CompTIA A+ Complete Deluxe Study Guide with Online Labs

ABOUT THE AUTHORS QUENTIN DOCTER, A+, started in the IT industry as a tech support agent for Packard Bell in 1994. Since then he has worked in tech support, network administration, consulting, training, web development, and project management. During his career, he has achieved certifications from CompTIA, Microsoft, Cisco, Novell, and Sun Microsystems. He is the author of several books, including Sybex’s CompTIA IT Fundamentals+ Study Guide. JON BUHAGIAR, A+, Network+, is an information technology professional with two decades of experience in higher education. During the past 19 years he has been responsible for Network Operations at Pittsburgh Technical College and lead several projects, such as virtualization (server and desktop), VoIP, Office 365, and many other projects supporting the quality of education at the college. He has achieved several certifications from Cisco, CompTIA, and Microsoft and taught many of the certification paths. He is the author of several books, including Sybex’s CompTIA Network+ Review Guide. Wiley has partnered up with Practice Labs, the IT Competency Hub, to give IT learners discounted access to their live, virtual Practice Labs. Connect to real devices using actual hardware and software straight from a web browser. Practice labs allow you to cement your theoretical studies with practical, hands-on experience. Master your IT skills and gain virtual world experience to increase your employability. Each purchase provides 6 months’ unlimited access. Ready to practice your IT skills?

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