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CompTIA A+ Exam Topic Library
Master the CompTIA A+ Core Curriculum
Every exam domain broken into focused study topics with practice questions and plain-English explanations.
- 4 Study Topics
- 100 Practice Questions
- Every answer explained
Featured Domain
Hardware and Device Fundamentals
Understand the purpose and compatibility of computing components, storage, peripherals, power, and device interfaces.
- 4 topics in this exam
- Free checkpoint quiz
Hardware and Device Fundamentals
Understand the purpose and compatibility of computing components, storage, peripherals, power, and device interfaces.
Study topic
Troubleshooting and Support Decisions
Use symptom scope, controlled comparisons, approved changes, verification, and clear support records.
Study topic
Operating Systems and Recovery
Practice permissions, processes, services, updates, virtualization, and reliable recovery reasoning.
Study topic
Networking and Connectivity
Trace address assignment, naming, local links, routing, wireless conditions, and application connectivity.
Study topic
Built for Passing
More than question dumps: a study loop that turns explanations into retained knowledge.
- 01
Study in Context
Each topic page explains the why behind the rules, not just the answers.
- 02
Drill With Feedback
Every practice question ends with a plain-English explanation.
- 03
Simulate Test Day
Timed, full-length practice tests mirror the real exam format.
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