Passing the CompTIA A+ Core 1 exam (220-1101) requires more than cramming. It demands a structured, strategic approach across five diverse domains—from mobile devices and networking to hardware components and troubleshooting methodology.
This week-by-week study plan breaks down all 5 domains across 6 weeks, assuming 10–12 hours of study per week. Whether you're preparing for entry-level IT support or advancing your career, this roadmap will keep you on track, help you build momentum, and guide you toward that crucial 75% passing score (675/900).
The A+ Core 1 Exam at a Glance
Before we dive into the weekly plan, let's review what you're preparing for:
- Format: Up to 90 multiple-choice questions and performance-based questions (PBQs)
- Time Limit: 90 minutes
- Passing Score: 675 out of 900 (~75%)
- Content: 5 domains with varying weights
The five domains don't carry equal weight. Hardware dominates at 25%, followed by Troubleshooting at 29%. Your study schedule must reflect this reality—you'll spend more time on these heavy-hitters while still mastering all domains.
The 5 Domains: What You Need to Master
Domain 1: Mobile Devices (15%) Covers laptop hardware, mobile device types, and connectivity standards like Bluetooth, cellular, and Wi-Fi.
Domain 2: Networking (20%) Focuses on TCP/IP, ports and protocols, networking hardware, wireless standards, and network services.
Domain 3: Hardware (25%) The largest domain. Includes motherboards, RAM, storage devices, CPUs, power supplies, peripherals, and printers.
Domain 4: Virtualization and Cloud Computing (11%) Virtual machines, cloud deployment models (IaaS, PaaS, SaaS), and cloud characteristics.
Domain 5: Hardware and Network Troubleshooting (29%) Troubleshooting methodology, diagnosing hardware issues, and resolving networking problems. This domain is exam-heavy.
Your 6-Week Study Plan
Week 1: Mobile Devices + Hardware Foundations
Focus: Domain 1 (Mobile Devices) and the foundation of Domain 3 (Hardware)
What to Study:
- Mobile device types (laptops, tablets, smartphones)
- Laptop components and upgrades (RAM, storage, batteries)
- Mobile device connectivity: Bluetooth, NFC, cellular (3G/4G/5G), Wi-Fi
- Introduction to motherboards, CPUs, and basic hardware terminology
- Hands-on: If you have an old computer or laptop, open it up and identify key components. Familiarize yourself with what a motherboard, RAM stick, and storage drive actually look like.
Practice Target: 30–40 questions from Domains 1 and 3
Milestone: You should be comfortable explaining the difference between LTE and 5G, and you should recognize motherboard components when you see them.
Time Commitment: 10–12 hours
Week 2: Storage, CPUs, RAM, and Printers
Focus: Core Domain 3 content (the bulk of the Hardware domain)
What to Study:
- Storage devices: HDDs vs. SSDs, form factors (2.5", 3.5", M.2), NVMe, RAID concepts
- RAM: DDR3, DDR4, DDR5, capacity and speed
- CPUs: Socket types, core count, hyperthreading, thermal management
- Cooling solutions and thermal paste
- Power supplies: Wattage, modular vs. non-modular, 12V rail ratings
- Peripheral devices: USB standards, Thunderbolt, DisplayPort
- Printers: Inkjet vs. laser, color vs. monochrome, printer connectivity and consumables
Practice Target: 60–70 questions (heavy Domain 3 focus)
Milestone: You should be able to troubleshoot printer issues, explain storage device specifications, and match RAM to CPU sockets.
Time Commitment: 10–12 hours
Pro Tip: Create flashcards for DDR generations, storage form factors, and socket types. These are common exam questions.
Week 3: Networking Essentials
Focus: Domain 2 (Networking)
What to Study:
- TCP/IP fundamentals: IPv4, IPv6, subnetting basics
- Common ports and protocols: HTTP/HTTPS (80/443), DNS (53), DHCP (67/68), FTP (20/21), SSH (22), RDP (3389), SMTP/POP3/IMAP (25/110/143), SNMP (161)
- OSI model layers 1–7 and how protocols map to them
- Networking hardware: routers, switches, hubs, firewalls, access points
- Wireless standards: 802.11a/b/g/n/ac/ax (Wi-Fi 5 and Wi-Fi 6)
- Network services: DHCP, DNS, NTP
- Network topology basics
Practice Target: 50–60 questions from Domain 2
Milestone: You should memorize the essential ports and protocols without hesitation. You should understand how a DHCP request works and the difference between IPv4 and IPv6.
Time Commitment: 10–12 hours
Hands-On: Use a tool like Wireshark (or follow a tutorial on it) to observe actual network traffic. Seeing real packets flow across the network makes ports and protocols stick.
Week 4: Virtualization, Cloud Computing, and Troubleshooting Basics
Focus: Domain 4 (Virtualization and Cloud) + Introduction to Domain 5 (Troubleshooting)
What to Study:
- Virtual machines: hypervisors, VM snapshots, resource allocation
- Cloud deployment models: IaaS, PaaS, SaaS—definitions and real-world examples
- Cloud characteristics: on-demand, scalability, elasticity, cost model
- Virtualization benefits: isolation, efficiency, backup and recovery
- Troubleshooting methodology: identify the problem, establish theory, test theory, establish plan of action, implement solution, verify functionality, document findings
Practice Target: 30–40 questions from Domain 4; 20–30 from troubleshooting methodology
Milestone: You should be able to distinguish between IaaS and PaaS, explain hypervisors, and articulate the CompTIA troubleshooting six-step process from memory.
Time Commitment: 10–12 hours
Week 5: Hardware and Network Troubleshooting Deep Dive + First Practice Exam
Focus: Domain 5 (Hardware and Network Troubleshooting)
What to Study:
- Troubleshooting hardware issues: no power, no display, overheating, strange noises, boot failures
- Troubleshooting network connectivity: no internet, slow connectivity, DNS issues, IP conflicts
- Common error codes and BIOS/UEFI diagnostics
- Environmental controls: HVAC, humidity, airflow
- Cable and connector issues
- Device driver problems
- Performance bottlenecks and resource monitoring
Practice Target: Take your first full practice exam. Aim to score at least 70% to stay on pace for the 75% passing benchmark.
Additional Practice: 40–50 troubleshooting-focused questions
Milestone: You should feel confident applying the troubleshooting methodology to real-world scenarios. Your practice exam score will reveal weak areas.
Time Commitment: 10–12 hours (includes practice exam time)
Important: After your practice exam, review every question you missed. Identify patterns—are you weak on networking diagnostics? Storage troubleshooting? Use this data to guide Week 6 review.
Week 6: Comprehensive Review and Final Practice
Focus: Full exam review, weak-area targeting, and final readiness assessment
What to Study:
- Revisit any domains where your Week 5 practice exam revealed gaps
- Review the hardest-to-remember topics: ports and protocols, storage form factors, troubleshooting scenarios
- Take a second full practice exam—or multiple shorter quizzes focused on your weak areas
- Review all five domains at a high level to ensure retention
Practice Target: 80+ questions (mix of full exams and targeted quizzes); aim to score 80% or higher on your final practice exam before scheduling the real exam
Milestone: You should feel confident across all five domains. Your scores should hover around 80% on practice exams. This is your green light to schedule the real exam.
Time Commitment: 10–12 hours
Final Checklist:
- Memorized essential ports and protocols
- Can identify and explain hardware components
- Understand the six-step troubleshooting process
- Can explain cloud models and virtualization
- Score 80%+ on practice exams
- Scheduled your real exam date
Adjusting the Plan: Compress or Extend
Compressed Schedule (4 Weeks)
If you have limited time, condense the plan as follows:
- Week 1: Domains 1, 3 (hardware), and 4 (cloud/virtualization)
- Week 2: Domain 3 (complete) and Domain 2 (networking)
- Week 3: Domain 2 (complete), Domain 5 (troubleshooting)
- Week 4: Full review, multiple practice exams, targeted weak-area review
Study 14–16 hours per week to maintain adequate coverage. This is aggressive but doable if you're disciplined.
Extended Schedule (8 Weeks)
If you prefer a slower pace:
- Weeks 1–2: Domain 1 (Mobile Devices)
- Weeks 3–4: Domain 3 (Hardware)
- Weeks 5–6: Domain 2 (Networking)
- Week 7: Domain 4 (Cloud) and Domain 5 start
- Week 8: Domain 5 (Troubleshooting), review, and practice exams
Reduce study hours to 6–8 per week. This allows deeper learning and more hands-on practice.
Hands-On Learning: Make It Stick
Reading about hardware and networking isn't enough. A+ is a practical exam, and hands-on experience builds confidence and retention.
Hardware:
- Disassemble an old desktop or laptop (with the owner's permission)
- Identify RAM, storage, CPU, power supply, and cooling solutions
- Practice installing RAM or an SSD
- Touch and familiarize yourself with different connector types (SATA, PCIe, USB headers)
Networking:
- Use free tools like Wireshark to capture and analyze network traffic
- Explore your router settings and understand DHCP lease times
- Practice subnetting with online calculators; try to predict subnet masks
- Set up a virtual lab with VirtualBox and experiment with virtual networks
Troubleshooting:
- Walk through the six-step methodology on realistic scenarios (even mock ones)
- Learn to use Windows Event Viewer and Task Manager to diagnose performance issues
- Practice using diagnostic tools like BIOS/UEFI utilities and CPU-Z
The 80% Benchmark: Your Signal to Test
Throughout this plan, aim for consistent 75%+ scores on practice questions. When you hit 80% or higher on multiple full-length practice exams, you're ready to schedule the real exam.
This 80% benchmark gives you a comfortable margin above the 75% passing score. It accounts for exam-day nerves and variation in question difficulty.
What if you're scoring below 75% by Week 6?
- Don't panic. Schedule a one-week extension and focus intensively on your weak domains.
- Review the LearnZapp question bank for targeted practice in Domain 5 (Troubleshooting) or Domain 3 (Hardware).
- Take mini-quizzes to build confidence before attempting another full practice exam.
Using LearnZapp to Stay on Track
LearnZapp provides 10,524+ CompTIA A+ questions sourced from Wiley—the gold standard for exam preparation. Here's how to leverage the platform alongside this study plan:
Free Diagnostic Test Start with LearnZapp's free CompTIA A+ diagnostic test to assess your baseline knowledge. This reveals your strongest and weakest domains before you dive in.
Domain-Focused Question Banks Each week, use LearnZapp's domain-specific question banks to reinforce your studies. After reading about motherboards, practice 30 questions on motherboards. The feedback helps you identify gaps quickly.
Full-Length Practice Exams In Week 5 and Week 6, take full-length timed exams through LearnZapp. These simulate the real exam environment and help you manage time pressure.
Performance Analytics LearnZapp tracks your progress across domains. Use the analytics dashboard to see where you're improving and where you need more focus.
Final Tips for Success
Time Management on Exam Day
You have 90 minutes for up to 90 questions—roughly one minute per question. Don't get stuck on difficult questions. Flag them, move on, and return if time permits. PBQs may take longer, so allocate accordingly.
Study Environment Matters
Find a quiet, distraction-free space. Turn off notifications. Use a timer to keep weekly study sessions focused (e.g., 90-minute focused blocks with 10-minute breaks).
Spaced Repetition Works
Don't cram. Study the same topics across multiple weeks. Your brain needs repetition to move knowledge into long-term memory. That's why Week 6 includes review across all domains.
Join the IT Community
Join CompTIA forums, Reddit communities (r/CompTIA, r/A_Plus), or local study groups. Discussing concepts with others solidifies understanding and keeps motivation high.
Manage Exam Anxiety
It's normal to feel nervous. Remember: you've logged 60+ study hours, practiced 200+ questions, and scored 80%+ on mock exams. You're prepared. Trust the process.
Your Path to A+ Core 1 Certification
This six-week plan is your roadmap. Domain 3 (Hardware) and Domain 5 (Troubleshooting) carry the most weight, so they get the most study time. But you won't neglect any domain—all five are thoroughly covered.
Follow the weekly milestones, take your practice exams seriously, and adjust if needed. When you're consistently hitting 80% on practice tests, schedule your real exam with confidence.
The A+ Core 1 certification opens doors in IT support, helpdesk roles, and beyond. You've got this.
Ready to start? Take a free CompTIA A+ diagnostic test today—no signup required. See where you stand, then dive into Week 1.
Good luck!