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CompTIA A+ Quick Reference (220-801 and 220-802) (B&N Exclusive Edition), 3rd Edition / Edition 3
     

CompTIA A+ Quick Reference (220-801 and 220-802) (B&N Exclusive Edition), 3rd Edition / Edition 3

by Mark Edward Soper
 

ISBN-10: 0789749750

ISBN-13: 9780789749758

Pub. Date: 08/15/2012

Publisher: Pearson

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

Overview

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 exclusive B&N 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

Product Details

ISBN-13:
9780789749758
Publisher:
Pearson
Publication date:
08/15/2012
Edition description:
B&N Exclusive Edition
Product dimensions:
6.90(w) x 8.90(h) x 0.70(d)

Related Subjects

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

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