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CompTIA A+ Core 1 Overview

Jun 29, 2025

Overview

This course prepares students for the CompTIA A+ Core 1 (220-1101) certification exam, covering foundational IT, hardware, networking, mobile devices, cloud, and troubleshooting skills.

About CompTIA A+ Certification

  • CompTIA A+ is an industry-recognized, entry-level IT certification.
  • To be fully certified, you must pass both Core 1 (220-1101) and Core 2 (220-1102) exams.
  • Core 1 covers mobile devices, networking, hardware, virtualization, and troubleshooting.

Course Structure & Content

  • The course includes 15.5 hours of video, 1 practice test, and 21 downloadable resources.
  • Content is divided into 23 sections with 126 lectures, quizzes, and a practice exam.
  • Main topics: Safety, professionalism, visible computer components, CPUs, RAM, firmware, motherboards, power supplies, storage, networking, and troubleshooting.

Exam Domains and Coverage

  • Mobile Devices (15%): Laptops, tablets, smartphones, and device setup.
  • Networking (20%): Routers, switches, SOHO networks, IPv4/IPv6, DNS, VPNs, internet connections.
  • Hardware (25%): Cables, motherboards, CPUs, power supplies, RAM, drives, peripherals.
  • Virtualization/Cloud (11%): Cloud types (IaaS, SaaS, PaaS), cloud storage, virtualization.
  • Hardware & Network Troubleshooting (29%): Best practices, diagnosing and fixing common hardware and network issues.

Exam Details

  • Exam code: 220-1101; up to 90 questions, multiple choice and performance-based.
  • Exam length: 90 minutes; passing score: 675/900.
  • Exam is available in multiple languages and costs $239 (discounts available).

Recommended Prerequisites & Audience

  • No strict prerequisites, but 9-12 months of hands-on IT experience is recommended.
  • Designed for those seeking IT jobs, improving IT skills, or seeking foundational tech knowledge.

Key Terms & Definitions

  • CompTIA A+ — An entry-level IT certification covering foundational tech skills.
  • SOHO Network — Small Office/Home Office network setup.
  • RAID — Redundant Array of Independent Disks, a storage technology for redundancy and performance.
  • Virtualization — Using software to run multiple operating systems on one hardware device.
  • Cloud Computing — Delivery of computing services over the internet.
  • Firmware — Software programmed into hardware devices, such as BIOS/UEFI.

Action Items / Next Steps

  • Watch course videos and complete all quizzes and practice tests.
  • Review downloadable PDFs of exam objectives.
  • Gain hands-on experience with computer hardware and networks.
  • Schedule the Core 1 and Core 2 exams when ready for certification completion.