CompTIA A+ 220-902: Common Troubleshooting and Security Practices

This course is aimed at entry level IT professionals of less than one year of experience, and may also be useful as a review for veteran professionals who are attempting the CompTIA A+ exam, or deploying a technology that may be new to their organization.


Expected Duration
109 minutes

This course covers troubleshooting and security principles along with security practices commonly implemented within an IT infrastructure. In addition, you’ll explore software and physical security, data destruction and disposal, as well as wireless network security. Finally, the course will cover an introduction to the troubleshooting methodology.


Data Destruction and Disposal Methods

  • start the course
  • describe data destruction and disposal method

Securing SOHO Wireless Networks

  • describe securing SOHO wireless network

Troubleshooting Methodology

  • describe system checklist
  • describe how to check for common issues
  • describe troubleshooting

System File Checker

  • describe backup
  • describe task manager
  • describe computer management console
  • describe blue screen errors
  • describe device failure
  • describe boot errors

Physically Secure Computers

  • describe how to physically secure computers
  • describe how to install service packs
  • describe why to use malware prevention
  • describe how to quarantine infected systems

Practice: Using Task Manager

  • implement using task manager





Multi-license discounts available for Annual and Monthly subscriptions.