Professor Messer's CompTIA 220-1201 A+ Study Group - October 2025

Are you ready to get A+ certified? Watch our free training course:

In this month's A+ Core 1 Study Group, you'll learn about:

• Visually recognizing cables and interfaces
• Using a loopback plug
• Authentication protocols on a wireless network
• A more efficient RAM upgrade
• Operating systems on cloud servers
• And more

Keep the study process going! Watch additional A+ Study Group video replays on the Professor Messer website.