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CompTIA A+ Complete Deluxe Study Guide: Exam Core 1 220-1001 and Exam Core 2 220-1002
— —
Quentin Docter
CompTIA A+ Complete Deluxe Study Guide: Exam Core 1 220-1001 and Exam Core 2 220-1002 by Quentin Docter at Abbey's Bookshop,

CompTIA A+ Complete Deluxe Study Guide: Exam Core 1 220-1001 and Exam Core 2 220-1002

Quentin Docter


9781119515968

Sybex Inc.,U.S.


Computer certification: CompTia


Hardback

1696 pages

$109.95
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The ultimate Sybex guide to the A+ certification, fully updated and revised The CompTIA A+ Complete Deluxe Study Guide: Exams 220-1001 and 220-1002, Fourth Edition is your comprehensive guide for acing the exam and earning A+ certification. Covering 100 percent of the objectives for both exams, this essential study tool gets you up to speed on essential A+ knowledge and skills. Master the critical competencies associated with hardware and software, system maintenance, troubleshooting, connectivity, and more-with practical examples drawn from real-world experience, you'll develop the skill set employers demand in today's IT environment. End-of-chapter reviews help you gauge your progress and stay on track for success, while exam highlights give you a sneak preview of what to expect on the big day. This deluxe edition provides access to the Sybex interactive online test bank, featuring bonus sets of electronic flashcards, a searchable glossary, and 4 additional practice exams to help you study from anywhere, any time. It also includes the ebook in multiple formats-prepare for the exam across multiple devices.

CompTIA A+ certification is the industry-leading standard for IT professionals. Hundreds of companies require their computer technicians to hold this valuable credential. Now in its fourth edition, this revised and updated study guide includes expanded coverage of virtualization and cloud computing, mobile hardware installation, network security, and more, to reflect the latest changes in the A+ exam. Providing all the information you need to earn your A+ certification, this invaluable resource will help you:

Understand and troubleshoot network connectivity issues Install and configure Windows, iOS, Android, Apple OSX, and Linux operating systems Track your progress and test your understanding with interactive online study tools The CompTIA A+ Complete Deluxe Study Guide, Fourth Edition arms you with the tools and knowledge necessary to take your skills to the next level. Whether a first-time candidate or IT professional in need of recertification, this essential study guide will help you prepare, practice, and pass with minimal burden and maximum results.

By:   Quentin Docter
Imprint:   Sybex Inc.,U.S.
Country of Publication:   United States
Edition:   4th Edition
Dimensions:   Height: 241mm,  Width: 189mm,  Spine: 58mm
Weight:   2.356kg
ISBN:   9781119515968
ISBN 10:   1119515963
Pages:   1696
Publication Date:   May 2019
Audience:   Professional and scholarly ,  Undergraduate
Format:   Hardback
Publisher's Status:   Active

Introduction xxxiii Assessment Test for Exam 220-1001 lxxvi Assessment Test for Exam 220-1002 lxxxvii Part I 220-1001 1 Chapter 1 Motherboards, Processors, and Memory 3 Understanding Motherboards 5 System Board Form Factors 6 System Board Components 9 Understanding Processors 38 Understanding Memory 44 Important Memory Terms 45 Types of Memory 48 Memory Packaging 55 Understanding Cooling Systems 59 Fans 59 Memory Cooling 62 Hard Drive Cooling 63 Chipset Cooling 63 CPU Cooling 63 Summary 68 Exam Essentials 68 Review Questions 70 Performance-Based Question 1 74 Performance-Based Question 2 74 Chapter 2 Internal Expansion, Storage Devices, and Power Supplies 75 Installing and Configuring Expansion Cards 77 Video 78 Multimedia 79 Communications 80 Input/Output 82 Adapter Configuration 83 Understanding Storage Devices 84 Hard Disk Drive Systems 84 Solid-State Drives 92 Optical Storage Drives 97 RAID 103 Removable Storage and Media 105 Installing, Removing, and Configuring Storage Devices 110 Understanding Power Supplies 113 Dual-Rail Architecture 115 Power and Voltage Ratings 115 Power Connectors 116 Replacing Power Supplies 122 AC Adapters as Power Supplies 123 Summary 124 Exam Essentials 124 Review Questions 126 Performance-Based Question 130 Chapter 3 Peripherals and Connectors 131 Understanding Cables and Connectors 133 Video Cables and Connectors 133 Hard Drive Cables and Connectors 141 Multipurpose Cables and Connectors 148 Other Peripheral Cables and Connectors 156 Understanding Uses of Peripheral Devices 161 Video Devices 162 Audio Devices 179 Input and Output Devices 181 Storage Devices 193 Summary 194 Exam Essentials 195 Review Questions 197 Performance-Based Question 201 Chapter 4 Custom PC Configurations 203 Exploring Custom Configurations 205 Standard Thick Clients 206 Graphic and CAD/CAM Design Workstations 207 Audio/Video Editing Workstations 210 Virtualization Workstations 214 Gaming PCs 217 Thin Clients 221 Network-Attached Storage Devices 221 Summary 228 Exam Essentials 229 Review Questions 230 Performance-Based Question 234 Chapter 5 Installing and Configuring Printers 235 Understanding Print Technologies and Imaging Processes 237 Impact Printers 238 Inkjet Printers 240 Laser Printers 249 Thermal Printers 260 Virtual Printers 261 3D Printers 263 Installing and Maintaining Printers 267 Printer Interface Components 267 Installing and Sharing Local Printers 272 Installing and Sharing Networked Printers 283 Performing Printer Maintenance 292 Installing Printer Upgrades 298 Summary 303 Exam Essentials 303 Review Questions 305 Performance-Based Question 308 Chapter 6 Networking Fundamentals 309 Understanding Networking Principles 311 Understanding Networking Fundamentals 312 Identifying Common Network Hardware 333 Network Interface Cards 333 Cables and Connectors 337 Networking Components 350 Summary 357 Exam Essentials 357 Review Questions 359 Performance-Based Question 362 Chapter 7 Introduction to TCP/IP 363 Understanding TCP/IP 365 TCP/IP Structure 366 Understanding IP Addressing 376 Understanding Virtual Networks 392 Summary 395 Exam Essentials 396 Review Questions 398 Performance-Based Question 402 Chapter 8 Installing Wireless and SOHO Networks 403 Understanding Wireless Networking Technologies 406 802.11 Networking Standards 407 Bluetooth Networking 415 Cellular Networking Standards 418 Home Automation Standards 421 Radio Frequency Networking Standards 423 Installing and Configuring SOHO Networks 426 Choosing an Internet Connection 427 Choosing Internal Network Connections 441 Keys to Planning a Network 445 Network Installation 446 Configuring Wireless Routers and Access Points 457 Configuring End-User Devices 473 Summary 478 Exam Essentials 478 Review Questions 480 Performance-Based Question 484 Chapter 9 Network Services, Virtualization, and Cloud Computing 485 Understanding Network Services 487 Server Roles 488 Internet Appliances 506 Legacy and Embedded Systems 509 Understanding Virtualization and Cloud Computing 511 Concepts of Cloud Computing 511 Concepts of Virtualization 521 Summary 533 Exam Essentials 534 Review Questions 536 Performance-Based Question 539 Chapter 10 Understanding Laptops 541 Working with Laptops 543 Laptops vs. Desktops 544 Disassembling and Reassembling Laptops 545 Laptop Case 549 Motherboards and Processors 553 Memory 558 Storage 561 Input Devices 566 Keyboards 566 Pointing Devices 570 Internal Expansion 575 Mini PCIe 575 M.2 575 Power Systems 576 Batteries 576 Power Adapters 578 Laptop Displays 580 Video Card 580 Backlight 581 Inverter 581 Screen 582 Digitizer 583 Webcam and Microphone 583 Wi-Fi Antenna 584 Replacing Components within a Laptop Display 584 Other Internal Components 586 External Peripherals 591 Cable Locks 591 Docking Stations and Port Replicators 592 USB Ports 593 Summary 595 Exam Essentials 595 Review Questions 597 Performance-Based Question 600 Chapter 11 Understanding Mobile Devices 601 Understanding Mobile Devices 603 Characteristics of Mobile Devices 604 Tablets 607 Smartphones 610 E-readers 616 GPS 617 Wearable Technology Devices 622 Connection Types 626 Mobile Device Accessories 632 Summary 635 Exam Essentials 635 Review Questions 637 Performance-Based Question 640 Chapter 12 Mobile Device Connectivity and Synchronization 641 Understanding Network Connectivity and Email 643 Using Cellular Data Connections 645 Establishing Wi-Fi Connectivity 654 Establishing Bluetooth Connectivity 666 Configuring Email Accounts 675 Configuring Mobile Device Synchronization 687 Syncing Apple iOS Devices 688 Syncing Android Devices 694 Syncing to an Automobile 696 Software Installation Requirements 696 Summary 699 Exam Essentials 700 Review Questions 702 Performance-Based Question 706 Chapter 13 Troubleshooting Methodology and Resolving Core Hardware Problems 707 Using the Troubleshooting Best Practice Methodology 710 Identify the Problem 710 Establish a Theory 715 Test the Theory 716 Establish a Plan of Action 718 Verify Functionality 720 Document Findings 720 Troubleshooting Core Hardware Issues 721 Troubleshooting Motherboards, CPUs, RAM, and Power Problems 722 POST Routines 727 Identifying BIOS/UEFI Issues 728 Identifying Motherboard and CPU Problems 729 Identifying Memory Issues 731 Identifying Power Supply Problems 732 Identifying Cooling Issues 733 Summary 735 Exam Essentials 736 Review Questions 737 Performance-Based Question 741 Chapter 14 Hardware and Network Troubleshooting 743 Troubleshooting Storage and Video Problems 748 Troubleshooting Storage Device Problems 749 Troubleshooting Video Issues 756 Troubleshooting Common Mobile Device Issues 758 Power Issues 759 Video Difficulties 761 Input Problems 762 Networking Troubles 764 Responsiveness Issues 768 Troubleshooting Printer Problems 772 Impact Printer Problems 773 Inkjet Printer Problems 776 Laser Printer Problems 779 Managing Print Jobs 793 Troubleshooting Networking Problems 797 Resolving Connectivity Issues 798 Using Network Troubleshooting Tools 803 Summary 819 Exam Essentials 820 Review Questions 823 Performance-Based Question 826 Part II 220-1002 827 Chapter 15 Operating System Basics 829 Understanding Operating Systems 831 Operating System Terms and Concepts 833 Operating Systems 835 Minimum System Requirements 838 The Windows Interface 842 What's in a Window? 856 Updating Windows 859 Creating Restore Points 860 File Management 861 Preparing for the Exam 866 Summary 869 Exam Essentials 869 Review Questions 871 Performance-Based Question 874 Chapter 16 Operating System Administration 875 Interacting with Operating Systems 877 Control Panel 877 Command-Line Tools 901 The Windows Registry 912 Virtual Memory 915 Administrative Tools 917 Task Manager 917 Microsoft Management Console 921 Windows Memory Diagnostics Tool 929 Local Security Policy 929 User Account Management 930 Windows System Configuration Tools 931 Power Management 937 Disk Management 938 Getting Disks Ready to Store Files and Programs 938 Checking the Health of Hard Disks and Optimizing Their Performance 944 Summary 945 Exam Essentials 945 Review Questions 947 Performance-Based Question 950 Chapter 17 Working with Windows 10 951 Introduction to Windows 10 953 Windows 10 Features 956 Windows Updates 965 Windows 10 Versions 966 Installing Windows 10 968 Windows Installation Options 970 The Installation Process 971 Upgrading to Windows 10 987 Repair Installation 993 Side-by-Side Upgrading Windows 10 993 Upgrading Editions of Windows 10 994 Installation/Upgrade Boot Options 994 Booting the Windows 10 Operating System 995 Multiboot Installations 995 Windows 10 Boot Process 997 Windows Applications 999 Application Requirements 999 Application Installation 1001 Security Considerations 1003 Networking in Windows 10 1003 Networking Models 1003 User Authentication 1007 Accessing Resources 1009 Summary 1011 Exam Essentials 1012 Review Questions 1013 Performance-Based Question 1016 Chapter 18 Working with Windows 8/8.1 1017 Windows Editions 1018 Installing Windows 8 1025 DVD Installation 1028 Unattended Installation/Image Deployment 1028 Remote Network Installation 1029 Multiboot Installation 1029 Repair Installation/Refresh/Restore 1030 Recovery Partition 1031 Windows 8 Boot Methods 1032 Internal Hard Drive (Partition) 1032 External/Hot-Swappable Drive 1033 Flash Drives 1033 Solid-State Drives 1034 Netboot 1034 Summary 1035 Exam Essentials 1035 Review Questions 1036 Performance-Based Question 1040 Chapter 19 Working with Windows 7 1041 Windows 7 Editions 1043 Installing Windows 7 1050 Upgrading to Windows 7 1051 Upgrading Editions of Windows 7 1055 Installation/Upgrade Boot Options 1055 Booting the Windows 7 Operating System 1056 Multiboot Installations 1057 Key Boot Files 1058 Windows 7 Features 1059 System Restore 1059 Windows Defender 1060 Windows Firewall 1060 Action Center 1064 Windows 7 Administrative Tools 1066 Local Users and Groups 1066 Local Security Policy 1067 System Configuration 1069 Component Services 1070 Data Sources 1071 Print Management 1071 Windows Memory Diagnostic 1072 Windows 7 Control Panel Utilities 1073 HomeGroup 1073 RemoteApp and Desktop Connections 1075 Troubleshooting 1076 Windows 7 User Account Control 1078 Networking and Windows 7 1081 Proxy Settings 1083 Configuring an Alternative IP Address in Windows 1084 Network Card Properties 1086 Summary 1090 Exam Essentials 1090 Review Questions 1091 Performance-Based Question 1094 Chapter 20 Working with macOS and Linux 1095 Best Practices 1096 Scheduled Backups 1096 Scheduled Disk Maintenance 1099 System Updates/App Store 1099 Patch Management 1100 Driver/Firmware Updates 1101 Antivirus/Anti-Malware Updates 1102 Tools 1102 Features 1104 Basic Linux Commands 1109 Understanding the Syntax of Shell Commands 1110 Discovering and Using Linux Commands 1112 Becoming root (Superuser) 1113 Managing Processes 1114 Directory Navigation 1115 Directory Listings 1116 Changing Permissions and Ownership 1117 Working with Files 1118 Working with Directories 1119 Networking Utilities 1120 Summary 1120 Exam Essentials 1121 Review Questions 1122 Performance-Based Question 1126 Chapter 21 Scripting and Remote Access 1127 Scripting 1128 Scripting Basics 1130 Scripting Languages 1134 Remote Access 1146 Remote Desktop Protocol 1146 Virtual Network Computing 1147 Telnet 1147 Secure Shell 1148 Remote Access Tools 1149 Security Considerations 1151 Summary 1151 Exam Essentials 1151 Review Questions 1152 Performance-Based Question 1155 Chapter 22 Security Concepts 1157 Physical Security Concepts 1161 Authentication Factors 1161 Multifactor Authentication 1162 Layered Approach to Physical Security 1162 Security Guards 1163 Door Locks 1164 Tailgating 1164 Mantraps 1165 Biometrics 1165 Badges 1166 Key Fobs 1167 Hardware Tokens 1167 Smart Cards and RFID Badges 1168 Information Security 1169 Logical Security 1171 Antivirus and Anti-Malware Software 1171 Firewalls 1172 Email Filtering 1176 Data Loss Prevention 1176 Virtual Private Networks 1177 User Authentication/Strong Passwords 1177 Certificates 1178 Directory Permissions 1179 Active Directory 1180 Network Policies 1185 Acceptable Use Policies 1185 Trusted/Untrusted Software Sources 1186 Mobile Device Management 1186 Principle of Least Privilege 1186 Common Security Threats 1187 Social Engineering Attacks 1187 Denial-of-Service Attacks 1190 Exploits vs. Vulnerabilities 1192 Zero-Day Attacks 1193 Man-in-the-Middle Attacks 1193 Password Attacks 1194 Spoofing Attacks 1195 Non-Complaint Systems 1196 Zombie 1196 Common Software Threats 1196 Ransomware 1197 Trojans 1197 Keyloggers 1198 Rootkits 1198 Viruses 1198 Botnets 1203 Worms 1203 Spyware 1203 Mitigating Software Threats 1203 Antivirus 1203 Anti-Malware 1204 Recovery Console 1205 Backup/Restore 1207 End-User Education 1208 Software Firewalls 1209 FilteredDNS 1211 Destruction and Disposal Methods 1212 Recycling or Repurposing Best Practices 1212 Physical Destruction 1214 Securing a SOHO Network (Wireless) 1216 Changing Default Usernames and Passwords 1216 Changing the SSID 1217 Setting Encryption 1217 Disabling SSID Broadcast 1218 Wireless MAC Filtering 1218 Antenna and Access Point Placement 1218 Radio Power Levels 1219 Assign Static IP Addresses 1219 WPS 1219 Authentication 1220 Securing a SOHO Network (Wired) 1221 Changing Default Usernames and Passwords 1221 Assigning Static IP Addresses 1222 Disabling Ports 1222 Physical Security 1222 Wired and Wireless Security 1223 Summary 1225 Exam Essentials 1225 Review Questions 1227 Performance-Based Question 1230 Chapter 23 Securing Operating Systems 1231 Workstation Security Best Practices 1233 Setting Strong Passwords 1233 Requiring Passwords 1234 Password Expiration 1235 Account Management 1236 Active Directory 1241 Disable Autorun 1245 Data Encryption 1245 Patch/Update Management 1246 Working with Windows OS Security Settings 1247 Users and Groups 1247 NTFS vs. Share Permissions 1248 Shared Files and Folders 1256 System Files and Folders 1259 User Authentication 1260 BitLocker 1263 EFS 1264 Mobile Device Security 1265 Screen Locks 1266 Remote Wipes and Locator Applications 1267 Remote Backup 1270 Failed Login Attempts Restrictions 1270 Viruses and Malware on Mobile Devices 1271 Operating System Updates 1271 Full Device Encryption 1272 Multifactor Authentication 1272 Authenticator Applications 1272 Firewalls 1273 Policies and Procedures 1273 Summary 1274 Exam Essentials 1275 Review Questions 1276 Performance-Based Question 1280 Chapter 24 Troubleshooting Operating Systems and Security 1281 Troubleshooting Microsoft Windows OS Problems 1283 Common Symptoms 1284 Common Solutions 1308 Troubleshooting Security Issues 1329 Pop-Ups 1331 Browser Redirection 1331 Security Alerts 1332 Slow Performance 1333 Internet Connectivity Issues 1333 PC/OS Lock Up 1333 Application Crash 1334 OS Update Failures 1335 Rogue Antivirus 1335 Spam 1336 Renamed System Files/Disappearing Files/Permission Changes/Access Denied 1336 Hijacked Email 1337 Invalid Certificate 1337 Event Viewer Log Errors 1338 Best Practices for Malware Removal 1339 1. Identify and Research Malware Symptoms 1340 2. Quarantine Infected Systems 1341 3. Disable System Restore (in Windows) 1341 4. Remediate the Infected Systems 1342 5. Schedule Scans and Run Updates 1345 6. Enable System Restore and Create a Restore Point (in Windows) 1346 7. Educate the End User 1346 Troubleshooting Mobile Issues 1346 Dim Display 1347 Intermittent Wireless 1347 No Wireless Connectivity 1347 No Bluetooth Connectivity 1348 Cannot Broadcast to an External Monitor 1349 Touch Screen Non-Responsive 1349 Apps Not Loading 1350 Slow Performance 1350 Unable to Decrypt Email 1351 Extremely Short Battery Life 1351 Overheating 1352 Frozen System 1352 No Sound from Speakers 1353 Inaccurate Touch Screen Response 1354 System Lockout 1354 Troubleshooting Mobile Security Issues 1355 Signal Drop/Weak Signal 1356 Power Drain 1356 Slow Data Speeds 1356 Unintended Wi-Fi Connection 1357 Unintended Bluetooth Pairing 1358 Leaked Personal Files/Data 1358 Data Transmission Over Limit 1358 Unauthorized Account Access 1359 Unauthorized Location Tracking 1359 Unauthorized Camera/Microphone Activation 1359 High Resource Utilization 1360 Summary 1360 Exam Essentials 1360 Review Questions 1362 Performance-Based Question 1366 Chapter 25 Documentation and Professionalism 1367 Documentation and Change Management 1370 Network Topology Diagrams 1371 Knowledge Base/Articles 1374 Incident Documentation 1375 Regulatory and Compliance Policy 1376 Acceptable Use Policy 1378 Password Policy 1378 Inventory Management 1379 Change Management Documentation 1379 Disaster Prevention and Recovery 1384 Data Backups 1384 Battery Backup/UPS 1390 Power Generators 1391 Surge Protection 1392 Account Recovery Options 1393 Demonstrating Professionalism 1395 Communicating with Customers 1396 Using Appropriate Behavior 1400 Putting It All in Perspective 1406 Summary 1408 Exam Essentials 1408 Review Questions 1409 Performance-Based Question 1412 Chapter 26 Safety and Environmental Concerns 1413 Understanding Safety Procedures 1416 Identifying Potential Safety Hazards 1416 Creating a Safe Workplace 1427 Understanding Environmental Controls 1437 Managing the Physical Environment 1438 Handling and Disposing of Computer Equipment 1444 Understanding Policies, Licensing, and Privacy 1453 Dealing with Prohibited Content/Activity 1453 Incident Response 1454 Managing Software Licenses 1458 Managing Sensitive Information 1461 Policies and Security Best Practices 1463 Summary 1464 Exam Essentials 1464 Review Questions 1466 Performance-Based Question 1470 Appendix A Answers to Review Questions 1471 Chapter 1: Motherboards, Processors, and Memory 1472 Chapter 2: Internal Expansion, Storage Devices, and Power Supplies 1474 Chapter 3: Peripherals and Connectors 1476 Chapter 4: Custom PC Configurations 1478 Chapter 5: Installing and Configuring Printers 1480 Chapter 6: Networking Fundamentals 1481 Chapter 7: Introduction to TCP/IP 1483 Chapter 8: Installing Wireless and SOHO Networks 1484 Chapter 9: Network Services, Virtualization, and Cloud Computing 1486 Chapter 10: Understanding Laptops 1488 Chapter 11: Understanding Mobile Devices 1490 Chapter 12: Mobile Device Connectivity and Synchronization 1492 Chapter 13: Troubleshooting Methodology and Resolving Core Hardware Problems 1494 Chapter 14: Hardware and Network Troubleshooting 1496 Chapter 15: Operating System Basics 1498 Chapter 16: Operating System Administration 1499 Chapter 17: Working with Windows 10 1501 Chapter 18: Working with Windows 8/8.1 1503 Chapter 19: Working with Windows 7 1505 Chapter 20: Working with macOS and Linux 1507 Chapter 21: Scripting and Remote Access 1509 Chapter 22: Security Concepts 1511 Chapter 23: Securing Operating Systems 1514 Chapter 24: Troubleshooting Operating Systems and Security 1516 Chapter 25: Documentation and Professionalism 1518 Chapter 26: Safety and Environmental Concerns 1521 Appendix B Answers to Performance-Based Questions 1525 Chapter 1: Motherboards, Processors, and Memory 1526 Answer to Performance-Based Question 1 1526 Answer to Performance-Based Question 2 1526 Chapter 2: Internal Expansion, Storage Devices, and Power Supplies 1527 Chapter 3: Peripherals and Connectors 1527 Chapter 4: Custom PC Configurations 1528 Chapter 5: Installing and Configuring Printers 1529 Chapter 6: Networking Fundamentals 1529 Chapter 7: Introduction to TCP/IP 1531 Chapter 8: Installing Wireless and SOHO Networks 1532 Chapter 9: Network Services, Virtualization, and Cloud Computing 1532 Chapter 10: Understanding Laptops 1533 Chapter 11: Understanding Mobile Devices 1533 Chapter 12: Mobile Device Connectivity and Synchronization 1534 Chapter 13: Troubleshooting Methodology and Resolving Core Hardware Problems 1534 Chapter 14: Hardware and Network Troubleshooting 1535 Chapter 15: Operating System Basics 1535 Chapter 16: Operating System Administration 1537 Chapter 17: Working with Windows 10 1538 Chapter 18: Working with Windows 8/8.1 1541 Chapter 19: Working with Windows 7 1543 Chapter 20: Working with macOS and Linux 1546 Chapter 21: Scripting and Remote Access 1548 Chapter 22: Security Concepts 1548 Chapter 23: Securing Operating Systems 1549 Chapter 24: Troubleshooting Operating Systems and Security 1549 Chapter 25: Documentation and Professionalism 1550 Chapter 26: Safety and Environmental Concerns 1551 Index 1553

QUENTIN DOCTER, A+, ITF+, MCSE, CCNA, 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, Network+, A+, CCNA, MCSA, MCSE, BS/ITM,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 project, 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 and Network+ exam review course.

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