About This Certification

CompTIA A+ is the industry's leading vendor-neutral IT certification for entry-level technicians. It validates the skills required to support today's core technologies — hardware, networking, operating systems, security, and troubleshooting — across mobile devices, PCs, IoT, cloud, and virtualization.

Exam Overview

CompTIA A+ requires passing two exams: Core 1 (220-1101) and Core 2 (220-1102). Each exam contains up to 90 questions with a 90-minute time limit. Question types include multiple-choice and performance-based. A minimum score of 675/900 (Core 1) and 700/900 (Core 2) is required.

Exam Domains & Weighting

Domain	Description	Weight
Mobile Devices (Core 1)	Laptop hardware, mobile device connectivity, mobile device management, and accessories	15.0%
Networking (Core 1)	TCP/IP networking, wireless protocols, SOHO networking, internet connection types, and tools	20.0%
Hardware (Core 1)	CPU, RAM, storage devices, motherboards, power supplies, display components, and peripheral installation	25.0%
Virtualization & Cloud Computing (Core 1)	Cloud deployment models, virtualization concepts, and purpose of virtual machines	11.0%
Hardware & Network Troubleshooting (Core 1)	Troubleshooting methodology, hardware issues, RAID levels, and network connectivity problems	29.0%
Operating Systems (Core 2)	Windows OS features, command-line tools, macOS/Linux basics, and mobile OS	31.0%
Security (Core 2)	Physical security, logical security concepts, wireless security protocols, and malware removal	25.0%
Software Troubleshooting (Core 2)	Troubleshooting applications, OS issues, security issues, and mobile device problems	22.0%
Operational Procedures (Core 2)	Documentation, change management, scripting, remote access tools, and professionalism	22.0%