CompTIA A+ Complete Deluxe Study Guide with Online Labs

Introduction xxvii Assessment Test lxxxii Part I 220-1101 1 Chapter 1 Motherboards, Processors, and Memory 3 Understanding Motherboards 7 Understanding Processors 42 Understanding Memory 49 Understanding Cooling Systems 63 Summary 71 Exam Essentials 71 Review Questions 73 Performance-Based Question 1 77 Performance-Based Question 2 78 Chapter 2 Expansion Cards, Storage Devices, and Power Supplies 79 Installing and Configuring Expansion Cards 81 Understanding Storage Devices 89 Understanding Power Supplies 118 Summary 131 Exam Essentials 131 Review Questions 133 Performance-Based Question 137 Chapter 3 Peripherals, Cables, and Connectors 139 Understanding Cables and Connectors 140 Understanding Cables and Connectors 160 Summary 184 Exam Essentials 185 Review Questions 186 Performance-Based Question 190 Chapter 4 Printers and Multifunction Devices 191 Understanding Print Technologies and Imaging Processes 193 Summary 262 Exam Essentials 262 Review Questions 264 Performance-Based Question 268 Chapter 5 Networking Fundamentals 269 Understanding Networking Principles 271 Identifying Common Network Hardware 295 Summary 324 Exam Essentials 324 Review Questions 327 Performance-Based Question 331 Chapter 6 Introduction to TCP/IP 333 Understanding TCP/IP 335 Understanding Virtual Networks 368 Virtual Local Area Networks 368 Virtual Private Networks 370 Summary 372 Exam Essentials 372 Review Questions 374 Performance-Based Question 378 Chapter 7 Wireless and SOHO Networks 379 Understanding Wireless Networking Technologies 381 Installing and Configuring SOHO Networks 402 Summary 449 Exam Essentials 449 Review Questions 451 Performance-Based Question 455 Chapter 8 Network Services, Virtualization, and Cloud Computing 457 Understanding Network Services 459 Understanding Virtualization and Cloud Computing 487 Summary 515 Exam Essentials 516 Review Questions 518 Performance-Based Question 522 Chapter 9 Laptop and Mobile Device Hardware 523 Working with Laptop and Mobile Device Hardware 526 Summary 584 Exam Essentials 585 Review Questions 586 Performance-Based Question 590 Chapter 10 Mobile Connectivity and Application Support 591 Understanding Mobile Connectivity 593 Summary 668 Exam Essentials 668 Review Questions 670 Performance-Based Question 674 Chapter 11 Troubleshooting Methodology and Resolving Core Hardware Problems 675 Using the Troubleshooting Best Practice Methodology 678 Troubleshooting Motherboards, CPUs, RAM, and Power Problems 690 Summary 708 Exam Essentials 709 Review Questions 711 Performance-Based Question 715 Chapter 12 Hardware and Network Troubleshooting 717 Troubleshooting Storage Drives and RAID Arrays 721 Troubleshooting Video, Projector, and Display Issues 731 Troubleshooting Common Mobile Device Issues 737 Troubleshooting Printer Problems 751 Troubleshooting Networking Problems 779 Summary 806 Exam Essentials 806 Review Questions 809 Performance-Based Question 813 Part II 220-1102 815 Chapter 13 Operating System Basics 817 Understanding Operating Systems 819 Understanding Applications 830 Introduction to Windows 10 836 Preparing for the Exam 871 Summary 872 Exam Essentials 872 Review Questions 874 Performance-Based Question 878 Chapter 14 Windows Configuration 879 Interacting with Operating Systems 882 The Windows Registry 960 Disk Management 962 Summary 970 Exam Essentials 970 Review Questions 972 Performance-Based Question 976 Chapter 15 Windows Administration 977 Installing and Upgrading Windows 980 Command-Line Tools 1013 Networking in Windows 1030 Summary 1050 Exam Essentials 1050 Review Questions 1052 Performance-Based Question 1056 Chapter 16 Working with macOS and Linux 1057 macOS and Linux 1060 Applications on macOS 1061 Managing Applications 1064 Creating Shortcuts 1065 Tools 1071 System Preferences 1073 Features 1082 Basic Linux Commands 1087 Linux and Windows 1106 Summary 1108 Exam Essentials 1109 Review Questions 1110 Performance-Based Question 1114 Chapter 17 Security Concepts 1115 Physical Security Concepts 1121 Physical Security for Staff 1128 Key Fobs 1129 Smartcards and RFID Badges 1129 Logical Security 1132 Malware 1143 Mitigating Software Threats 1151 Social Engineering Attacks, Threats, and Vulnerabilities 1159 Common Security Threats 1163 Exploits and Vulnerabilities 1170 Security Best Practices 1172 Data Encryption 1172 Setting Strong Passwords 1173 Requiring Passwords 1174 Password Expiration 1175 End-User Best Practices 1176 Account Management 1177 Disable AutoRun 1181 Destruction and Disposal Methods 1183 Recycling or Repurposing Best Practices 1183 Physical Destruction 1185 Summary 1187 Exam Essentials 1187 Review Questions 1190 Performance-Based Question 1194 Chapter 18 Securing Operating Systems 1195 Working with Windows OS Security Settings 1199 Users and Groups 1199 Web Browser Security 1228 Securing a SOHO Network (Wireless) 1239 Securing a SOHO Network (Wired) 1247 Mobile Device Security 1253 Summary 1263 Exam Essentials 1264 Review Questions 1265 Performance-Based Question 1269 Chapter 19 Troubleshooting Operating Systems and Security 1271 Troubleshooting Common Microsoft Windows OS Problems 1275 Troubleshooting Security Issues 1309 Symptoms 1315 Best Practices for Malware Removal 1318 Troubleshooting Mobile OS Issues 1325 Troubleshooting Mobile Security Issues 1335 Summary 1341 Exam Essentials 1342 Review Questions 1343 Performance-Based Question 1346 Chapter 20 Scripting and Remote Access 1347 Scripting 1349 Remote Access 1375 Summary 1387 Exam Essentials 1388 Review Questions 1389 Performance-Based Question 1392 Chapter 21 Safety and Environmental Concerns 1393 Understanding Safety Procedures 1395 Understanding Environmental Controls 1417 Understanding Policies, Licensing, and Privacy 1433 Summary 1446 Exam Essentials 1446 Review Questions 1448 Performance-Based Question 1452 Chapter 22 Documentation and Professionalism 1453 Documentation and Support 1457 Change Management Best Practices 1476 Disaster Prevention and Recovery 1482 Demonstrating Professionalism 1494 Summary 1508 Exam Essentials 1508 Review Questions 1510 Performance-Based Question 1514 Appendix A Answers to the Review Questions 1515 Chapter 1: Motherboards, Processors, and Memory 1516 Chapter 2: Expansion Cards, Storage Devices, and Power Supplies 1518 Chapter 3: Peripherals, Cables, and Connectors 1520 Chapter 4: Printers and Multifunction Devices 1521 Chapter 5: Networking Fundamentals 1523 Chapter 6: Introduction to TCP/IP 1525 Chapter 7: Wireless and SOHO Networks 1527 Chapter 8: Network Services, Virtualization, and Cloud Computing 1529 Chapter 9: Laptop and Mobile Device Hardware 1531 Chapter 10: Mobile Connectivity and Application Support 1533 Chapter 11: Troubleshooting Methodology and Resolving Core Hardware Problems 1535 Chapter 12: Hardware and Network Troubleshooting 1537 Chapter 13: Operating System Basics 1539 Chapter 14: Windows Configuration 1540 Chapter 15: Windows Administration 1543 Chapter 16: Working with macOS and Linux 1545 Chapter 17: Security Concepts 1547 Chapter 18: Securing Operating Systems 1549 Chapter 19: Troubleshooting Operating Systems and Security 1551 Chapter 20: Scripting and Remote Access 1554 Chapter 21: Safety and Environmental Concerns 1556 Chapter 22: Documentation and Professionalism 1558 Appendix B Answers to Performance-Based Questions 1561 Chapter 1: Motherboards, Processors, and Memory 1562 Chapter 2: Expansion Cards, Storage Devices, and Power Supplies 1563 Chapter 3: Peripherals, Cables, and Connectors 1563 Chapter 4: Printers and Multifunction Devices 1564 Chapter 5: Networking Fundamentals 1565 Chapter 6: Introduction to TCP/IP 1566 Chapter 7: Wireless and SOHO Networks 1566 Chapter 8: Network Services, Virtualization, and Cloud Computing 1567 Chapter 9: Laptop and Mobile Device Hardware 1568 Chapter 10: Mobile Connectivity and Application Support 1568 Chapter 11: Troubleshooting Methodology and Resolving Core Hardware Problems 1569 Chapter 12: Hardware and Network Troubleshooting 1569 Chapter 13: Operating System Basics 1570 Chapter 14: Windows Configuration 1570 Chapter 15: Windows Administration 1571 Chapter 16: Working with macOS and Linux 1575 Chapter 17: Security Concepts 1577 Chapter 18: Securing Operating Systems 1577 Chapter 19: Troubleshooting Operating Systems and Security 1578 Chapter 20: Scripting and Remote Access 1578 Chapter 21: Safety and Environmental Concerns 1579 Chapter 22: Documentation and Professionalism 1579 Index 1581 Table of Exercises Exercise 2.1 Removing an Internal Storage Device 115 Exercise 2.2 Installing an Internal Storage Device 116 Exercise 2.3 Removing a Power Supply 130 Exercise 3.1 Changing the Refresh Rate in Windows 10 143 Exercise 3.2 Changing the Settings for Multiple Monitors 148 Exercise 4.1 Identifying the Parts of an Inkjet Printer 203 Exercise 4.2 Installing a USB Printer in Windows 10 239 Exercise 4.3 Installing a TCP/IP Printer in Windows 10 242 Exercise 4.4 Determining if Bonjour Is Installed in Windows 244 Exercise 4.5 Scanning a Document to Google Drive 250 Exercise 4.6 Using an Inkjet Cleaning Solution 255 Exercise 4.7 Installing Memory into a Laser Printer 258 Exercise 5.1 Pricing Network Cables 313 Exercise 7.1 The Cost of Networking 422 Exercise 7.2 Installing an Internal NIC in Windows 10 422 Exercise 8.1 Configuring Windows 10 to Use a Proxy Server 477 Exercise 8.2 Using Google’s Cloud Services 497 Exercise 8.3 Enabling Hyper-V in Windows 10 503 Exercise 8.4 Installing VirtualBox and Lubuntu on Windows 10 508 Exercise 9.1 Removing Speakers from a Laptop 536 Exercise 9.2 Removing the Display Assembly 544 Exercise 9.3 Removing the Display Panel 546 Exercise 9.4 Removing the Motherboard from a Laptop 549 Exercise 9.5 Replacing Laptop Memory 553 Exercise 9.6 Removing an M.2 SSD from a Laptop 557 Exercise 9.7 Removing a Laptop Keyboard 560 Exercise 9.8 Disabling a Touchpad in Windows 10 563 Exercise 9.9 Removing an Internal Laptop Battery 568 Exercise 9.10 Removing the System Fan 572 Exercise 9.11 Removing the CPU Heat Sink 573 Exercise 9.12 Removing the Wireless NIC 574 Exercise 9.13 Removing the CMOS Battery 575 Exercise 9.14 Flashing the System BIOS 576 Exercise 10.1 Connecting an iPhone to a Wi-Fi Network 609 Exercise 10.2 Connecting an Android Phone to a Wi-Fi Network 611 Exercise 10.3 Disabling Cellular Use for Data Networking on an iPhone 614 Exercise 10.4 Disabling Cellular Use for Data Networking in Android OS 616 xxvi Table of Exercises Exercise 10.5 Setting Up a VPN in Android 619 Exercise 10.6 Pairing an Android Device with a Windows Laptop 623 Exercise 10.7 Pairing an iPhone with a Vehicle’s Sound System 632 Exercise 10.8 Configuring Location Services in iOS 638 Exercise 10.9 Email Account Configuration on an iPhone 645 Exercise 10.10 Email Account Configuration in Android 648 Exercise 10.11 Enabling ActiveSync in iOS 658 Exercise 11.1 Troubleshooting Practice 707 Exercise 12.1 Using a S.M.A.R.T Software Utility in Windows 729 Exercise 12.2 Stopping and Restarting the Print Spooler in Windows 10 775 Exercise 12.3 Renewing an IP Address in Windows 10 787 Exercise 12.4 Renewing an IP Address from the Command Line 789 Exercise 12.5 Using the net share Command in Windows 795 Exercise 13.1 Changing a Screen Saver in Windows 854 Exercise 13.2 Auto-Hiding the Taskbar 856 Exercise 13.3 Starting a Program from the Run Window 859 Exercise 14.1 Working with Task Manager 887 Exercise 14.2 Working with Performance Monitor 896 Exercise 14.3 Changing the Time Zone 908 Exercise 14.4 Showing Hidden Files and Folders 913 Exercise 15.1 Command-Line Directory Management 1015 Exercise 15.2 Running chkdsk within Windows 1025 Exercise 15.3 Running chkdsk at the Command Line 1026 Exercise 16.1 Installing Applications on macOS 1063 Exercise 16.2 Uninstalling Applications on macOS 1065 Exercise 16.3 Working with Files 1103 Exercise 17.1 Testing Your Antimalware 1153 Exercise 17.2 Testing Social Engineering 1160 Exercise 18.1 Examining a Security Token 1207 Exercise 18.2 Examining File Permissions 1214 Exercise 18.3 Working with File Hashes 1230 Exercise 18.4 Setting the Passcode Lock on an iPhone 1255 Exercise 18.5 Setting the Passcode Lock on an Android Phone 1255 Exercise 19.1 Reviewing Reliability Monitor 1288 Exercise 19.2 Manually Creating a Restore Point in Windows 1304 Exercise 20.1 Creating and Running a Windows Batch Script 1356 Exercise 20.2 Creating Your First PowerShell Script 1360 Exercise 21.1 Finding Trip Hazards 1413 Exercise 21.2 Finding MSDSs 1425 Exercise 22.1 Understanding Punctuality 1501 Exercise 22.2 Surprise Someone 1505