Book description
Master IT hardware and software installation, configuration, repair, maintenance, and troubleshooting and fully prepare for the CompTIA® A+ 220-901 and 220-902 exams.
This all-in-one textbook and lab manual is a real-world guide to learning how to connect, manage, and troubleshoot multiple devices in authentic IT scenarios. Thorough instruction built on the CompTIA A+ 220-901 and 220-902 exam objectives includes coverage of Linux, Mac, mobile, cloud, and expanded troubleshooting and security.
For realistic industry experience, the author also includes common legacy technologies still in the field along with non-certification topics like Windows 10 to make this textbook THE textbook to use for learning about today’s tools and technologies. In addition, dual emphasis on both tech and soft skills ensures you learn all you need to become a qualified, professional, and customer-friendly technician. Dozens of activities to help “flip” the classroom plus hundreds of labs included within the book provide an economical bonus–no need for a separate lab manual.
Learn more quickly and thoroughly with all these study and
review tools:
Learning Objectives provide the goals for each chapter plus chapter opening lists of A+ Cert Exam Objectives ensure full coverage of these topics
Hundreds of photos, figures, and tables to help summarize and present information in a visual manner in an all-new full color design
Practical Tech Tips give real-world IT Tech Support knowledge
Soft Skills best practice advice and team-building activities in each chapter cover all the tools and skills you need to become a professional, customer-friendly technician in every category
Review Questions, including true/false, multiple choice, matching, fill-in-the-blank, and open-ended questions, assess your knowledge of the learning objectives
Hundreds of thought-provoking activities to apply and reinforce the chapter content and “flip” the classroom if you want
More than 140 Labs allow you to link theory to practical experience
Key Terms identify exam words and phrases associated with each topic
Detailed Glossary clearly defines every key term
Dozens of Critical Thinking Activities take you beyond the facts to complete comprehension of topics
Chapter Summary provides a recap of key concepts for studying
Certification Exam Tips provide insight into the certification exam and preparation process
Table of contents
- About This E-Book
- Title Page
- Copyright Page
- Contents at a Glance
- Contents
- About the Author
- Dedication
- Acknowledgments
- Fotolia Image Credits
- We Want to Hear from You!
- Introduction
- CompTIA®
-
Part I: CompTIA 220-901 Exam Focus
- 1. Intro to the World of IT
-
2. Connectivity
- Introduction to Connectivity
- External Connectivity
- Mouse and Keyboard Ports
- Video Ports
- USB Ports
- Installing Extra USB Ports
- Audio Ports
- IEEE 1394 (FireWire) Ports
- eSATA Ports
- Network Ports
- Modem Ports
- Integrated Motherboard Ports
- Getting to Know Ports
- Wireless Connectivity for Input Devices
- Soft Skills—Use Appropriate Titles
- Chapter Summary
- Key Terms
- Review Questions
- Exercises
- Activities
- Labs
-
3. On the Motherboard
- On the Motherboard Overview
- Processor Overview
- Processor Basics
- Speeding Up Processor Operations Overview
- Cache
- Clocking
- Threading Technology
- Connecting to the Processor
- Multi-Core Processors
- Graphics Processing Unit (GPU)
- Virtualization
- Intel Processors
- CPU Sockets
- AMD Processors
- Processor Cooling
- Installing a Processor
- Upgrading Processors
- Overclocking Processors
- Installing CPU Thermal Solutions
- Troubleshooting Processor Issues
- Expansion Slots
- PCI (Peripheral Component Interconnect)
- AGP (Accelerated Graphics Port)
- PCIe (Peripheral Component Interconnect Express)
- Chipsets
- Types of Motherboards
- Upgrading and Replacing Motherboards
- Motherboard Troubleshooting
- Soft Skills—Active Listening
- Chapter Summary
- Key Terms
- Review Questions
- Exercises
- Activities
- Labs
-
4. Introduction to Configuration
- Configuration Overview
- BIOS Overview
- The Setup Program
- Flash BIOS
- UEFI/BIOS Configuration Settings
- CMOS Memory
- Motherboard Battery
- Flashing the BIOS
- Clearing CMOS
- Other Configuration Parameters
- IRQ
- PCI/PCIe Interrupts
- I/O (Input/Output) Addresses
- Memory Addresses
- Hardware Configuration Overview
- Installing a USB Device
- Installing/Configuring FireWire Cards
- Troubleshooting Configurations
- Soft Skills—A Good Technician Quality: One Thing at a Time
- Chapter Summary
- Key Terms
- Review Questions
- Activities
- Labs
-
5. Disassembly and Power
- Disassembly Overview
- Electrostatic Discharge (ESD)
- Electromagnetic Interference (EMI)
- Tools
- Disassembly
- Reassembly
- Preventive Maintenance
- Basic Electronics Overview
- Electronics: Terminology
- Power Supply Overview
- Power Supply Form Factors
- Purposes of a Power Supply
- Advanced Configuration and Power Interface (ACPI)
- Replacing or Upgrading a Power Supply
- Choosing a Power Supply
- Adverse Power Conditions
- Adverse Power Protection
- Surge Protectors
- Line Conditioners
- Battery Backup
- Phone Line Isolator
- Symptoms of Power Supply Problems
- Power Supply Voltages
- Solving Power Supply Problems
- Soft Skills—Written Communications Skills
- Chapter Summary
- Key Terms
- Review Questions
- Exercises
- Activities
-
Labs
- Lab 5.1 Performing Maintenance on an Anti-static Wrist Strap
- Lab 5.2 Computer Disassembly/Reassembly
- Lab 5.3 Amps and Wattage
- Lab 5.4 Continuity Check
- Lab 5.5 Pin-Out Diagramming
- Lab 5.6 Fuse Check
- Lab 5.7 Using a Multimeter
- Lab 5.8 Wall Outlet and Power Cord AC Voltage Check
- Lab 5.9 Device DC Voltage Check
- Lab 5.10 Windows Vista/7 Power Options
- Lab 5.11 Windows 8/10 Power Options
-
6. Memory
- Memory Overview
- Memory Physical Packaging
- Planning the Memory Installation
- Installing Memory Overview
- Removing/Installing Memory
- Adding More Cache/RAM
- Windows Disk Caching
- Monitoring Memory Usage under Windows
- Older Applications under Windows
- Troubleshooting Memory Problems
- Flash Memory
- Soft Skills—Teamwork
- Chapter Summary
- Key Terms
- Review Questions
- Exercises
- Activities
-
Labs
- Lab 6.1 Examining Memory Resources Using Device Manager in Windows 7/8
- Lab 6.2 Examining Memory Resources Using Device Manager in Windows 10
- Lab 6.3 Using the System Information Tool in Windows 7 to View Memory
- Lab 6.4 Using the System Information Tool in Windows 8/10 to View Memory
- Lab 6.5 Using Windows 7 Task Manager to View Memory
- Lab 6.6 Using Windows 8/10 Task Manager to View Memory
-
7. Storage Devices
- Storage Devices Overview
- Hard Drive Overview
- Magnetic Hard Drive Geometry
- Solid State Drive (SSD) Overview
- Hard Drive Interfaces Overview
- Integrated Drive Electronics (IDE)
- Storage Device Configuration Overview
- PATA Physical Installation
- SATA Physical Installation
- SSD Physical Installation
- System BIOS/UEFI Configuration for Hard Drives
- Hard Drive Preparation Overview
- Partitioning
- How Drive Letters Are Assigned
- High-Level Formatting
- Windows Disk Management
- Fault Tolerance
- Removable Drive Storage
- Windows Storage Spaces
- Disk Caching/Virtual Memory
- Troubleshooting Storage Devices Overview
- Slow Performance
- Troubleshooting New Storage Device Installation
- Troubleshooting Previously Installed Storage Devices
- RAID Issues
- SSD Issues
- Soft Skills—Phone Skills
- Chapter Summary
- Key Terms
- Review Questions
- Exercises
- Activities
-
Labs
- Lab 7.1 Installing a Second PATA Hard Drive and Creating Two Volumes
- Lab 7.2 Installing a Second SATA Hard Drive and Creating Two Volumes
- Lab 7.3 Installing an External Hard Drive and Creating Two Volumes
- Lab 7.4 Installing a PATA/SATA Hard Drive with the Windows 7/8/10 Disk Management Tool, diskpart, and convert
- Lab 7.5 Striping and Spanning Using Windows
- Lab 7.6 Windows Vista Hard Disk Tools
- Lab 7.7 Windows 7 Hard Disk Tools
- Lab 7.8 Windows 8/10 Hard Disk Tools
- Lab 7.9 Windows 8/10 Storage Spaces
-
8. Multimedia Devices
- Multimedia Overview
- Optical Disk Drive Overview
- Optical Drive Features
- Optical Drive Interfaces and Connections
- Optical Drive Installation
- Troubleshooting Optical Drive Issues
- Preventive Maintenance for ODDs and Discs
- Introduction to Audio
- Theory of Sound Card Operation
- Installing Sound Cards
- Sound Cards Using Windows
- Speakers
- Troubleshooting Sound Problems
- Scanners
- Video Recording
- Installing and Configuring Other Peripheral Devices
- Soft Skills—Attitude
- Chapter Summary
- Key Terms
- Review Questions
- Exercise
- Activities
-
Labs
- Lab 8.1 Sound and Optical Drives in Windows
- Lab 8.2 Optical Drive Installation Lab
- Lab 8.3 DirectX Diagnostics in Windows 7, 8, or 10
- Lab 8.4 Installing a Sound Card and Speakers in Windows 7, 8, or 10
- Lab 8.5 Installing a USB Scanner
- Lab 8.6 Changing the Drive Letter of an Optical Drive Using the Disk Management and diskpart Utility
-
9. Video Technologies
- Video Overview
- Types of Video Output Devices
- Video Terminology and Theory
- LCD
- Video Ports and Cables
- Smart TV and Set Top Box Configuration
- Multiple Displays
- KVMs
- Projectors
- Display Preventive Maintenance
- Monitor Energy Efficiency
- Privacy
- Video Adapters
- Specialized Video Cards
- Video Memory
- Installing a Video Adapter
- Troubleshooting Video
- Soft Skills—Change Perspective When Troubleshooting
- Chapter Summary
- Key Terms
- Review Questions
- Exercises
- Activities
-
Labs
- Lab 9.1 Exploring Video in Windows 7
- Lab 9.2 Exploring Video in Windows 8
- Lab 9.3 Exploring Video in Windows 10
- Lab 9.4 Configuring a Second Monitor Attached to a Vista PC
- Lab 9.5 Configuring a Second Monitor Attached to a Windows 7 PC
- Lab 9.6 Configuring a Second Monitor Attached to a Windows 8/10 PC
- Lab 9.7 Determining the Minimum Video Memory Installed on a Vista PC
- Lab 9.8 Exploring Video Memory on a Windows 7, 8, or 10 Computer
- Lab 9.9 Using DirectX Diagnostics to Explore Video
-
10. Printers
- Printers Overview
- Printer Ports
- Categories of Printers
- Impact Printers
- Inkjet Printers
- Laser Printers
- Thermal Printers
- 3-D Printers
- Paper
- Virtual Printing
- Refilling Cartridges, Re-inking Ribbons, and Recycling Cartridges
- Upgrading Printers
- Printer Maintenance
- USB Printer Installation
- Installing a Local Printer
- Printers in the Windows Environment
- Printing Device Sharing
- Cloud Printing
- General Printer Troubleshooting
- USB-Attached Printer Troubleshooting
- Windows Printer Troubleshooting
- Impact Printer Troubleshooting
- Inkjet Printer Troubleshooting
- Laser Printer Troubleshooting
- Soft Skills—Work Ethics
- Chapter Summary
- Key Terms
- Review Questions
- Exercises
- Activities
- Labs
-
11. Mobile Devices
- Mobile Device Overview
- Using Mobile Devices
- Cell Phones
- Mobile Apps
- Mobile Device Wired Connectivity
- Mobile Device Wireless Connectivity
- Mobile Device Email Configuration
- Mobile Device Synchronization and Backup
- Other Mobile Software Tools
- Laptops Overview
- Laptop Hardware
- Laptop Power
- Laptop Repairs Overview
- Laptop System Board/Processor Replacement
- Laptop Keyboards/Touchpad
- Laptop Memory
- Laptop Storage
- Laptop Wireless Card Replacement
- Laptop DC Jack Replacement
- Mobile Device Sound
- Laptop Display
- Mobile Device Security
- Mobile Device Travel and Storage
- Mobile Device Troubleshooting Overview
- Mobile Device App Concerns
- Mobile Device Keyboard/Trackpad Issues
- Mobile Device Display Issues
- Mobile Device Power Issues
- Mobile Device Sound Issues
- Soft Skills—A Word about Appearance
- Chapter Summary
- Key Terms
- Review Questions
- Exercises
- Activities
- Labs
-
12. Computer Design and Troubleshooting Review
- Design Overview
- Computer System Design
- Motherboard and Associated Component Design
- Power Supply and Case Design
- Storage Subsystem Design
- Audio Subsystem Design
- Display Subsystem Design
- Mobility Design
- Troubleshooting Overview
- Identify the Problem
- Establish a Theory of Probable Cause
- Test the Theory to Determine Cause
- Establish a Plan of Action and Implement the Solution
- Verify Full System Functionality and Implement Preventive Measures
- Document Findings, Actions, and Outcomes and Provide Feedback
- Sample Troubleshooting Flowcharts
- Soft Skills—Dealing with Irate Customers
- Chapter Summary
- Key Terms
- Review Questions
- Exercises
- Activities
- Labs
-
13. Internet Connectivity
- Internet Connectivity Overview
- Modems Overview
- Serial Communication Overview
- How to Configure Traditional Serial Devices
- 56Kb/s Modems
- Fax Modems
- Digital Modems and ISDN
- VoIP
- Cable Modems
- xDSL Modems
- Troubleshooting Cable and DSL Modems
- Satellite Modems
- Modem Preventive Maintenance
- Mobile Connectivity
- Web Browsers
- Basic Web Browser Issues
- Soft Skills—Mentoring
- Chapter Summary
- Key Terms
- Review Questions
- Exercises
- Activities
- Labs
-
14. Networking
- Networking Overview
- Attaching to Different Types of Networks
- Network Topologies
- Network Media Overview
- Copper Media
- Fiber Media
- Protecting Your Network and Cable Investment
- Ethernet Concepts
- Ethernet over Power
- The OSI Model
- The TCP/IP Model
- Network Addressing
- IP Addressing
- Wireless Networks Overview
- Bluetooth
- Wireless Network Components
- Wireless Network Design
- Antenna Basics
- Wireless Network Standards
- Wired or Wireless NIC Installation
- NIC Configuration When Using Virtualization
- Wireless AP/Router Basic Configuration
- WWAN Cellular Configuration
- Network Troubleshooting
- Network Printers
- Network Printer Troubleshooting
- Network Servers
- Embedded and Legacy Systems
- Network Terminology
- The TCP/IP Model in Action
- Using the Network and Sharing Center Control Panel
- Introduction to Shared Folders
- Network Connectivity
- Cloud Technologies
- Soft Skills—Being Proactive
- Chapter Summary
- Key Terms
- Review Questions
-
Exercises
- Exercise 14.1 Wireless AP Paper Configuration
- Exercise 14.2 T568B Color Sequence
- Exercise 14.3 Network Device Recognition
- Exercise 14.4 Identifying Basic Wireless Network Parts
- Exercise 14.5 Wireless Network Case Study
- Exercise 14.6 Network Number and Broadcast Address Practice Lab
- Exercise 14.7 CIDR Notation Practice Lab
- Activities
-
Labs
- Lab 14.1 Creating a Straight-Through CAT 5, 5e, or 6 Network Patch Cable
- Lab 14.2 Creating a CAT 5, 5e, or 6 Crossover Network Cable
- Lab 14.3 Exploring NIC Properties with Windows 7, 8, or 10
- Lab 14.4 Networking with Windows 7, 8, or 10
- Lab 14.5 Connecting to a Windows Vista/7 Shared or Networked Printer
- Lab 14.6 Connecting to a Windows 8 Shared or Networked Printer
- Lab 14.7 Connecting to a Windows 10 Shared or Networked Printer
- Lab 14.8 Installing a Wireless NIC
- Lab 14.9 Configuring a Wireless Network
- Lab 14.10 FTP Server and Client
-
Part II: CompTIA 220-902 Exam Focus
-
15. Basic Windows
- Basic Operating Systems Overview
- Basic Windows Usage Overview
- Shortcuts and Tiles
- Recycle Bin
- Windows Vista/7 Desktop Components
- Windows 8 Desktop/Start Screen Components
- Windows 10 Desktop Components
- Interactions Within a Window
- Managing Windows Files and Folders
- Searches and Indexing
- Attributes, Compression, and Encryption
- Introduction to Windows Control Panels
- Determining the Windows Version
- Windows Registry
- Editing the Windows Registry
- Backing Up Data
- Recovering the Windows OS
- WinRE
- Virtualization Basics
- Command Prompt Overview
- Command Prompt Basics
- Moving Around from a Command Prompt
- The DIR Command
- The MD and RD Commands
- The DEL Command
- The TYPE Command
- Copying Files
- The ATTRIB Command
- Why Learn Commands?
- Command Format
- Soft Skills—Staying Current
- Chapter Summary
- Key Terms
- Review Questions
- Exercises
- Activities
-
Labs
- Lab 15.1 Windows Vista/7 Basic Usage
- Lab 15.2 Modifying the Windows Vista/7 Start Button
- Lab 15.3 Windows 8.1 Basic Usage—Introduction to the Start Screen
- Lab 15.4 Windows 8.1 Basic Usage—Introduction to PC Settings
- Lab 15.5 Windows 8.1 Basic Usage—Working with the Traditional Desktop and Control Panels
- Lab 15.6 Windows 10 Basic Usage—Introduction to the Start Screen
- Lab 15.7 Windows 10 Basic Usage—Introduction to Settings
- Lab 15.8 Windows 10 Basic Usage—Working with Control Panels
- Lab 15.9 Windows Vista/7 Taskbar Options
- Lab 15.10 Windows 8/8.1 Taskbar Options
- Lab 15.11 Windows 10 Taskbar Options
- Lab 15.12 Windows Vista/7 File and Folder Management
- Lab 15.13 Windows 8/10 File and Folder Management
- Lab 15.14 Windows Vista/7 File Extension
- Lab 15.15 Windows Vista/7/8/10 Attributes, Compression, and Encryption
- Lab 15.16 Using REGEDIT in Windows Vista/7/8/10
- Lab 15.17 Basic Commands from a Command Prompt
- Lab 15.18 The COPY, MD, DEL, and RD Commands
- Lab 15.19 The ATTRIB Command and Moving Around in the Directory Structure
- Lab 15.20 Windows 7/10 Backup Software and the Archive Bit
- Lab 15.21 Windows 7 Backup Tool
- Lab 15.22 Windows 8.1 File History Utility
- Lab 15.23 Windows 10 File History Utility
- Lab 15.24 Creating a Windows 7 System Repair Disc
- Lab 15.25 Creating a Windows 7 System Image Disc
- Lab 15.26 Creating a Windows 8.1/10 System Recovery Drive
- (Optional)
- Using the System Recovery Drive in Windows 8.1
-
16. Windows Vista, 7, 8, and 10
- Windows Vista/7/8/10 Overview
- Windows Vista/7/8/10 Versions
- Preinstallation of Windows
- Installation/Upgrade of Windows
- Corporate Windows Deployment
- Verifying the Installation
- Troubleshooting a Windows Installation
- Dual-Booting Windows
- Virtualization
- Reloading Windows
- Windows Updates
- Backing Up the Windows Registry and Data
- Configuring Windows Overview
- Configuring Windows
- Adding Devices
- Installing/Removing Software
- Microsoft Management Console
- System Tools
- Managing Storage
- Managing Services and Applications
- Data Sources (ODBC)
- Print Management Console
- Overview of the Windows Boot Process
- Speeding Up the Windows Boot Process
- Troubleshooting the Windows Boot Process
- WinRE
- Advanced Boot Options/Startup Settings Menu
- System Configuration Utility
- Task Manager
- Troubleshooting a Service That Does Not Start
- Windows Reboots
- Shutdown Problems
- Monitoring System Performance
- Supporting Windows Computers Remotely
- Preventive Maintenance for Your Operating System
- Soft Skills—Avoiding Burnout
- Chapter Summary
- Key Terms
- Review Questions
- Exercises
- Activities
-
Labs
- Lab 16.1 Windows 7 Installation
- Lab 16.2 Installing VMware Workstation
- Lab 16.3 Installing Windows into a VMware Workstation Virtual Machine
- Lab 16.4 Working with a VMware Workstation Virtual Machine
- Lab 16.5 Windows Registry Modification
- Lab 16.6 Windows 7 Backup
- Lab 16.7 Windows Update Utility
- Lab 16.8 Configuring Windows 7, 8, and 10 for Ease of Access
- Lab 16.9 Windows System Restore Utility
- Lab 16.10 Upgrading a Hardware Driver and Using Driver Roll Back
- Lab 16.11 Disabling a Hardware Driver
- Lab 16.12 Installing Hardware
- Lab 16.13 Installing and Removing Windows Components
- Lab 16.14 Microsoft Management Console
- Lab 16.15 Exploring Windows Boot Options
- Lab 16.16 Windows System Configuration Utility
- Lab 16.17 Halting an Application Using Task Manager
- Lab 16.18 Using Event Viewer
- Lab 16.19 Using Task Manager to View Performance
- Lab 16.20 Performance and Reliability in Windows 7, 8, and 10
- Lab 16.21 Windows Remote Desktop
- Lab 16.22 Windows Task Scheduler in Windows 7, 8, and 10
- Lab 16.23 Windows 8 Upgrade
- Lab 16.24 Windows 10 Upgrade
-
17. OS X and Linux Operating Systems
- Introduction to OS X
- Navigating the User Interface
- Basic System Usage, Updates, and Backups
- Management and Troubleshooting Tools
- Utilities
- Introduction to Linux
- Navigating the User Interface
- Basic System Usage, Updates, and Backups
- Command-Line Interface
- OS X and Linux Best Practices
- Soft Skills—Be Humble
- Chapter Summary
- Key Terms
- Review Questions
- Exercises
- Activities
- Labs
-
18. Computer and Network Security
- Security Overview
- Security Policy
- Physical Security
- Digital Security
- User Education
- Security Threats and Vulnerabilities
- Workgroups and Domains
- Protecting Access to Local and Network Resources
- Permissions
- Folder Options
- Protecting the Operating System and Data
- Internet Security
- Wireless Network Security Overview
- Wireless Authentication and Encryption
- Default Settings
- Wireless AP Installation Checklist
- Wireless Security Conclusion
- Wireless Network Troubleshooting
- Security Incident Reporting
- A Final Word About Security
- Soft Skills: Building Customer Trust
- Chapter Summary
- Key Terms
- Review Questions
- Exercises
- Activities
-
Labs
- Lab 18.1 Encrypting a File and Folder in Windows
- Lab 18.2 Using Windows 7/8/10 System Protection
- Lab 18.3 Sharing a Folder in Windows 7
- Lab 18.4 Sharing a Folder in Windows 8/10
- Lab 18.5 Creating a Local Security Policy for Passwords
- Lab 18.6 Creating a Local Security Policy for Passwords in Windows 8/10
- Lab 18.7 Windows Defender in Windows 7
- Lab 18.8 Windows Defender in Windows 8/10
- Lab 18.9 Sharing Files with Windows 8/10 Public Folders
- Lab 18.10 Configuring a Secure Wireless Network
-
19. Operational Procedures
-
Operational Procedures Overview
- Workplace Safety Precautions and Procedures
- OSHA
- Computer Disposal/Recycling
- Toner Safety and Disposal
- Proper Component Handling and Storage
- Battery Backup
- Step 1: Identify the Problem—Question the User/Perform Backups
- Step 2: Establish a Theory of Probable Cause (Question the Obvious)
- Step 3: Test Your Theory to Determine the Cause
- Step 4: Establish Your Plan of Action and Implement It
- Step 5: Verify Full System Functionality and if Applicable, Implement Preventive Measures
- Step 6: Document Findings, Actions, and Outcomes
- Communication Skills
- Chapter Summary
- Key Terms
- Review Questions
- Exercises
- Activities
-
Operational Procedures Overview
-
15. Basic Windows
- A. Subnetting Basics
- Glossary
- Index
- Code Snippets
Product information
- Title: Complete CompTIA A+ Guide to IT Hardware and Software, Seventh Edition
- Author(s):
- Release date: July 2016
- Publisher(s): Pearson IT Certification
- ISBN: 9780134393193
You might also like
book
Complete A+ Guide to IT Hardware and Software: A CompTIA A+ Core 1 (220-1001) & CompTIA A+ Core 2 (220-1002) Textbook, 8th Edition
Master IT hardware and software installation, configuration, repair, maintenance, and troubleshooting and fully prepare for the …
book
Complete A+ Guide to IT Hardware and Software: CompTIA A+ Exams 220-1101 & 220-1102, 9th Edition
Master IT hardware and software installation, configuration, repair, maintenance, and troubleshooting and fully prepare for the …
book
CompTIA A+ Complete Study Guide, 5th Edition
The Fifth Edition of the CompTIA A+ Complete Study Guide: Core 1 Exam 220-1101 and Core …
book
Networking Essentials: A CompTIA Network+ N10-007 Textbook, Fifth Edition
Thoroughly updated to reflect the CompTIA Network+ N10-007 exam, Networking Essentials, Fifth Edition is a practical, …