Domain 1: Operating Systems

CompTIA A+ Core 2 (220-1102) · this domain is approximately 31.0% of the exam · 0 practice questions.

The Operating Systems domain on the CompTIA A+ Core 2 (220-1102) exam covers installation, configuration, and management of Windows, macOS, Linux, and mobile operating systems. Candidates must know how to navigate administrative tools, manage users and file systems, configure networking settings, and troubleshoot common OS-level failures. This is the largest domain on the exam, reflecting how central OS knowledge is to the daily work of a desktop and mobile support technician.

Practice questions from this domain

The full CompTIA A+ Core 2 (220-1102) bank includes 505 questions across every domain, each with a verified answer and a written explanation.