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CompTIA A+ Core 1 Certification

220-1201 · 5 domains

Last updated: March 31, 2026

Exam Syllabus & Domains

The CompTIA A+ Core 1 certification exam covers the following domains. Focus your training time proportionally to each domain's weight.

Domain 1 13%

Mobile Devices

  • 1.1 Given a scenario, install and configure mobile device hardware and components
  • 1.2 Compare and contrast accessories and connectivity options for mobile devices
  • 1.3 Given a scenario, configure basic mobile device network connectivity and application support
  • 1.4 Compare and contrast mobile device management concepts
LCD vs OLED DisplaysTouch Screen DigitizersMobile Device AccessoriesNFC and BluetoothGPS and CellularMobile Device PortsWearable TechnologyDevice Disassembly
Domain 2 23%

Networking

  • 2.1 Compare and contrast TCP and UDP ports, protocols, and purposes
  • 2.2 Compare and contrast common networking hardware
  • 2.3 Explain wireless networking protocols and configurations
  • 2.4 Given a scenario, configure SOHO network settings
TCP vs UDPIPv4 vs IPv6DNS and DHCPSOHO Router ConfigurationWireless Standards (Wi-Fi 6)Network Cable TypesSubnet MasksDefault GatewayNAT and Port Forwarding
Domain 3 25%

Hardware

  • 3.1 Explain basic cable types and their connectors, features, and purposes
  • 3.2 Given a scenario, install and configure appropriate RAM
  • 3.3 Given a scenario, select and install appropriate storage devices
  • 3.4 Given a scenario, install and configure motherboards, CPUs, and add-on cards
Motherboard Form FactorsCPU ArchitectureRAM Types (DDR4/DDR5)SSD vs HDDRAID Levels (0, 1, 5, 10)Power Supply UnitsPeripheral ConnectorsBIOS vs UEFILaser vs Inkjet Printers
Domain 4 11%

Virtualization and Cloud Computing

  • 4.1 Summarize cloud computing concepts
  • 4.2 Compare and contrast cloud service models (IaaS, PaaS, SaaS)
  • 4.3 Summarize virtualization concepts and client-side virtualization
IaaS vs PaaS vs SaaSHypervisor Types (1 and 2)Virtual Machine SetupCloud Deployment ModelsShared ResourcesRapid ElasticityMetered ServicesSandbox Testing
Domain 5 28%

Hardware and Network Troubleshooting

  • 5.1 Given a scenario, apply the troubleshooting methodology
  • 5.2 Given a scenario, troubleshoot motherboards, RAM, CPU, and power issues
  • 5.3 Given a scenario, troubleshoot storage devices and RAID arrays
  • 5.4 Given a scenario, troubleshoot video, projector, and display issues
  • 5.5 Given a scenario, troubleshoot common network connectivity issues
CompTIA Troubleshooting MethodologyPOST and Boot ErrorsBlue Screen of DeathOverheating SymptomsNetwork Connectivity IssuesDisplay ProblemsStorage Failure SignsPower IssuesPeripheral Troubleshooting

Where to Focus Your Study Time

Domains with higher weight have more exam questions — allocate your study hours accordingly.

D1 Mobile Devices
13%
D2 Networking
23%
D3 Hardware
25%
D4 Virtualization and Cloud Computing
11%
D5 Hardware and Network Troubleshooting
28%

Study Tips

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Practice Quiz

Test your knowledge with free practice questions

Practice Quiz

Test your knowledge before the exam with our free practice quiz.

Take the CompTIA A+ Core 1 Practice Quiz

Related Comparisons

Not sure if CompTIA A+ Core 1 is the right choice? Compare it with similar certifications:

A+ vs Network+

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Frequently Asked Questions

What is the CompTIA A+ Core 1 certification?

The CompTIA A+ Core 1 (220-1201) is a professional IT certification that validates your knowledge and skills in the exam domains covered. It is recognized globally by employers and is a valuable credential for career advancement in cybersecurity and IT.

What does the CompTIA A+ Core 1 certification syllabus cover?

The CompTIA A+ Core 1 exam syllabus covers 5 domains. Each domain is weighted differently, so focus your training on higher-weighted domains first. Review the complete domain breakdown above for objectives and key concepts.

How should I study for CompTIA A+ Core 1?

Create a structured study plan covering all exam domains, use practice tests to identify weak areas, and review key concepts regularly. A fillable study planner can help you organize your training with weekly schedules and progress tracking.

How long does it take to prepare for CompTIA A+ Core 1?

Preparation time varies by experience level. Most candidates spend 8-12 weeks of dedicated training. Using a structured study planner with domain-by-domain breakdown helps ensure you cover all certification objectives efficiently.