220-1201 Verified 2026 Edition

CompTIA A+ Certification Exam: Core 1Practice Test

Master the Comptia A+ Certification Exam: Core 1 with the official PlanetCert Practice Test. Access real exam questions, professional-grade detailed explanations, and our advanced adaptive simulator. Pass your certification exam on the first attempt.

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Exam Information

Official specifications published by CompTIA

Exam Format

90 min
Up to 90
675 on a scale of 100-900
Entry-Level

Registration

$239 USD
Pearson VUE or online proctoring
English

Validity

Earn 20 Continuing Education Units (CEUs) within 3 years; Pass a higher-level CompTIA certification (e.g., Network+, Security+); Complete CompTIA CertMaster CE courses

220-1201 Exam Topics and Domains

220-1201 is organized into 5 weighted domains. Expect to work with Network diagnostics, Network management, Performance testing, Remote access, and more.

1

Mobile Devices

13%

Install and configure laptop hardware and components

Hardware components
  • Install and replace laptop batteries
  • Replace and configure laptop keyboards
  • Upgrade laptop RAM
  • Migrate from HDD to SSD
  • Install wireless network cards
  • Configure biometric security

Compare and contrast the display components of mobile devices

Display types and technologies
  • Compare LCD and OLED technologies
  • Identify display components
  • Understand touchscreen and digitizer functionality
  • Troubleshoot display and backlight issues

Set up and configure accessories and ports of mobile devices

Connection methodsAccessoriesNEW: Mobile device management (MDM)
  • Configure mobile device ports and connections
  • Set up mobile accessories
  • Implement MDM policies (NEW)
  • Configure eSIM devices (NEW)
  • Establish mobile hotspots

Configure basic mobile-device network connectivity and application support

Wireless/cellular data networkBluetooth configurationEmail configurationSynchronization
  • Configure cellular data networks
  • Set up Bluetooth connections
  • Configure email clients on mobile devices
  • Implement device synchronization
  • Troubleshoot connectivity issues
2

Networking

23%

Compare and contrast Transmission Control Protocol (TCP) and User Datagram Protocol (UDP) ports, protocols, and their purposes

Ports and protocols
  • Identify common TCP and UDP ports
  • Explain protocol purposes
  • Compare TCP and UDP characteristics
  • Troubleshoot port-based connectivity issues

Compare and contrast common networking hardware

Network devices
  • Identify network hardware devices
  • Compare managed and unmanaged switches
  • Explain PoE functionality
  • Understand SDN concepts

Compare and contrast protocols for wireless networking

Wireless standards
  • Compare 802.11 wireless standards
  • Identify appropriate frequencies and channels
  • Configure wireless protocols
  • Troubleshoot wireless connectivity

Summarize services provided by networked hosts

Server roles
  • Explain DNS and DHCP services
  • Identify file and print server roles
  • Understand AAA services
  • Configure basic network services

Install and configure basic wired/wireless small office/home office (SOHO) networks

IP addressingSOHO router configuration
  • Configure IPv4 and IPv6 addressing
  • Set up SOHO routers securely
  • Implement port forwarding and NAT
  • Configure wireless networks
  • Troubleshoot SOHO network issues

Compare and contrast common network configuration concepts

Network concepts
  • Configure DHCP reservations
  • Explain VLAN functionality
  • Set up VPN connections
  • Troubleshoot DNS issues

Compare and contrast Internet connection types, network types, and their features

Internet connection typesNetwork types
  • Compare Internet connection types
  • Identify network types
  • Explain connection characteristics
  • Choose appropriate connection for scenarios

Use networking tools

Network testing tools
  • Use cable crimping and testing tools
  • Perform WiFi site surveys
  • Troubleshoot with tone generators
  • Test network connectivity with loopback plugs
3

Hardware

25%

Explain basic cable types and their connectors, features, and purposes

Network cablesPeripheral cables
  • Identify cable types and connectors
  • Compare cable speeds and bandwidths
  • Select appropriate cables for scenarios
  • Understand wiring standards

Install the appropriate RAM

RAM types and characteristics
  • Identify RAM types
  • Install RAM correctly
  • Configure dual-channel memory
  • Troubleshoot RAM issues

Select and install storage devices

Storage technologies
  • Compare HDD and SSD technologies
  • Install M.2 and NVMe drives
  • Configure RAID arrays
  • Select appropriate storage for use cases

Install and configure motherboards, central processing units (CPUs), and add-on cards

Motherboard componentsCPU characteristicsExpansion cards
  • Install motherboards correctly
  • Install and configure CPUs
  • Add expansion cards
  • Configure BIOS/UEFI settings

Install or replace the appropriate power supply

Power supply characteristics
  • Calculate power supply requirements
  • Install power supplies
  • Connect power cables correctly
  • Troubleshoot power issues

Deploy and configure multifunction devices/printers and settings

Printer types and technologiesPrinter connectivityPrinter configuration
  • Install and configure printers
  • Set up network printing
  • Configure printer settings
  • Perform printer maintenance

Install and replace printer consumables

Imaging components
  • Replace toner and ink cartridges
  • Replace printer imaging components
  • Perform routine maintenance
  • Troubleshoot consumable issues
4

Virtualization and Cloud Computing

11%

Summarize cloud-computing concepts

Cloud deployment modelsCloud service modelsCloud characteristics
  • Compare cloud deployment models
  • Identify cloud service models
  • Explain cloud characteristics
  • Select appropriate cloud solutions

Summarize aspects of client-side virtualization

Virtualization purposesResource requirements
  • Explain virtualization concepts
  • Configure virtual machines
  • Allocate resources to VMs
  • Understand hypervisor types
5

Hardware and Network Troubleshooting

28%

Apply the best practice methodology to resolve problems

Troubleshooting methodology
  • Apply systematic troubleshooting methodology
  • Document troubleshooting steps
  • Verify solutions
  • Communicate with users effectively

Troubleshoot problems related to motherboards, RAM, CPU, and power

Common symptoms
  • Diagnose motherboard issues
  • Troubleshoot RAM problems
  • Identify CPU failures
  • Resolve power supply issues

Troubleshoot and diagnose problems with storage drives and RAID arrays

Storage symptoms
  • Diagnose hard drive failures
  • Troubleshoot RAID arrays
  • Use S.M.A.R.T. diagnostics
  • Resolve storage performance issues

Troubleshoot video, projector, and display issues

Display symptoms
  • Troubleshoot display problems
  • Diagnose projector issues
  • Resolve video card problems
  • Fix cable and connection issues

Troubleshoot common issues with mobile devices

Mobile device symptoms
  • Diagnose mobile device issues
  • Troubleshoot battery problems
  • Fix connectivity issues
  • Resolve touchscreen problems

Troubleshoot and resolve printer issues

Printer symptoms
  • Troubleshoot print quality issues
  • Resolve paper feed problems
  • Fix printer connectivity issues
  • Diagnose imaging problems

Troubleshoot problems with wired and wireless networks

Network symptoms
  • Diagnose network connectivity issues
  • Troubleshoot wireless problems
  • Resolve network performance issues
  • Identify and eliminate interference

How do I earn this certification?

Passing 220-1201 earns the CompTIA A+ certification. It sits in the IT Fundamentals and Support track.

Current Level Exams
220-1202 - CompTIA A+ Core 2Must be from same version as Core 1 (v15)
Next Level Options
Alternative Paths

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How to study for this exam?

The most effective way to prepare for 220-1201 is by using the PlanetCert Simulator to practice questions and review detailed explanations.

What's changed on this exam?

Current Status
  • ACTIVE
  • Last content update: 2025-03-25
  • Announcement date: 2024-12-15
Updates
  • Mobile Device Management (MDM) New in v15 New topic 1.3 emphasizes MDM configurations and policies
  • USB 4 New in v15 Added to topic 3.1 - Cable types and connectors
  • Thunderbolt 4 New in v15 Added to topic 3.1 - Peripheral cables
  • DDR5 RAM New in v15 Added to topic 3.2 - RAM installation
  • Wi-Fi 6 (802.11ax) Updated in v15 Enhanced coverage in topic 2.3 - Wireless protocols
  • eSIM New in v15 New coverage in topic 1.3 - Mobile device setup

Who should take this exam?

This exam is typically taken by IT support specialists and Help desk technicians.

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