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CompTIA A+ Exam Resources

Jul 21, 2025

Overview

This page introduces a CompTIA A+ Certification Practice Test for the 220-1201 (Core 1) exam, with additional links to related free practice quizzes and resources.

5V Rail PC Components

  • USB ports and USB devices are examples of PC components powered by the 5V voltage rail.
  • Graphics cards, RAM slots, and CPUs typically use other voltage rails, not 5V directly.

CompTIA A+ Core 1 & Core 2 Practice Resources

  • Core 1 (220-1101/220-1201) and Core 2 (220-1102/220-1202) practice tests are available on the site.
  • Specialized quizzes cover topics such as mobile devices, network protocols, display devices, RAM, storage devices, motherboards, CPUs, BIOS, power supplies, printers, virtualization, cloud computing, and troubleshooting.
  • Exam acronym quizzes are available for both Core 1 and Core 2 objectives.

Exam Objectives and Study Materials

  • Official exam objectives PDF documents are linked for both Core 1 (220-1101, 220-1201) and Core 2 (220-1102, 220-1202) exams.
  • Additional resources include practice tests organized by specific exam topics.

Key Terms & Definitions

  • 5V Rail — A voltage supply line in a PC power supply that provides 5 volts, commonly used by USB ports and devices.
  • Core 1 (220-1201) — The hardware, networking, and troubleshooting-focused portion of the CompTIA A+ exam.
  • Core 2 (220-1202) — The operating system, security, and software troubleshooting portion of the CompTIA A+ exam.

Action Items / Next Steps

  • Review which PC hardware components use the 5V rail, especially for the CompTIA A+ exam.
  • Utilize linked practice quizzes by topic to target specific areas for the Core 1 and Core 2 exams.
  • Download and study the official exam objectives PDFs for comprehensive coverage of required knowledge.