CompTIA A+ Certification Practice Test 3 (Exam 220-902)
This practice test is designed to prepare candidates for the CompTIA A+ 220-902 exam, which is the second of the two exams required to earn the A+ certification under the 900 series. The 220-902 exam focuses on installing and configuring operating systems, including Windows, macOS, Linux, iOS, and Android. It also covers security fundamentals, software troubleshooting, cloud computing concepts, and operational procedures. This practice test simulates the style and difficulty of the actual exam, with questions covering all five official domains: Windows Operating Systems (29%), Other Operating Systems & Technologies (12%), Security (22%), Software Troubleshooting (24%), and Operational Procedures (13%). Topics include Windows installation and upgrades, command-line tools, Control Panel utilities, macOS and Linux features, client-side virtualization, cloud service models, mobile operating system features, security threats and prevention methods, workstation security best practices, mobile device security, data destruction methods, SOHO network security, PC operating system troubleshooting, common security issues, mobile OS troubleshooting, safety procedures, environmental controls, professionalism, communication techniques, and the troubleshooting theory. Detailed answer explanations help you understand each concept and identify areas needing further study. This practice test is ideal for candidates who have completed their study of the 220-902 objectives and want to assess their readiness before scheduling the real exam.
Document information
- Uploaded on
- October 7, 2026
- Number of pages
- 7
- Written in
- 2026/2027
- Type
- Exam (elaborations)
- Contains
- Questions & answers