightning for Apple iOS 553


        MicroUSB/MiniUSB for Android, Windows 553


        Bluetooth 553


        IR 554


        Hotspot/Tethering 554


        Headsets 554


        Speakers 554


        Game Pads 554


        Tablet/Smartphone Docking Stations 555


        Extra Battery Packs/Battery Chargers 555


        Protective Covers/Waterproofing 555


        Credit Card Readers 556


        Memory/MicroSD 556


    Exam Preparation Tasks 557


    Review All the Key Topics 557


    Memory Table 557


    Define Key Terms 557


    Complete Hands-On Labs 558


        Lab 12-1: Laptop Features and Upgrade Options 558


        Lab 12-2: Mobile Device Features 559


    Answer Review Questions 559


    Answers and Explanations to Hands-On Labs 565


        Lab 12-1: Laptop Features and Upgrade Options 565


        Lab 12-2: Mobile Device Features 565


    Answers and Explanations to Review Questions 565


Chapter 13 Hardware and Network Troubleshooting 569


    Foundation Topics 570


    Troubleshooting Motherboard, RAM, CPU, and Power Issues 570


        Unexpected Shutdowns 570


        System Lockups 570


        POST Code Beeps 572


    Blank Screen on Bootup 574


    BIOS Time and Settings Resets 575


    Attempts to Boot to Incorrect Device 576


    Continuous Reboots 577


    No Power 577


    Overheating 578


        Loud Noise 583


        Intermittent Device Failure 584


        Fans Spin–No Power to Other Devices 584


        Indicator Lights 585


        Smoke or Burning Smells 585


        Step-by-Step Power Supply Troubleshooting 585


        Distended Capacitors 586


        Proprietary Crash Screens (BSOD/Pin wheel) 588


    Recommended Tools 588


        Multimeter 588


        Power Supply Tester 592


        Loopback Plugs 594


        POST Card and POST Hex Codes 594


    Troubleshooting Hard Drives and RAID Arrays 596


        Read/Write Failure 596


        Slow Performance 597


        Loud Clicking Noise 599


        Failure to Boot 600


        Drive Not Recognized 600


        OS Not Found 601


        RAID Not Found 602


        RAID Stops Working 602


        Proprietary Crash Screens (BSOD/PinWheel) 603


        S.M.A.R.T. Errors 603


        Recommended Hardware and Software Tools 604


        Defragmentation 607


        CHKDSK (Error-Checking) 609


    Troubleshooting Video, Projector, and Display Issues 613


        VGA Mode 613


        No Image on Screen 614


        Overheat Shutdown 615


        Dead Pixels 615


        Artifacts 615


        Incorrect Color Patterns 616


        Dim Image 617


        Flickering Image 617


        Distorted Image 617


        Distorted Geometry 618


        Burn-In 619


        Oversized Images and Icons 620


    Network Troubleshooting 622


        No Connectivity 622


        APIPA/Link-Local Address 623


        Limited Connectivity/Local Connectivity 623


        Local Connectivity 624


        Intermittent Connectivity 625


        IP Conflict 625


        Slow Transfer Speeds 625


        Low RF Signal 626


        SSID Not Found 626


        Quick Reference to Network Hardware Tools 627


    Overview of Network Command-Line Tools 627


        PING 628


        IPCONFIG 629


        IFCONFIG 630


        TRACERT 631


        NETSTAT 631


        NBTSTAT 631


        NET 632


        NETDOM 632


        NSLOOKUP 633


    Mobile Device Troubleshooting 633


        No Display 634


        Dim Display 634


        Flickering Display 634


        Sticking Keys 635


        Intermittent Wireless 635


        Battery Not Charging 636


        Ghost Cursor/Pointer Drift 636


        No Power 637


        Num Lock Indicator Lights 638


        No Wireless Connectivity 638


        No Bluetooth Connectivity 638


        Cannot Display to External Monitor 639


        Touchscreen Non-Responsive 639


        Apps Not Loading 639


        Slow Performance 640


        Unable to Decrypt Email 640


        Extremely Short Battery Life 640


        Overheating 641


        Frozen System 641


        No Sound from Speakers 641


        GPS Not Functioning 641


        Swollen Battery 642


    Mobile Device Disassembly Process 642


        Document and Label Cable and Screw Locations 642


        Organize Parts 643


        Refer to Manufacturer Resources 643


        Use Appropriate Hand Tools 644


    Printer Troubleshooting 645


        Streaks 645


        Faded Prints 646


        Ghost Images 647


        Toner Not Fused to the Paper 647


        Creased Paper 647


        Paper Not Feeding 647


        Paper Jam 648


        No Connectivity 649


        Garbled Characters on Paper 649


        Vertical Lines on Page 649


        Backed-Up Print Queue 650


        Low-Memory Errors 651


        Access Denied 653


        Printer Will Not Print 653


        Color Prints in Wrong Print Color 653


        Unable to Install Printer 654


        Error Codes 655


        Printing Blank Pages 657


        No Image on Printer Display 657


        Using Printer Troubleshooting Tools 657


    Exam Preparation Tasks 658


    Review All the Key Topics 658


    Complete the Tables and Lists from Memory 658


    Define Key Terms 659


    Complete Hands-on Labs 659


        Lab 13-1: Beep Codes, Fans, Multimeter, and Hard Disk Testing 659


        Lab 13-2: Network, Mobile Device, and Printer Troubleshooting 660


    Answer Review Questions 660


    Answers and Explanations to Hands-On Labs 667


        Lab 13-1: Beep Codes, Fans, Multimeter, and Hard Disk Testing 667


        Lab 13-2: Network, Mobile Device, and Printer Troubleshooting 668


    Answers and Explanations to Review Questions 668


Chapter 14 Windows Operating Systems Features and Installation 673


    Foundation Topics 674


    Differences Between Windows Versions 674


        Windows Vista, Windows 7, and Windows 8/8.1 Features Compared 675


        Windows Desktop (Aero, Aero Glass, Sidebar, Gadgets, Start Screen, Start Menu) 677


        Control Panel Views 679


        Shadow Copy 680


        Compatibility Mode 681


        Virtual XP Mode 685


        Administrative Tools 685


        Modern UI 686


        Side-by-Side Apps 687


        Pinning Programs to the Taskbar 688


        OneDrive Cloud Storage 688


        Windows Store 690


        Multi-monitor Task Bars 690


        Charms 690


        Live Sign In 692


        Action Center 692


        File Structure and Paths 693


        Windows Upgrade Paths 694


        Boot Methods 698


        Installation Types 699


    Partitioning Methods 707


        Partitioning Overview 708


    Windows File Systems 712


        FAT32 713


    Configuring Windows During/After Installation 717


        Loading Alternative Drivers 717


        Workgroup vs Domain Setup 717


        Time/Date/Language/Region Settings 718


        Installing Drivers, Software, Updates 718


        Using Windows Update and Microsoft Update 718


        Installing Service Packs Manually 720


    Using the Factory Recovery Partition 723


    Refresh and Reset (Windows 8/8.1/10) 723


    Characteristics of a Properly Formatted Boot Drive 725


    Exam Preparation Tasks 725


    Review All the Key Topics 725


    Define Key Terms 726


    Complete the Tables and Lists from Memory 726


    Complete Hands-On Lab 726


        Lab 14-1: Using Windows Features 726


    Answer Review Questions 727


    Answers and Explanations to Hands-On Labs 731


    Using Windows Features 731


    Answers and Explanations to Review Questions 731


Chapter 15 Managing Microsoft Windows 735


    Foundation Topics 736


    Command-Line Tools 736


        Commands Available with Standard Privileges vs. Administrative Privileges 737


        Starting a Command Prompt Session with CMD.EXE 737


        Using Wildcards to Specify a Range of Files 739


        TASKKILL 740


        BOOTREC 740


        SHUTDOWN 741


        TASKLIST 743


        MKDIR, CHDIR, and RMDIR (MD, CD, and RD) 744


        DEL 745


        FORMAT 745


        COPY 748


        XCOPY 748


        ROBOCOPY 749


        Diskpart 751


        SFC 752


        CHKDSK 753


        GPUPDATE 753


        GPRESULT 754


        DIR 754


        EXIT 755


        HELP 755


        EXPAND 755


        Command /? 755


    Microsoft Administrative Tools 756


        Computer Management (MMC) 756


        Using Device Manager 757


        Performance Monitor 763


        Services (Services.msc) 764


        Task Scheduler 766


        Print Management 768


        Component Services 769


        Data Sources (ODBC) 769


        Local Security Policy 769


        Windows Memory Diagnostics 769


    Task Manager 770


    MSCONFIG 773


    Disk Management 775


        Drive Status 775


        Initializing a Disk 777


        Creating a New Simple Volume 777


        Extending Partitions 778


        Shrink Partitions 778


        Splitting Partitions 779


        Mounting a Drive 779


        Assigning/Changing Drive Letters 780


        Adding Arrays 781


    Storage Spaces 783


    Windows Upgrade Tools 785


        Windows Easy Transfer (WET) 786


        User State Migration Tool (USMT) 787


    System Utilities 788


        Using REGEDIT 789


        COMMAND 791


        MSTSC (Remote Desktop Connection) 791


        NOTEPAD 794


        EXPLORER 794


        MSINFO32 (System Information) 799


        DXDIAG (DirectX Diagnostics) 801


        System Restore 802


        Windows Update 804


    Control Panel Utilities 804


        Starting Control Panel 805


        Category and Icon Views 805


        Shortcuts to Control Panel Functions 809


        Display/Display Settings 810


        Folder Options 812


        System 814


        Power Options 818


        Programs and Features 821


        HomeGroup (Windows 7/8/8.1/10) 822


        Devices and Printers 822


        Sound 823


        Troubleshooting 824


        Internet Options 824


    Exam Preparation Tasks 825


    Review All the Key Topics 825


    Define Key Terms 826


    Complete the Tables and Lists from Memory 826


    Complete Hands-On Labs 826


        Lab 15-1: Determining System Components 826


        Lab 15-2: Checking Power and Display Settings 827


    Answer Review Questions 827


    Answers and Explanations to Hands-On Labs 833


        Lab 15-1: Determining System Components 833


        Lab 15-2: Checking Power and Display Settings 833


    Answers and Explanations to Review Questions 834


Chapter 16 Networking Microsoft Windows 839


    Foundation Topics 840


    Homegroup vs. Workgroup 840


        Workgroup Networking 840


        HomeGroup Networking 842


    Domain Setup 844


    Network Shares 845


        Sharing a Folder 845


        Joining a Homegroup and Custom File Sharing 846


        Mapped Drive Letters 847


    Administrative Shares 849


    Printer Sharing versus Network Printer Mapping 849


    Establish Networking Connections 850


        VPN Connections 851


        Dial-Up Connections 852


        Wireless Connections 854


        Wired Connections 854


        WWAN (Cellular) Connections 855


    Proxy Settings 855


    Remote Desktop Connection and Remote Assistance 856


    Home vs. Work vs. Public Network Settings 858


        Windows 7 Network Locations 859


        Windows 8/8.1 Network Locations 860


    Firewall Settings 862


        Enabling/Disabling Windows Firewall 864


        Exceptions 864


        Configuration 865


    Configuring an Alternative IP Address in Windows 866


    Network Card Properties 868


        QoS (Quality of Service) 869


        Half Duplex/Full Duplex/Auto 869


        Speed 869


        Wake-on-LAN 870


        BIOS (on-board NIC) 872


    Exam Preparation Tasks 872


    Review All the Key Topics 872


    Define Key Terms 873


    Complete Hands-On Lab 873


        Lab 16-1: Windows Networking Tasks 873


    Answer Review Questions 873


    Answers and Explanations to Hands-On Labs 877


        Lab 16-1: Windows Networking Tasks 877


    Answers and Explanations to Review Questions 877


Chapter 17 Operational Procedures 881


    Foundation Topics 882


    Using Appropriate Safety Procedures 882


        Equipment Grounding 882


        Component Handling and Storage 884


        Toxic Waste Handling 889


        Personal Safety 891


        Compliance with Local Government Regulations 894


    Applying Environmental Controls 894


        Material Safety Data Sheet (MSDS) 894


        Temperature, Humidity, and Air 896


        Power Surges, Brownouts, and Blackouts 896


    Addressing Prohibited Content or Activity 899


        Incident Response 899


        Documentation 900


        Chain of Custody 900


    Licensing/DRM/EULA 900


        DRM 901


        EULA 901


        Understanding Open Source and Commercial Licenses 901


        Personal versus Enterprise Licenses 903


    Personally Identifiable Information 903


    Following Corporate End-User Policies and Security Best Practices 905


    Communication Methods and Professionalism 906


        Use Proper Language 906


        Maintain a Positive Attitude/Project Confidence 906


        Actively Listen to the Customer 906


        Be Culturally Sensitive 907


        Be Punctual 907


        Avoid Distractions 907


        Dealing with Difficult Customers or Situations 907


        Setting and Meeting Expectations/Timeline and Communicating with the Customer 908


        Dealing Appropriately with Customers’ Confidential and Private Materials 908


    Exam Preparation Tasks 909


    Review All the Key Topics 909


    Complete the Tables and Lists from Memory 909


    Define Key Terms 909


    Complete Hands-On Labs 910


        Lab 17-1: Safety and Environmental Policies and Procedures 910


        Lab 17-2: Prohibited Content, Licensing, Removing Personally


    Identifiable Content, and Professional Behavior 911


    Answer Review Questions 912


    Answers and Explanations to Hands-On Labs 916


        Lab 17-1: Safety and Environmental Policies and Procedures 916


        Lab 17-2: Prohibited Content, Licensing, Removing Personally


    Identifiable Content, and Professional Behavior 917


    Answers and Explanations to Review Questions 917


Chapter 18 OS X and Linux 921


    Foundation Topics 922


    Best Practices 922


        Scheduled Backups 922


        Scheduled Disk Maintenance 923


        System Updates/App Store 924


        Patch Management 925


        Driver/Firmware Updates 926


        Antivirus/Antimalware Updates 926


    Tools 926


        Backup/Time Machine 926


        Restore/Snapshot 930


        Image Recovery 931


        Disk Maintenance Utilities 931


        Shell/Terminal 932


        Screen Sharing 933


        Force Quit 934


    Features 936


        Multiple Desktops/Mission Control 936


        Spotlight 936


        iCloud 937


        Keychain 938


        Gestures 938


        Finder 938


        Remote Disc 939


        Dock 939


        Boot Camp 940


    Basic Linux Commands 940


        ls 941


        grep 941


        cd 942


        shutdown 942


        pwd vs. passwd 943


        mv 943


        cp 943


        rm 943


        chmod 944


        chown 944


        iwconfig/ifconfig 945


        ps 945


        su/sudo 946


        apt-get 946


        vi 946


        dd 946


    Exam Preparation Tasks 947


    Review All the Key Topics 947


    Complete the Tables and Lists from Memory 947


    Define Key Terms 947


    Complete Hands-On Lab 947


        Lab 18-1: OS X and Linux Commands 948


    Answer Review Questions 948


    Answers and Explanations to Hands-On Lab 952


        Lab 18-1: OS X and Linux Commands 952


    Answers and Explanations to Review Questions 952


Chapter 19 Virtualization, Cloud Computing, and Network Services 957


    Foundation Topics 958


    Client-Side Virtualization Overview 958


        Host/Guest Virtualization 959


        Hypervisor 961


        Purpose of Virtual Machines 961


        Resource Requirements 963


        Emulator Requirements 963


        Security Requirements 965


        Network Requirements 965


    Identify Basic Cloud Concepts 966


        SaaS 966


        PaaS 967


        IaaS 968


        Public vs. Private vs. Hybrid vs. Community 968


        Rapid Elasticity 969


        On-Demand 969


        Resource Pooling 969


        Measured Service 969


    Properties and Purposes of Network Services–Server Roles 969


        Web Server 969


        File Server 970


        Print Server 970


        DHCP Server 970


        DNS Server 970


        Proxy Server 970


        Mail Server 971


        Authentication Server 971


    Internet Appliances 971


        UTM 971


        IDS 972


        IPS 972


    Legacy and Embedded Systems 972


    Exam Preparation Tasks 973


    Review All the Key Topics 973


    Define Key Terms 974


    Complete Hands-On Lab 974


        Lab 19-1: Checking for Virtualization Support 974


    Answer Review Questions 974


    Answers and Explanations to Hands-On Labs 978


        Lab 19-1: Checking for Virtualization Support 978


    Answers and Explanations to Review Questions 978


Chapter 20 Mobile Operating Systems and Devices 981


    Foundation Topics 982


    Android vs iOS vs Windows Features 982


        Open-Source vs. Closed-Source/Vendor-Specific 982


    App Source (Apple Store, Google Play Store, and Windows Store) 987


    Screen Orientation and Calibration (Accelerometer/Gyroscope) 987


    GPS and Geotracking 992


    Wi-Fi Calling 993


    Launcher/GUI 993


        Virtual Assistant 995


        SDK/APK 996


        Emergency Notification 997


        Mobile Payment Service 997


    Mobile Device Connectivity 997


        Wireless / Cellular Data Network 998


        Bluetooth 1002


    Email Configuration 1006


        Corporate and ISP Email Configuration 1006


        Integrated Commercial Provider Email Configuration 1008


    PRI Updates/PRL Updates/Baseband Updates 1008


    Radio Firmware 1009


    IMEI vs IMSI 1009


    VPN 1010


    Data Synchronization 1010


        Synchronization Methods 1011


        Cloud-Based Synchronization 1011


        Desktop-Based Synchronization 1012


        Email Synchronization 1012


        Software Requirements for Synchronization Software 1012


        Connection Types for Synchronization Software 1012


    Exam Preparation Tasks 1013


    Review All the Key Topics 1013


    Define Key Terms 1013


    Complete Hands-On Labs 1013


        Lab 20-1: Updating Mobile Devices and Enabling Personal


    Assistants 1014


        Lab 20-2: Tethering, Hot Spots, and Synchronization 1014


    Answer Review Questions 1014


    Answers and Explanations to Hands-On Labs 1017


        Lab 20-1: Updating Mobile Devices and Enabling Personal


    Assistants 1017


        Lab 20-2: Tethering, Hot Spots, and Synchronization 1017


    Answers and Explanations to Review Questions 1018


Chapter 21 Security 1021


    Foundation Topics 1022


    Common Security Threats and Vulnerabilities 1022


        Malware 1023


        Phishing 1024


        Spear Phishing 1025


        Spoofing 1026


        Social Engineering 1026


        Shoulder Surfing 1026


        Zero-Day Attack 1026


        Zombie/Botnet 1026


        Brute Forcing 1027


        Dictionary Attacks 1027


        Non-Compliant Systems 1027


        Violations of Security Best Practices 1027


        Tailgating 1028


        Man-in-the-Middle 1028


    Common Prevention Methods 1028


        Physical Security 1029


        Digital Security 1032


        User Education/AUP (Acceptable Use Policy) 1037


        Principle of Least Permission 1038


    Windows Basic Security Settings 1038


        Users and Groups 1039


        NTFS vs Share Permissions 1040


        Shared Files and Folders 1041


        System Files and Folders 1042


        User Authentication 1042


        BitLocker and BitLocker to Go 1042


        EFS 1043


    Best Security Practices for Workstations 1044


        Password Best Practices 1045


        Account Management 1047


        Disabling Autorun 1048


        Using Data Encryption 1049


        Patch/Update Management 1049


    Securing Mobile Devices 1049


        Screen Locks 1050


        Locator Applications 1051


        Remote Wipes 1051


        Remote Backup Applications 1052


        Failed Login Attempts Restrictions 1052


        Antivirus/Anti-malware 1053


        Patching/OS Updates 1053


        Biometric Authentication 1054


        Full Device Encryption 1054


        Multifactor Authentication 1054


        Authenticator Applications 1054


        Trusted Sources vs. Untrusted Sources 1055


        Firewalls 1055


        Policies and Procedures 1055


    Data Destruction and Disposal Methods 1056


        Physical Destruction Methods 1057


        Recycling or Repurposing Best Practices 1057


    SOHO Network Security 1058


        Wireless-Specific Security 1059


        Change Default Usernames and Passwords 1063


        Enable MAC Filtering 1064


        Assign Static IP Addresses 1064


        Firewall Settings 1064


        Port Forwarding/Mapping 1065


        Disabling Ports 1065


        Content Filtering / Parental Controls 1065


        Update Firmware 1065


        Physical Security 1066


    Exam Preparation Tasks 1066


    Review All the Key Topics 1066


    Complete the Tables and Lists from Memory 1067


    Define Key Terms 1067


    Complete Hands-On Labs 1068


        Lab 21-1: Physical, Operating System, Email, and Password


    Security 1068


        Lab 21-2: Protecting Against Autorun, Wiping Disks, and Securing a


    SOHO Network 1068


    Answer Review Questions 1069


    Answers and Explanations to Hands-On Labs 1072


        Lab 21-1: Physical, Operating System, Email, and Password Security 1072


        Lab 21-2: Protecting Against Autorun, Wiping Disks, and Securing a     SOHO Network 1072


    Answers and Explanations to Review Questions 1073


Chapter 22 Troubleshooting Desktop and Mobile Operating Systems 1077


    Foundation Topics 1078


    Troubleshooting Common Symptoms 1078


        Proprietary Crash Screens 1078


        Troubleshooting Windows STOP Errors (BSOD) 1078


        OS X Pin Wheel 1081


        Failure to Boot 1082


        Improper Shutdown (Windows) 1089


        Spontaneous Shutdown/Restart 1089


        Device Fails to Start/Detected (Windows) 1091


        Missing DLL Message (Windows) 1092


        Services Fail to Start 1092


        Compatibility Error (Windows) 1093


        Slow System Performance 1094


        Boots to Safe Mode (Windows) 1096


        File Fails to Open 1096


        Missing GRUB/LILO (Linux) 1096


        Kernel Panic (OS X/Linux) 1097


        Multiple Monitor Misalignment/Orientation 1098


        Missing Boot Configuration Data 1104


        Missing Operating System 1104


        Missing Graphical Interface 1104


        GUI Fails to Load (Windows) 1104


    Tools for Troubleshooting Software 1105


        BIOS/UEFI 1105


        SFC (Windows) 1105


        Logs 1105


        System Recovery Options (Windows) 1107


        Repair Discs 1108


        Pre-installation Environments 1109


        MSCONFIG (Windows) 1110


        DEFRAG 1110


        REGSVR32 (Windows) 1110


        REGEDIT (Windows) 1111


        Safe Mode (Windows) 1111


        Command Prompt (Windows) 1116


        Uninstall/Reinstall/Repair 1116


    Troubleshoot Mobile OS and Application Issues 1116


        System Lockout 1117


        Soft Reset 1118


        Hard Reset 1118


    Adjust Configurations/Settings 1119


    Mobile Devices and Application Security Issues 1121


        Signal Drop/Weak Signal 1121


        Power Drain 1121


        Slow Data Speeds 1121


        Unintended Wi-Fi Connection 1122


        Unintended Bluetooth Pairing 1122


        Leaked Personal Files/Data 1122


        Data Transmission Overlimit 1123


        Unauthorized Account Access 1123


        Unauthorized Root Access 1123


        Unauthorized Location Tracking 1123


        Unauthorized Camera/Microphone Activation 1124


        High Resource Utilization 1124


        Tools 1125


    Troubleshooting PC Security Issues 1131


        Common Symptoms of Malware Infections 1131


        Tools 1133


        Best Practice Procedure for Malware Removal 1135


    Exam Preparation Tasks 1136


    Review All the Key Topics 1136


    Complete the Tables and Lists from Memory 1136


    Define Key Terms 1136


    Complete Hands-On Lab 1137


        Lab 22-1: Troubleshooting Windows, OS X, Linux, iOS, and Android 1137


    Answer Review Questions 1138


    Answers and Explanations to Hands-On Lab 1144


        Lab 22-1: Troubleshooting Windows, OS X, Linux, iOS, and


    Android 1144


    Answers and Explanations to Review Questions 1145


Glossary 1151


Online-only Elements:


Appendix A CompTIA A+ Objectives


Appendix B Memory Tables


Appendix C Answers to Memory Tables


TOC, 9780789756527, 7/28/2016


Updates

Submit Errata

More Information

Unlimited one-month access with your purchase
Free Safari Membership