31 days before your CompTIA A+ exams [2nd ed] 9780132167536, 0132167530

31 Days Before Your CompTIA A+ Exams Second Edition Ben Conry A Day-by-Day Review Guide for the CompTIA A+ 220-701 an

1,256 52 5MB

English Pages 208 Year 2012

Report DMCA / Copyright

DOWNLOAD FILE

31 days before your CompTIA A+ exams [2nd ed]
 9780132167536, 0132167530

Table of contents :
Content: Day 31: Storage 1A+ 220-701 Exam Objective 1Key Points 1Storage Devices 1 Hard Drives 1 Floppy Drives 1 Solid-State HDD and NVRAM 2 Tape Drives 2 CD, DVD, and BD Drives 2 Network Drives 3Interfaces and Cables 3Homework 4Funwork 4Study Resources 4Day 30: Motherboards, Adapter Cards, Memory Slots, and Power Supplies 5A+ 220-701 Exam Objectives 5Key Points 5Motherboards 5 Adapter Card Interfaces 7 Memory Slots 9Power Supplies 9RAID Adapters 11Homework 11Funwork 12Study Resources 12Day 29: Processors and Cooling 13A+ 220-701 Exam Objectives 13Key Points 13Central Processing Unit 13 RISC and CISC 1500_9781587132605_fm.qxd 8/29/11 4:07 PM Page xProcessors 15System Resources 16Cooling Systems 17Homework 18Funwork 18Study Resources 19Day 28: Memory 21A+ 220-701 Exam Objective 21Key Points 21Memory 21 RAM 21 Speed 22 Virtual RAM 23 ROM 23 EEPROM 23 NVRAM 23 Memory Slots 23Homework 24Funwork 24Study Resources 25Day 27: Displays, Peripherals, and Adapters 27A+ 220-701 Exam Objectives 27Key Points 27Resolutions 27Peripheral and Input Devices 28 Mouse and Touchpad 28 Keyboard 28Adapter Cards 28 PCI and PCIe Cards 29 AGP Cards 29 Sound Cards 29 TV Tuner Cards 29 Capture Cards 29 NIC and Modem Cards 30Ports 30 USB Ports 30 PS/2 Ports 31 Serial Ports 31 Parallel Ports 31 Display Adapter Ports 32Cables 32 Audio Cables 33 FireWire Cables 33 Network Cables 33 SCSI Cables 33Homework 34Funwork 34Study Resources 34Day 26: Operating Systems Comparisons and User Interfaces 35A+ 220-701 Exam Objective 35Key Points 35Operating Systems and the Layered PC Model 35Desktop Operating Systems 36 Apple OS X 36 Microsoft Windows 36 Linux 37OS System Requirements 38Network Operating Systems 39The "Multi" Terms 40GUI Versus CLI 40 Command-Line Syntax 40 Command Prompt Commands 41Users and Permissions 43Homework 43Funwork 43Study Resources 44Day 25: Operating System Installation and Booting 45A+ 220-701 Exam Objectives 45The Windows User Interface 45 GUI Utilities 45 Windows 7 Libraries 45 My Computer 46 Control Panel 46Command-Line Utilities 46 Ping 47 Telnet 47 Ipconfig 47Run-Line Utilities 48 MSConfig 48 MSInfo32 49 Dxdiag 49 Regedit 49Operating System Installation 50Hardware Compatibility List 50Preparing the HDD for an OS Installation 50 Partitioning 50 Formatting 51Windows Boot Process 51Clean Operating System Install 52Boot Modes 52Logical Memory 53Windows Boot Options 53 Safe Mode 53 Boot to a Restore Point 53 Recovery Options 54 Automated System Recovery 54 Emergency Repair Disk 54 Recovery Console 55Homework 55Funwork 55Study Resources 56Day 24: Laptops and Printers 57A+ 220-701 Exam Objectives 57Key Points 57Expansion Devices 57 PCMCIA Cards and PCI Express Cards 57 Docking Stations 58Laptops and Projectors 59Communication Connections 59 Bluetooth Devices 59 Infrared Communications 60 Cellular WANs 60 Ethernet NICs 61 Modems 61Power Settings and Electrical Input Devices 62 Autoswitching Power Supplies and Fixed-Input Power Supplies 62 Batteries 62 ACPI Levels 63Input Devices 63 Digitizers 64 Function Keys 64 Pointing Devices 64Printer Types 65 Laser Printers 65 Inkjet Printers 65 Thermal Printers 66 Impact Printers 66Local Versus Network Printers 66Printer Drivers (Compatibility) 67Consumables 67Homework 67Funwork 67Study Resources 67Day 23: Basic Troubleshooting and Preventive Maintenance 69A+ 220-701 Exam Objectives 69Key Points 69Troubleshooting 69More on Troubleshooting 70Memory Dumps 71Homework 71Funwork 71Study Resources 72Day 22: Troubleshooting Laptops and Printers 73A+ 220-701 Exam Objectives 73Key Points 73Cleaning Laptops 73Repairing Laptops 73 Common Laptop Problems and Solutions 73 Video Ports 74 Keyboards 75 Wireless Cards 75 A Lifeless Laptop? 75 Peripheral Problems? 75 No Video? 76 Woeful WiFi? 76Common Printer Problems and Solutions 76 Managing Print Jobs 76Homework 77Funwork 77Study Resources 78Day 21: Networking Fundamentals 79A+ 220-701 Exam Objective 79Key Points 79LANs, WANs, and WLANs 79 LANs 79 WANs 79 WLANs 79OSI Model 80 Simplex, Multicasting, Half-Duplex, and Full-Duplex Communications 81Network Addressing 81 MAC Addresses 81 IP Addresses 82 Subnets 82 A Class Act 82Really Big Numbers 83Network Topologies 83 Physical Topologies 83 Logical Topologies 83 Client/Server Networks and Peer-to-Peer Networks 84Network Architectures 84 The Physical Layer of Ethernet 85 The Physical Layer of WiFi 85Bluetooth 85Homework 86Funwork 86Study Resources 87Day 20: More Networking Fundamentals 89A+ 220-701 Exam Objectives 89Key Points 89Network Protocols 89Standards Organizations 90Ports of Call 91Wire Drill 91Seeing the Light 92File Sharing 92Homework 92Funwork 92Study Resources 93Day 19: Security 95A+ 220-701 Exam Objectives 95Key Points 95Security Threats 95WiFi Security 97Antivirus, Spyware Removal, and Definition Updates 98Firewalls 98User Training and Password Policies 99Troubleshooting Security 99Homework 99Funwork 99Study Resources 100Day 18: Scenario-Based Safety and Environmental Procedures 101A+ 220-701 Exam Objective 101Key Points 101Hazards 101Fire Safety 101Material Safety Data Sheets 102Tools 102Electrostatic Discharge 103Disposing of Computer Components 103Homework 104Funwork 104Study Resources 104Day 17: Scenario-Based Communication and Professionalism 105A+ 220-701 Exam Objective 105Key Points 105Customer Support 105Service Level Agreements 106Professional Advice 106Difficult Scenarios 106A Geekspeak Translation Guide 107Homework 108Funwork 108Study Resources 108Day 16: Essentials 220-701 Exam Review Day 111The Cheat Sheet Study Technique 111Homework 111Funwork 112Day 15: Essentials 220-701 Exam Day 113The Perfect Score 113Before the Exam 113During the Exam 113 RTDQ 113The Most Important Test-Taking Tip 114After the Exam 114Day 14: Installing Storage Devices, Motherboards, and Power Supplies 115A+ 220-702 Exam Objective 115Key Points 115Storage Devices 115 SATA Installation 115 PATA Installation 116 Floppy Drive Installation 116Motherboards 116 Legacy Expansion Slots 117 Old-School D Plugs 117 Flashing the BIOS: A Closer Look 118Power Supplies 118Controller Cards 119 Installing a RAID Controller Card 119 Installing an eSATA Controller Card 119Homework 120Funwork 120Study Resources 121Day 13: Installing Processors, Memory, Adapter Cards, and Cooling Systems 123A+ 220-702 Exam Objective 123Key Points 123Processors 123Memory 124Adapter Cards 124Cooling Systems 125Homework 125Funwork 125Study Resources 126Day 12: Troubleshooting Storage Devices, Motherboards, and Power Supplies 127A+ 220-702 Exam Objective 127Key Points 127Maintenance Toolkit 127Safety First 128Cleaning Solutions 128Troubleshooting Storage Issues 128Troubleshooting Motherboards 129Testing Power Supplies 129Homework 130Funwork 130Study Resources 130Day 11: Troubleshooting Processors 131A+ 220-702 Objective 131Key Points 131CPU Architecture 13132-Bit Processing Versus 64-Bit Processing 131CPUs and Legos 132 Sockets 132 Cache 132 RAM 132 Multicore CPUs 132 The Future of 64-Bit Processing 132 Front-Side Bus 133Homework 133Funwork 133Study Resources 133Day 10: Troubleshooting Memory, Monitors, Audio, Keyboards, and Cooling Systems 135A+ 220-702 Exam Objective 135Key Points 135Troubleshooting Memory 135Troubleshooting Monitors 135Troubleshooting Audio 136Troubleshooting Keyboards 137Troubleshooting Cooling Systems 138Homework 138Funwork 138Study Resources 139Day 9: Scenario-Based Troubleshooting of Laptops, Printers, and Specialty Tools 141A+ 220-702 Exam Objectives 141Key Points 141LCDs 141Laptop Hard Drives 142Networking for Laptops 143Video RAM 143Hot-Swappable Devices and Not-Swappable Devices 143Measuring Memory and Speed: When Size Matters 144Repairing and Replacing Components 145Troubleshooting Printers 145 Printer RAM and Firmware 146 Paper Jams 146 Blank Paper 146 Error Codes 146 Lines and Smearing 147 Printing Garbage 147 Ghosted Image 147 Serious Solutions: Laser Printers 147 Serious Solutions: Inkjet Printers 147 Serious Solutions: Paper Problems 148 Toner Cartridges 148Cleaning Printers 149 Cleaning Inkjet Printers 149 Cleaning Laser Printers 149 Cleaning Dot-Matrix Printers 149Homework 150Funwork 150Study Resources 150Day 8: Operating System Commands and Directory Structures 151A+ 220-702 Objectives 151Key Points 151Command-Line Switches 151 dir 151 xcopy 152 attrib 153 format 153 ipconfig 153 ping 154Registry 154System Folders and Users 155Shared Folders and Naming Conventions 156Mapping a Network Drive 156Accessibility Options 156Homework 157Funwork 157Study Resources 157Day 7: System Utilities 159A+ 220-702 Exam Objective 159Key Points 159Administrative Tools 159Disk Management Tools 159 Defrag 160 NTBACKUP 160 Check Disk 160Permissions 160Remote Desktop Connection and Remote Assistance 161Language Packs and Regional Settings 161Disk Management and Utilities 162System Monitor 162Task Manager 162Device Manager 163System Information 163System Restore 163Task Scheduler 163Homework 164Funwork 164Study Resources 164Day 6: Troubleshooting Common Operating System Issues 165A+ 220-702 Exam Objective 165Key Points 165Operational Problems 165 Windows Printing Problems 165 Auto-Restart Errors 166 Bluescreen Errors 166 System Lockups 166 Device Driver Problems 167 Last Known Good Configuration 167 Application Issues 167 Service Fails to Start 167Error Messages and Conditions 167Boot Errors 168 No Operating System Found or Missing NTLDR 168 Not Enough HDD Space 168 Invalid Boot Disk 168Startup Errors 169 Service Failed to Start 169 Program Not Found in the Registry 169 Event Viewer 169System Performance and Optimization 169 Aero Settings 169 Index Settings 170 UAC 170 Sidebar Settings 170 Startup Maintenance 170 Background Processes 171Msconfig 171Change File Extension Associations 171File Attributes 171Virtual Memory 172Default Disabled Windows Administrator Account 172ERD and ASR 172Homework 173Funwork 173Study Resources 173Day 5: Troubleshooting Networks 175A+ 220-702 Objective 175Key Points 175Troubleshooting the Physical Layer 175 Exploring ipconfig /all Outputs 175 Troubleshooting TCP/IP 176 Other Network Troubleshooting Techniques 176Follow the Packet 177Mail Protocol Settings 178 SMTP 178 IMAP 178 POP3 179FTP Settings 179Homework 179Funwork 179Study Resources 180Day 4: Install and Configure a SOHO Network 181A+ 220-702 Exam Objective 181Key Points 181Connection Types 181The Basic SOHO 182The Better SOHO 183The Hardened SOHO 183 Network Defense 183 Host Defense 184 User Education 184Homework 185Funwork 185Study Resources 185Day 3: Scenario-Based Security 187A+ 220-702 Exam Objectives 187Key Points 187Antivirus Software 187Malware Types 187 Adware 188 Trojan 188 Virus 188 Worms 188Firewalls 189SHA and MD5 189Encryption 189Authentication 190BIOS 190Virtual Private Networking 190Homework 190Funwork 191Study Resources 192Day 2: Practical Application 220-702 Exam Review Day 193By Any Other Name 193Brain Dumps 193Write Your Own Practice Questions 194Good Answers Versus Correct Answers 194Homework 194Funwork 194Day 1: Practical Application 20-702 Exam Day 195Before the Exam 195During the Exam 195After the Exam 195 9781587132605 TOC 8/31/2011

Polecaj historie