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CompTIA A+ Quick Reference (220-801 and 220-802), 3rd Edition

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CompTIA A+ Quick Reference (220-801 and 220-802), 3rd Edition

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Description

  • Copyright 2013
  • Dimensions: 10-1/2" x 7-3/4"
  • Edition: 3rd
  • eBook (Watermarked)
  • ISBN-10: 0-7897-5022-8
  • ISBN-13: 978-0-7897-5022-8

CompTIA A+ Quick Reference (220-801 and 220-802) 

Don’t take chances.

Be 100% ready for your A+ exams!

Studying for CompTIA’s tough new A+ 220-801 and 220-802 exams? This book’s quick, visual, focused review will help you make absolutely sure you’re ready! Here are just the facts you need to pass: the most critical knowledge, distilled, simplified, and presented with plenty of pictures…so you can review at a glance, even if you only have a minute! For just $19.99, this book will help you remember what matters most, fix your weaknesses, and earn your best possible grade…because nobody wants to take these A+ exams twice!

Focused, fact-filled, up-to-date review of EVERY A+ exam objective:

  • Hardware
  • Networking
  • Laptops
  • Printers
  • Operational Procedures
  • Operating Systems
  • Security
  • Mobile Devices
  • Troubleshooting techniques, and more

Sample Content

Sample Pages

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Table of Contents

    Introduction xv

Chapter 1 Hardware 1

    CPUs 1

        32-Bit Versus 64-Bit CPUs 1

        Clock Rate 2

        Cores and Cache 2

        Hyperthreading 4

        Virtualization Support 4

        Integrated Graphics (GPU) 4

        CPU Interfaces and Socket Types 4

        CPU Cooling Methods 8

    System Memory 9

        Dual-Channel and Triple-Channel Memory 9

        Other Types of RAM 10

        VRAM and Virtual RAM 11

        Parity and ECC 11

    BIOS 11

    Motherboards 15

        Form Factors 16

        Expansion Cards and Slots 17

    Adapter Cards and Integrated Ports 19

        Integrated Ports 22

        Daughter Boards and Riser Boards 22

    Storage Devices 23

        Magnetic and Solid-State Drives 24

        Optical Drives CD/DVD/RW/Blu-ray 24

        Installing SATA, PATA, and SCSI Drives 25

        RAID 28

        Media Cards 29

        Other Storage Devices 30

    Cooling 30

    Power Supplies 31

    Monitors and Display Resolutions 33

        CRTs 33

        LCDs 34

        Other Display Devices 34

        Display Connectors 34

        Multiple Displays 35

    I/O Devices 35

        Mice and Keyboards 35

        Speakers and Microphones 35

        Video-Input Devices 36

        Other I/O Devices 36

    Custom System Configurations 36

Chapter 2 Networking 39

    Network Cables and Connectors and Their Characteristics 39

        Fiber-Optic Cables and Connectors 39

        Ethernet Twisted-Pair Cabling and Connectors 40

        Coaxial Network Cables and Connectors 43

    TCP/IP Addressing 44

        TCP/IP v4 Class A, B, and C Addresses 44

        IPv4 Versus IPv6 44

        Public, Private, and APIPA IP Addresses 45

        Static and Dynamic IP Addresses 46

        DHCP 47

        Subnet Mask 47

        Gateway 47

    TCP and UDP Ports, Protocols, and Uses 48

        DNS 48

        DHCP 49

        LDAP 49

        SNMP 49

        SMB 49

        SSH 49

        SFTP 49

        TCP Versus UDP 49

    Wireless Networks 50

    Installing and Configuring a SOHO Router 51

    Internet Connection Types and Features 52

        Cable 52

        DSL 53

        Dial-Up 55

        Fiber 56

        Satellite 56

        ISDN 57

        Cellular (Mobile Hotspot) 57

        Line-of-Sight Wireless Internet Service 57

        WiMAX 57

    Network Types 57

    Network Topologies 58

    Network Devices 58

    Using Networking Tools 59

Chapter 3 Laptops 61

    Install and Configure Laptop Hardware and Components 61

        Expansion Options 61

        Hardware Device Replacement 64

    Laptop Display Components 76

        Display Types (LCD, LED, OLED, Plasma) 76

        Other Laptop Display Components 76

        Wi-Fi Antenna Components 77

    Compare and Contrast Laptop Features 77

        Special Function (Fn) Keys 78

        Docking Station Versus Port Replicator 79

        Physical Laptop Lock and Cable Lock 80

Chapter 4 Printers 81

    Laser 81

    Inkjet 84

    Thermal 86

    Impact Printer 86

    Printer Installation and Connections 87

    Network Printing 88

    Printer Maintenance 89

Chapter 5 Operational Procedures 91

    Safety Procedures 91

        Preventing Electrostatic Discharge 91

        Electrical Shock Protection 92

        Lifting and Moving Equipment Safely 92

        Fighting Electrical Fires Safely 93

        Safe Disposal of CRT Displays 93

        Cable Management 93

        Installation Regulations 93

    Environmental Impacts and Environmental Controls 94

        MSDS 94

        Temperature, Humidity, and Air Management 94

        Component Handling and Protection 94

    Communication and Professionalism 95

    Dealing with Prohibited Content/Activity 96

        First Response 96

        Documentation 96

        Chain of Custody 96

Chapter 6 Operating Systems 97

    OS Concepts 97

    Windows XP, Windows Vista, and Windows 7 Features and Requirements 98

        Minimum System Requirements 98

        Differences in Windows Editions 98

        UAC and the Administrator Account 103

        Windows Compatibility Mode 104

        Directory Structures 104

        Registry 105

        Upgrade Options 106

        Determining Compatibility 108

    Windows Installation and Configuration Options 108

        Boot Methods to Use for Installation 108

        Installation Types 108

        Partitioning the Drive for Windows 109

        File Systems 109

        Third-Party Disk Drivers 110

        Network Settings 110

        Time/Date/Region/Language Settings 110

        Installing Other Windows Drivers and Updating Windows 110

        Factory Recovery Partition 110

        OS Repair and Adding Services 111

    Command-Line Tools 111

    Operating System Features and Tools 113

    Control Panel Utilities 118

        Common Control Panel Settings 119

        Control Panel Options Unique to Windows XP and Vista 120

        Control Panel Options Unique to Windows 7 120

    Windows Client Networking 121

        Windows Network Types 121

        Joining a Network 123

        Mapping Drives 123

        Connecting to a Network 123

        Proxy Settings 124

        Remote Desktop Connection 124

        Home, Work, and Public Network Settings 125

        Firewall Settings 125

        Configuring IP Addresses in Windows 126

        Configuring Network Card Properties in Windows 126

    Preventive Maintenance of Windows Installations 127

    Operating System Security Settings 128

        Users and Groups 128

        NTFS Permissions 128

        Share Permissions 130

        System Files and Folders 130

        User Authentication 130

    Client-Side Virtualization 131

        Virtualization Resource Requirements 131

        Emulator Requirements and Features 132

        Security Requirements 132

        Network Requirements 133

        Understanding Hypervisors 133

Chapter 7 Security 135

    Common Prevention Methods 135

        Physical Security 135

        Digital Security 136

    Security Best Practices for Workstation Security 141

        Passwords 141

        User Permissions and Guest Accounts 143

        Disabling AutoPlay 143

    Data Destruction and Disposal Methods 144

        Formatting and Drive Overwriting 144

        Drive Wiping 144

        Physical Disk Destruction 145

    Securing a SOHO Wireless Network 145

    Securing a SOHO Wired Network 146

Chapter 8 Mobile Devices 149

    Mobile Operating Systems 149

        Android (Open Source) 149

        Apple iOS (Closed Source) 150

        Getting Applications for Your Device 151

        Adjusting the Screen Orientation 151

        Apple Accelerometer and Gyroscope 152

        Android Screen Calibration 152

        Resetting the Device 153

        GPS and Geotracking 153

    Mobile Network Connectivity and Email Configuration 154

        Enable/Disable Connectivity 154

        Wi-Fi Connections 155

        Bluetooth Connections 155

        Email Configuration 157

    Mobile Device Security 158

    Laptop and Tablets: How They’re Different 158

    Mobile Device Synchronization 159

Chapter 9 Troubleshooting 161

    The CompTIA Six-Step Troubleshooting Process 161

        Gather Data from the Customer 161

        Establish a Theory of Probable Cause (Eliminate the Obvious) 162

        Establish a Plan of Action and Implement the Solution 163

        Verify Functionality and Implement Preventive Measures 163

        Document Your Findings, Actions, Outcomes 163

    Troubleshooting Motherboards, RAM, CPU, and Power 164

    Troubleshooting Hard Drives and RAID Arrays 170

    Troubleshooting Video and Display Issues 178

    Troubleshooting Wired and Wireless Networks 182

    Troubleshooting Operating Systems 185

    Troubleshooting Security Issues 192

        Dealing with Malware 196

    Troubleshooting Laptop Issues 196

        Best Practices for Laptop Disassembly 200

    Troubleshooting Printers 200

9780789749758, 6/28/2012, TOC

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