CompTIA A+ Core 1 (220-1201)
Blueprint-first A+ Core 1 guide covering the current 220-1201 domains, practical support lessons, and review appendices.
This guide turns CompTIA A+ Core 1 220-1201 into a real technician workflow instead of a loose list of ports, cables, and printer facts. Core 1 is still entry-level, but the questions usually reward candidates who can choose the right part, setting, standard, or first troubleshooting step without overreacting.
PBQ: Performance-based question that asks you to troubleshoot, sequence, match, or configure something instead of only picking one definition.
SOHO: Small office or home office environment, the scale CompTIA often uses for router, Wi-Fi, DHCP, and VPN questions.
Current exam snapshot
As of March 29, 2026, CompTIA’s current Core 1 page lists:
| Item |
Current CompTIA signal |
| Version |
V15 |
| Exam code |
220-1201 |
| Launch date |
March 25, 2025 |
| Question count |
Maximum of 90 |
| Exam style |
Single-response, multiple-response, drag-and-drop, and PBQ items |
| Duration |
90 minutes |
| Passing score |
675 on a 100-900 scale |
| Languages |
English, German, and Japanese |
| Recommended experience |
12 months in an IT support specialist role |
| Retirement model |
Usually three years after launch (estimated 2028) |
| Full-cert rule |
Core 1 and Core 2 must be passed from the same V15 series |
What Core 1 is really testing
CompTIA is not mainly testing whether you can memorize every connector name in isolation. It is testing whether you can:
- recognize the most likely component, standard, or setting from a realistic symptom
- understand which wired, wireless, storage, printer, or mobile detail actually matters
- troubleshoot in a calm order instead of replacing parts blindly
- apply support logic at the home, help-desk, and junior field-tech level
How this guide is structured
flowchart LR
S["Study Plan"] --> D["5 official domains"]
D --> L["Lesson pages"]
L --> C["Cheat Sheet and Glossary"]
C --> F["FAQ and Resources"]
What to notice:
- the chapter pages follow CompTIA’s official Core 1 domains directly
- the lesson pages split the broadest objective groups into clearer support-sized learning units
- the appendix pages help with review, but the lesson pages stay the main learning units
Coverage map for the current guide
| Domain |
Weight |
Lesson count |
Focus |
| 1. Mobile Devices |
13% |
4 |
laptops, accessories, mobile networking, and phone or tablet triage |
| 2. Networking |
23% |
4 |
ports, addressing, SOHO setup, Wi-Fi, cabling, and basic tools |
| 3. Hardware |
25% |
5 |
internal components, power, cooling, storage, connectors, and printers |
| 4. Virtualization and Cloud Computing |
11% |
2 |
hypervisors, VMs, VDI, thin clients, and cloud service models |
| 5. Hardware and Network Troubleshooting |
28% |
5 |
symptom-first diagnosis across PCs, mobile devices, printers, and networks |
Best entry path by background
If two answers both sound right
Use these tie-breakers:
- choose the least disruptive step that still tests the theory
- match the answer to the exact symptom boundary, not just the broad technology area
- protect physical basics before chasing advanced software explanations
- prefer the option that fits CompTIA’s support workflow rather than an enterprise-only design habit
Support pages
Use these pages beside the main lessons, not instead of them:
In this section
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CompTIA A+ Core 1 (220-1201) Study Plan
Use a practical 220-1201 study sequence built around the current Core 1 domains, hands-on drills, and mixed review.
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Study Mobile Devices for A+ Core 1 (220-1201)
Build the mobile-device support baseline A+ Core 1 expects for laptops, accessories, wireless settings, and handheld troubleshooting.
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Study Laptop and Mobile Hardware for A+ Core 1 (220-1201)
Learn the replaceable laptop and handheld components, common form factors, and support-first hardware decisions that A+ Core 1 expects.
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Study Mobile Ports, Accessories and Docking for A+ Core 1 (220-1201)
Match USB-C, Lightning, Bluetooth, NFC, docking, stylus, and mobile accessories to the real support need on A+ Core 1.
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Study Mobile Connectivity and Sync Settings for A+ Core 1 (220-1201)
Learn the Wi-Fi, Bluetooth, cellular, hotspot, tethering, and sync settings that drive many A+ Core 1 mobile support questions.
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Study Mobile Device Troubleshooting for A+ Core 1 (220-1201)
Diagnose the common battery, overheating, app, display, radio, and sync failures that A+ Core 1 tests on phones and tablets.
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Study Networking for A+ Core 1 (220-1201)
Build the ports, addressing, Wi-Fi, SOHO, and basic tooling baseline that A+ Core 1 uses in deployment and troubleshooting questions.
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Study Ports, Protocols and Common Services for A+ Core 1 (220-1201)
Learn the high-value network protocols, ports, and service behaviors that A+ Core 1 expects for support and SOHO troubleshooting.
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Study Addressing, TCP/IP and SOHO Foundations for A+ Core 1 (220-1201)
Use IPv4 settings, DHCP, DNS, gateways, NAT, and small-office router behavior the way A+ Core 1 expects.
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Study Wireless Standards, Encryption and SOHO Connectivity for A+ Core 1 (220-1201)
Learn the Wi-Fi generations, frequency bands, encryption choices, and small-office connectivity decisions that A+ Core 1 tests.
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Study Network Tools, Cabling and Basic Evidence for A+ Core 1 (220-1201)
Use the common network tools, cable types, and first-line support evidence that A+ Core 1 expects in SOHO troubleshooting.
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Study Hardware for A+ Core 1 (220-1201)
Build the component, connector, storage, power, and printer foundation that drives many A+ Core 1 questions.
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Study Motherboards, Firmware, CPUs and Memory for A+ Core 1 (220-1201)
Learn the board, socket, RAM, chipset, and firmware decisions that drive compatibility and startup behavior on A+ Core 1.
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Study Power, Cooling, Form Factors and Build Compatibility for A+ Core 1 (220-1201)
Use PSU, airflow, connector, and case-fit reasoning correctly on A+ Core 1 hardware installation and upgrade questions.
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Study Storage Devices, Interfaces and RAID Basics for A+ Core 1 (220-1201)
Separate drive types, form factors, interfaces, file systems, and RAID trade-offs the way A+ Core 1 expects.
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Study Cables, Connectors, Ports and Expansion Hardware for A+ Core 1 (220-1201)
Match display, storage, USB, network, and expansion connectors to the real requirement on A+ Core 1.
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Study Printers, Scanners and Peripheral Support for A+ Core 1 (220-1201)
Learn the printer technologies, laser process, maintenance parts, and support patterns that A+ Core 1 repeatedly tests.
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Study Virtualization and Cloud Computing for A+ Core 1 (220-1201)
Learn the compact virtualization and cloud support concepts that appear on A+ Core 1 without turning the domain into a deep cloud-cert detour.
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Study Hardware and Network Troubleshooting for A+ Core 1 (220-1201)
Use Core 1 troubleshooting logic across PC hardware, mobile devices, printers, wired networks, and Wi-Fi fault patterns.
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Study the Core Troubleshooting Method and Safety for A+ Core 1 (220-1201)
Use CompTIA's six-step troubleshooting process, safety habits, and least-intrusive support logic on A+ Core 1.
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Study PC Power, Boot, Storage and Display Issues for A+ Core 1 (220-1201)
Diagnose common desktop and laptop symptoms involving no power, boot failures, storage detection, and display problems on A+ Core 1.
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Study Mobile Device Fault Patterns for A+ Core 1 (220-1201)
Diagnose battery, heat, pairing, app, and mobile-connectivity failures with the symptom-first logic A+ Core 1 expects.
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Study Printer and Peripheral Fault Patterns for A+ Core 1 (220-1201)
Diagnose the repeatable printer, scanner, and external-device symptoms that A+ Core 1 uses in troubleshooting questions.
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Study Wired, Wireless and Internet Connectivity Issues for A+ Core 1 (220-1201)
Diagnose DHCP, DNS, APIPA, gateway, Wi-Fi, cabling, and SOHO internet failures with the applied logic A+ Core 1 expects.
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CompTIA A+ Core 1 (220-1201) Cheat Sheet
Use a high-yield A+ Core 1 review sheet for ports, Wi-Fi, storage, printers, mobile basics, and support-side troubleshooting logic.
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CompTIA A+ Core 1 (220-1201) Glossary
Review the A+ Core 1 terms, abbreviations, and high-confusion pairs that show up across hardware, networking, mobile, and troubleshooting questions.
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CompTIA A+ Core 1 (220-1201) FAQ
Get current A+ Core 1 answers on exam format, PBQs, study strategy, hardware emphasis, and the difference between Core 1 and Core 2.