CompTIA Certification

CompTIA A+ Core 1 (220-1201)

Master hardware, networking, and troubleshooting with an AI coach that drills you on real help desk scenarios. 17 topics covering all 5 exam domains.

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Why Study with Ari

Real IT Scenarios

No flashcards. Ari teaches through help desk tickets and troubleshooting walkthroughs — the way you'll actually use this knowledge.

Targets Your Gaps

Already know subnetting? Skip it. Confused by RAID levels? Ari digs deep until it clicks.

Exam-Style Questions

Practice with scenario-based questions that mirror real PBQs and multiple-choice format.

Track Readiness

See your mastery level per topic. Know when you're ready to schedule the exam.

What the Exam Covers

Five domains. Hardware, networking, mobile, cloud, and troubleshooting.

Mobile Devices
13%

Laptop hardware, displays, connectivity, MDM, BYOD, device synchronization

Networking
23%

TCP/IP, ports, Wi-Fi 6E, DNS, DHCP, SOHO setup, cabling, network tools

Hardware
25%

RAM, storage, RAID, motherboards, CPUs, power supplies, printers

Virtualization & Cloud
11%

VMs, hypervisors, containers, VDI, IaaS/PaaS/SaaS, cloud models

Troubleshooting
28%

Methodology, hardware/storage/display/network diagnostics and resolution

17 Topics. Complete Coverage.

Every exam objective mapped to a conversation with Ari.

Mobile Devices (13%)
1. Laptop Hardware, Displays & Components

Install, configure, and replace laptop hardware components including batteries, displays (LCD, OLED, Mini-LED), cameras,...

Mobile Devices (13%)
2. Mobile Accessories, Connectivity & Ports

Compare and contrast accessories and connectivity options for mobile devices including USB-C, Lightning, Thunderbolt, NF...

Mobile Devices (13%)
3. Mobile Networking, MDM & Synchronization

Configure mobile device network connectivity including cellular (4G/5G), Wi-Fi, and location services. Apply Mobile Devi...

Networking (23%)
4. TCP/UDP Ports & Protocols

Compare and contrast common TCP and UDP ports, protocols, and their purposes. Understand how protocols like HTTP, HTTPS,...

Networking (23%)
5. Wireless Technologies & Wi-Fi Standards

Explain wireless networking technologies including 802.11 standards, frequency bands (2.4GHz, 5GHz, 6GHz), channels, enc...

Networking (23%)
6. Network Services, DNS & DHCP Configuration

Summarize services provided by networked hosts (DNS, DHCP, file servers, print servers, proxy). Explain DNS record types...

Networking (23%)
7. Network Hardware & SOHO Configuration

Compare and contrast networking hardware devices including routers, switches, access points, firewalls, and PoE. Configu...

Networking (23%)
8. Network Cabling, Connectors & Tools

Identify network cable types (copper, fiber), connectors, and their appropriate use cases. Use networking tools includin...

Hardware (25%)
9. RAM, Storage Devices & RAID

Compare and contrast RAM types (SODIMM, DIMM, DDR generations, ECC), storage devices (HDD, SSD, NVMe), form factors (M.2...

Hardware (25%)
10. Motherboards, CPUs & Add-on Cards

Install and configure motherboards (ATX, microATX, ITX form factors), CPUs (x86/x64, ARM, cores, cooling), and expansion...

Hardware (25%)
11. Power Supplies, Printers & Multifunction Devices

Install appropriate power supplies based on wattage, efficiency, and connector types. Deploy, configure, and maintain mu...

Virtualization & Cloud Computing (11%)
12. Virtualization: VMs, Hypervisors & Containers

Explain virtualization concepts including virtual machines, sandboxes, and test environments. Compare Type 1 and Type 2 ...

Virtualization & Cloud Computing (11%)
13. Cloud Models, Services & Characteristics

Summarize cloud computing concepts including deployment models (public, private, hybrid, community), service models (Iaa...

Hardware & Network Troubleshooting (28%)
14. Troubleshooting Methodology & Hardware Issues

Apply the CompTIA troubleshooting methodology to diagnose and resolve hardware issues. Troubleshoot motherboard, RAM, CP...

Hardware & Network Troubleshooting (28%)
15. Troubleshooting Storage & RAID Issues

Diagnose and resolve storage device problems including drive failures, S.M.A.R.T. warnings, RAID degradation, boot devic...

Hardware & Network Troubleshooting (28%)
16. Troubleshooting Displays, Mobile Devices & Printers

Troubleshoot video, display, and projector issues (dead pixels, burn-in, dim image, no display). Diagnose mobile device ...

Hardware & Network Troubleshooting (28%)
17. Troubleshooting Network Connectivity

Troubleshoot wired and wireless network connectivity issues including intermittent connections, slow speeds, high latenc...

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Hey! 👋 I'm Ari — your AI coach for CompTIA A+ Core 1. I teach hardware, networking, and troubleshooting through conversation, not textbooks. Ask me how it works or what the exam is like.

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Career Ladder

A+ is the first step on the CompTIA IT certification path.

A+ Core 1 — You Are Here

Hardware, networking, cloud, troubleshooting. First of two exams for A+ certification. Entry to help desk and field tech roles.

A+ Core 2 — Next Exam

OS, security, software troubleshooting, operations. Pass both → A+ certified. Desktop support and IT specialist roles.

Network+ → Security+

The CompTIA trifecta. Network admin, security analyst, systems administrator. DoD 8570 baseline.

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