This updated and comprehensive course provides full coverage of the latest CompTIA A+ 220-1101 (Core 1) certification exam—an internationally recognized credential that validates essential IT skills. The course is structured around the official exam syllabus and thoroughly explores all five domains:
Domain 1.0 – Mobile Devices (15%): Learn the fundamentals of configuring, securing, and troubleshooting mobile devices.
Domain 2.0 – Networking (20%): Understand networking concepts, protocols, and infrastructure essential for IT environments.
Domain 3.0 – Hardware (25%): Gain hands-on knowledge of installing and maintaining computer hardware components.
Domain 4.0 – Virtualization and Cloud Computing (11%): Explore virtualization technologies and cloud computing fundamentals.
Domain 5.0 – Hardware and Network Troubleshooting (29%): Master diagnostic techniques for resolving common hardware and network issues.
Who should take this Course?
The CompTIA A+ 220-1101 (Core 1) Online Course is ideal for aspiring IT professionals, help desk technicians, technical support specialists, and field service technicians who want to build foundational skills in hardware, networking, mobile devices, and troubleshooting. It’s also suitable for individuals preparing for the CompTIA A+ 220-1101 certification exam and those starting a career in IT support or technical services. No prior IT experience is required, making it a great entry point into the technology field.
Course Table of Contents
All About the CompTIA A+
What Is the CompTIA A+?
Why Get CompTIA A+ Certified?
How to Take the A+ Exam
What's On the CompTIA A+ Core 1 (220-1101) Exam?
How to Pass the CompTIA A+ Exams
How to Use this Video Course
Book Chapter 1 - Safety and Professionalism
Tools of the Trade
Troubleshooting Theory
Book Chapter 2 - The Visible Computer
Primary PC Components
Touring a PC
What Is a Computer?
Book Chapter 3 - CPUs
What Is a CPU?
Modern CPUs
32-Bit Versus 64-Bit Computing
Choosing the Right CPU
CPU Generations and Architecture
CPU Cooling
Installing and Troubleshooting a CPU
Book Chapter 4 - RAM
RAM Technology
RAM Capacity
RAM Features
Virtual Memory
Installing and Troubleshooting RAM
Book Chapter 5 - Firmware
What Is BIOS?
POST
System Setup
Troubleshooting Firmware
Book Chapter 6 - Motherboards
Form Factors
Chipsets
Choosing the Right Motherboard
Installing and Troubleshooting a Motherboard
Book Chapter 7 - Power Supplies
The Power Supply
Choosing a Power Supply
Cooling Your System
Installing and Troubleshooting a PSU
Book Chapter 8 - Mass Storage Technologies
Introduction to Mass Storage
Magnetic Disk Drives
Solid-State Drives (SSDs)
SCSI
Book Chapter 9 - Implementing Mass Storage
RAID
Hardware RAID
Software RAID in Storage Spaces
Encrypting Mass Storage
Mass Storage Troubleshooting
Book Chapter 10 - Essential Peripherals
USB Standards
Understanding USB
Configuring USB
Thunder and Lightning
Optical Media
Readers and Scanners
Common Peripherals
Webcams and Videoconferencing
Installing and Troubleshooting Expansion Cards
Book Chapter 17 - Display Technologies
Monitor Technologies
LCD Breakdown
Graphics Cards and Connections
Resolutions and Aspect Ratios
Installing a Graphics Card
Multiple Monitors
Projectors
Troubleshooting Display Technologies
Book Chapter 18 - Essentials of Networking
Introduction to Networking
Hubs Versus Switches
Hexadecimal
WANs and Routers
Cables and Connectors
Crimping Cables
Structured Cabling
Network Card Troubleshooting
Book Chapter 19 - Local Area Networking
Introduction to TCP/IP
Dynamic IP Addressing
IPv6
Port Numbers
TCP, UDP, and ICMP
Understanding DNS
Working with DNS
Routers
Basic Router Configuration
Virtual LANs (VLANs)
Network Troubleshooting
Book Chapter 20 - Wireless Networking
Wireless Network Hardware
Wi-Fi Standards
It's a Huge Mesh
Enterprise Wireless
Beyond Wi-Fi
Troubleshooting Wireless Connections
Book Chapter 21 - The Internet
Beyond the LAN
Internet Tiers
Broadband Connections
Firewalls and Servers
E-Mail
Proxy Servers
Virtual Private Networks (VPNs)
Internet of Things (IoT)
Troubleshooting Internet Connections, Part 1
Book Chapter 22 - Virtualization
Understanding Virtualization
Your First Virtual Machine
Advanced Virtualization Setup
Cloud Computing
Cloud Ownership
Cloud-Based Applications
Book Chapter 23 - Portable Computing
Laptop Features
Laptop Hardware Troubleshooting - The Tools
Laptop Hardware - Core Hardware
Laptop Hardware - CPU and Motherboard
Touring Your Laptop Display
Book Chapter 24 - Mobile Devices
What Is a Mobile Device?
Mobile Connections
Touring Android
Virtual Reality
Book Chapter 25 - Maintaining and Securing Mobile Devices
Maintaining Mobile Devices
Mobile Devices and E-Mail
Mobile Synchronization
Mobile Device Security
Mobile Security Troubleshooting
Mobile Device Troubleshooting
Book Chapter 26 - Printers and Multifunction Devices