The CompTIA A+ Core 2 (220-1202) V15 course delves into the software, security, and service layers essential for a technician’s toolkit. Covering areas such as operating systems, security, software troubleshooting, and operational procedures, the class provides comprehensive training. You will explore the installation and management of Windows, macOS, Linux, and mobile systems, alongside the use of command-line tools. Security concepts are integrated into everyday tasks, focusing on threat mitigation and system hardening. Troubleshooting guidance addresses crashes, malware, and performance issues across various platforms, while operational practices emphasize documentation, change management, backups, safety protocols, scripting, and professional communication. Successfully passing this 90-question exam with a score of 700 out of 900, along with the Core 1 exam, earns the complete CompTIA A+ certification, demonstrating your capability to secure, maintain, and support systems in real-world scenarios.