Free Course — No signup required

CompTIA A+
in 5 Days

Hardware, networking, mobile devices, troubleshooting, and exam strategies — structured prep for the CompTIA A+ 220-1101/1102 exams.

5 lessons
Self-paced
~60 min/day
Free forever
No account needed
Start Day 1 — Free → See what's covered
What you'll learn

CompTIA A+ in 5 Days

Free 5-day CompTIA A+ prep course. Hardware, networking, mobile, troubleshooting, and exam strategies.

  • Identify and describe PC hardware components and form factors
  • Troubleshoot common hardware and OS failures
  • Configure networking essentials: IP, DNS, DHCP, Wi-Fi
  • Support mobile devices and understand cloud concepts
  • Implement basic security practices and access controls
  • Use proven exam strategies to pass 220-1101 and 220-1102
220-1101
Core 1
220-1102
Core 2
5
lessons
$0
cost
5-Day Curriculum

Every lesson has a real exercise.
No theory without practice.

01
Hardware Fundamentals
CPUs, RAM, storage, motherboards, PSUs, form factors, peripheral interfaces
CPURAMstorage types
→
02
Networking Essentials
OSI model for A+, TCP/IP basics, Wi-Fi, cable types, ports, SOHO setup
TCP/IPWi-Ficable types
→
03
Mobile & Virtualization
Android vs iOS, MDM, synchronization, cloud computing models (IaaS/SaaS/PaaS)
MDMiOS/Androidcloud models
→
04
Troubleshooting Methodology
CompTIA's 6-step process, boot issues, OS errors, connectivity, printer problems
troubleshooting stepsPOSTBSOD
→
05
Exam Prep & Security Basics
220-1102 OS/security topics, practice questions, test-taking strategies
exam strategymalware typesWindows OS
→
Get notified

Get the full course in your inbox

Optional. Each lesson delivered daily + updates when we add new content.

Free forever. Unsubscribe anytime. No spam.

Your instructor
B
Bo Peng
Founder, Precision AI Academy

Kaggle Top 200 data scientist. Trained 400+ professionals across universities and federal agencies. Built production systems at scale. This course is practical first — every lesson has working examples and an exercise you can finish in under an hour.

Want to go deeper in 2 days?

Our in-person AI bootcamp covers advanced topics, hands-on labs, and production deployment. Five cities. $1,490.

Reserve Your Seat →