CompTIA A+ 220-1201 is the Core 1 exam in the current CompTIA A+ certification track. For students, aspiring IT technicians, and anyone trying to enter the technology industry, it is one of the most practical places to begin. Instead of focusing on a single vendor or product, the exam covers the everyday technologies an entry-level IT support professional is expected to understand: laptops, desktop hardware, networking, mobile devices, printers, virtualization, cloud computing, and troubleshooting.
The important thing to understand is that Core 1 is not simply a hardware memorization test. Modern A+ questions increasingly expect candidates to look at a technical situation, identify what is happening, and choose the most appropriate solution. Knowing what a component does is useful, but knowing how that component behaves when something goes wrong is much more valuable.
If you are currently preparing for the exam and want a structured place to review the major knowledge areas, you can also explore our CompTIA A+ 220-1201 Core 1 exam preparation page alongside the official exam objectives.
This guide explains the current CompTIA A+ Core 1 220-1201 exam, the technologies you should understand, how the exam domains are weighted, and how to build a realistic study plan.
What Is the CompTIA A+ Certification?
CompTIA A+ is a vendor-neutral IT certification designed around foundational technical support skills. It is commonly associated with entry-level roles such as help desk technician, IT support specialist, desktop support technician, field service technician, and junior systems support professional.
Unlike many certifications that require only one examination, earning the current CompTIA A+ certification requires passing two exams:
- Core 1: 220-1201
- Core 2: 220-1202
Core 1 concentrates heavily on physical technology, connectivity, networking, virtualization, and troubleshooting. Core 2 moves further into operating systems, security, software troubleshooting, and operational procedures.
For beginners, this division actually makes sense. Core 1 teaches you how devices and networks work, while Core 2 focuses more heavily on how those systems are operated, secured, and supported.
CompTIA A+ 220-1201 Exam Details
| Exam Information | Details |
|---|---|
| Certification | CompTIA A+ |
| Exam | Core 1 |
| Exam Code | 220-1201 |
| Current Series | V15 / 220-1200 Series |
| Maximum Questions | 90 |
| Exam Duration | 90 minutes |
| Question Types | Multiple-choice and performance-based questions |
| Passing Score | 675 on a scale of 100–900 |
| Recommended Experience | Approximately 12 months of hands-on IT support experience |
The 220-1201 series was introduced as the successor to the older 220-1101 Core 1 exam. If you are beginning your A+ studies now, make sure your books, video courses, laboratories, and practice questions specifically reference 220-1201 rather than the retired 220-1101 objectives.
Before building your study schedule, it is useful to review the complete scope of the 220-1201 CompTIA A+ Core 1 exam so that your preparation stays aligned with the current certification version.
CompTIA A+ Core 1 Exam Domains
The 220-1201 exam objectives are divided into five major domains:
| Domain | Weight |
|---|---|
| 1.0 Mobile Devices | 13% |
| 2.0 Networking | 23% |
| 3.0 Hardware | 25% |
| 4.0 Virtualization and Cloud Computing | 11% |
| 5.0 Hardware and Network Troubleshooting | 28% |
The percentages immediately tell us something important about the exam. Hardware and hardware/network troubleshooting together account for more than half of Core 1. Networking is also significant at 23%. A candidate who spends most of their preparation memorizing mobile-device terminology while avoiding troubleshooting and networking is allocating study time in the wrong direction.
1. Mobile Devices – 13%
Mobile devices may be the smallest of the major hands-on technology domains, but modern IT support technicians cannot treat laptops, tablets, and smartphones as secondary systems anymore.
You should understand common laptop components and the practical considerations involved when servicing or replacing them. Important areas include batteries, keyboards, RAM, HDDs and SSDs, wireless cards, cameras, microphones, Wi-Fi antennas, and privacy or biometric hardware.
You should also be comfortable with mobile connectivity technologies such as:
- USB and USB-C
- Bluetooth
- Near-field communication (NFC)
- Wi-Fi
- Cellular networking
- Mobile hotspots and tethering
- Docking stations and port replicators
Do not study these technologies as isolated definitions. Think about how they are used. For example, if a laptop has weak Wi-Fi reception after being repaired, the wireless card may be working perfectly while an antenna connection has been installed incorrectly. That type of reasoning is closer to the way A+ questions are structured.
2. Networking – 23%
Networking is one of the most important parts of the CompTIA A+ 220-1201 exam, especially for students who plan to continue toward Network+, cloud certifications, cybersecurity, or system administration.
You are not expected to design a large enterprise network at the A+ level, but you should be able to understand and support common networks.
TCP/IP Ports and Protocols
Candidates should know the purpose of commonly used services and recognize their associated ports. Examples include DNS, DHCP, SSH, HTTP, HTTPS, SMTP, IMAP, POP3, SMB, LDAP, FTP, and Remote Desktop Protocol.
Memorizing the port number is only the first step. You should also understand why the protocol exists. If users can reach a website by IP address but not by hostname, for example, that points you toward a DNS-related problem rather than a physical Ethernet failure.
IP Addressing
Core 1 expects familiarity with:
- IPv4
- IPv6
- Private and public IP addresses
- Static and dynamic addressing
- DHCP
- Subnet masks
- Default gateways
- DNS
- APIPA
You do not need to approach A+ subnetting like an advanced network engineering exam. The goal is to understand what these settings do and how incorrect configuration affects connectivity.
Wireless Networking
Wi-Fi deserves serious attention. Understand frequency bands, channel considerations, wireless standards, and common connectivity limitations.
A useful way to study wireless technology is to compare range, speed, interference, compatibility, and frequency. Knowing that two wireless technologies are different is less useful than understanding which one is appropriate in a particular environment.
Network Hardware and Tools
You should recognize devices and tools commonly encountered by support technicians, including routers, switches, access points, patch panels, cable testers, crimpers, punchdown tools, toner probes, loopback plugs, and Wi-Fi analyzers.
If you can get access to real networking equipment, use it. Terminating a cable or configuring a small home router once can teach you more than repeatedly reading the same diagram.
3. Hardware – 25%
The Hardware domain is one of the areas people naturally associate with CompTIA A+, and it remains a major part of 220-1201.
You need to understand computer components well enough to select compatible parts, install them correctly, and recognize their role inside a working system.
Motherboards and CPUs
Study motherboard form factors, CPU sockets, expansion interfaces, storage connectors, power connectors, BIOS/UEFI settings, Secure Boot, TPM functionality, and hardware virtualization support.
Compatibility is especially important. A processor, motherboard, RAM module, and power supply cannot simply be selected independently. Real computers work because those components are compatible with one another.
RAM
Understand common RAM characteristics, form factors, installation considerations, and the relationship between memory capacity and system performance.
In a real support environment, RAM problems can appear as instability, crashes, boot failures, or poor performance. That is why hardware knowledge and troubleshooting knowledge should be studied together rather than as completely separate subjects.
Storage
Know the differences between technologies such as HDDs, SATA SSDs, NVMe storage, M.2 devices, and RAID configurations.
You should be able to consider factors including:
- Capacity
- Performance
- Interface type
- Form factor
- Reliability
- Redundancy
For example, understanding that an SSD is faster than a traditional hard drive is basic knowledge. Understanding why an NVMe SSD uses PCIe rather than the traditional SATA path is more useful technical knowledge.
Power and Cooling
Core 1 also expects candidates to understand power supply selection, wattage, connectors, input voltages, cooling systems, fans, heat sinks, thermal material, and related hardware considerations.
These topics frequently connect directly to troubleshooting. Random shutdowns, thermal throttling, unusual fan behavior, or a system that fails under heavy load can all point toward power or cooling issues.
Printers
Printers are easy to underestimate. Do not.
You should understand common printer technologies, installation, drivers, connectivity, maintenance procedures, and troubleshooting. Laser, inkjet, and thermal printing technologies operate differently and therefore fail differently.
Spend time learning how the printing process actually works. It makes printer troubleshooting far easier than attempting to memorize dozens of unrelated symptoms.
4. Virtualization and Cloud Computing – 11%
Virtualization and cloud computing represent 11% of the 220-1201 Core 1 exam. Although this is the smallest domain by percentage, it is highly relevant to modern IT environments.
Virtualization
You should understand concepts such as:
- Virtual machines
- Hypervisors
- Resource allocation
- Virtual networking
- Virtual storage
- Desktop virtualization
- Containers
A good practical exercise is to install a virtualization platform on a spare computer and create a small virtual machine. Allocate CPU, memory, disk space, and networking yourself. Even a simple lab makes abstract virtualization terminology much easier to remember.
Cloud Computing
Be able to distinguish common cloud service models such as:
- IaaS – Infrastructure as a Service
- PaaS – Platform as a Service
- SaaS – Software as a Service
You should also understand cloud deployment concepts and characteristics such as shared resources, scalability, elasticity, availability, and metered services.
A common beginner mistake is trying to memorize cloud definitions word for word. Instead, ask who manages each layer. If a customer manages the operating system and applications but rents the computing infrastructure, that looks very different from simply opening a SaaS application in a web browser.
5. Hardware and Network Troubleshooting – 28%
At 28%, troubleshooting is the largest domain on the CompTIA A+ 220-1201 exam.
This is where technical knowledge becomes practical.
You may understand what RAM is, but can you recognize symptoms of failing memory? You may know what DHCP does, but can you identify a workstation that failed to receive a valid address? You may understand how a display connects to a computer, but can you determine whether the problem is the monitor, input selection, cable, graphics hardware, or system itself?
Typical troubleshooting areas include:
- Motherboards
- RAM
- CPUs
- Power supplies
- Storage devices
- RAID
- Displays and projectors
- Mobile devices
- Wired networking
- Wireless networking
- Printers
The best preparation method is symptom-based study. Instead of creating a flashcard that says “S.M.A.R.T. means Self-Monitoring, Analysis and Reporting Technology,” create a scenario: a disk reports a S.M.A.R.T. warning and begins producing unusual noises. What should the technician be concerned about, and what action should be prioritized?
That forces you to think like a technician rather than a dictionary.
Because troubleshooting represents the largest exam domain, candidates may also want to combine hands-on practice with focused CompTIA A+ Core 1 220-1201 study resources to identify areas that still need additional review.
Performance-Based Questions: Where Practical Skills Matter
The 220-1201 exam includes performance-based questions, commonly called PBQs. These questions are designed to evaluate whether you can apply technical knowledge rather than simply recognize a correct definition.
A PBQ may require you to work through a simulated technical situation, organize information, configure settings, identify hardware, or determine how a network or system should be corrected.
Because of this, practice exams made entirely from simple four-option multiple-choice questions are not enough preparation.
Build at least a small hands-on lab. You do not need an expensive rack of enterprise equipment. A used desktop computer, an old laptop, a basic router, virtualization software, and a few inexpensive cables can provide plenty of useful practice.
Hands-On Labs I Recommend for 220-1201
If you are learning IT for the first time, try completing the following exercises before your exam:
- Open a desktop computer and identify the motherboard, CPU, RAM, storage, power supply, and expansion slots.
- Install or replace a RAM module.
- Install an SSD and identify its interface.
- Enter BIOS/UEFI and review boot, security, and virtualization settings.
- Configure a home wireless router.
- Identify your IP address, subnet mask, gateway, and DNS servers.
- Use basic network troubleshooting utilities to test connectivity.
- Create a virtual machine and assign CPU, RAM, storage, and networking resources.
- Configure a network printer or shared printer.
- Practice identifying common cables and connectors without looking at labels.
You do not need to become an expert in every task. The objective is to connect what you read in your study guide with something physical or observable.
A Practical CompTIA A+ 220-1201 Study Plan
There is no universal study schedule, but beginners usually benefit from organizing preparation around the official domain weights. A combination of the official objectives, hands-on labs, structured notes, and a dedicated 220-1201 study guide and exam preparation resource can make it easier to track progress across all five domains.
Week 1: Mobile Devices
Learn laptop hardware, mobile connectivity, accessories, cellular technologies, synchronization, and common mobile troubleshooting scenarios.
Weeks 2–3: Networking
Study ports, protocols, IP addressing, Wi-Fi, network equipment, SOHO configuration, network services, cable types, and troubleshooting tools.
Do not rush this section. Networking knowledge will also make later certifications much easier.
Weeks 3–4: Hardware
Work through motherboards, CPUs, memory, storage, displays, power supplies, cooling, printers, cables, and connectors.
Try to combine reading with physical hardware whenever possible.
Week 5: Virtualization and Cloud
Learn hypervisors, VMs, resource requirements, virtual networking, cloud service models, cloud deployment models, and basic cloud characteristics.
Weeks 6–7: Troubleshooting
Focus on symptoms and diagnosis. Work through hardware, storage, printer, display, mobile, wired-network, and Wi-Fi failures.
This is also the right time to begin serious PBQ practice.
Final Week: Mixed Practice
Take timed practice tests and identify weak domains. Do not simply record whether an answer was wrong. Write down why it was wrong.
That small habit is extremely effective because it exposes misunderstandings that raw practice scores can hide.
How Difficult Is CompTIA A+ Core 1?
For an experienced technician, Core 1 is manageable because many exam topics reflect tasks performed every day. For a student who has never opened a computer or configured a network, it can feel surprisingly broad.
The difficulty comes from the number of technologies rather than extreme depth.
You may need to know a little about laptops, displays, printers, storage, networking, Wi-Fi, cloud computing, virtualization, cables, CPUs, memory, and troubleshooting all in the same exam.
The solution is not endless memorization. Build connections between topics.
Networking concepts appear again during troubleshooting. Hardware concepts appear again when diagnosing system failures. Storage concepts connect to RAID. Wireless concepts connect to mobile devices. Virtualization concepts connect to cloud computing.
Once those connections become clear, the exam becomes much less intimidating.
Is the CompTIA A+ Certification Worth It?
For someone who already has years of professional infrastructure experience, A+ may be too foundational. For someone attempting to enter IT, however, it can provide a structured way to learn the fundamentals employers expect support technicians to know.
The certification is particularly useful if you are targeting roles such as:
- Help Desk Technician
- IT Support Specialist
- Desktop Support Technician
- Field Service Technician
- Technical Support Specialist
- Junior IT Technician
A+ can also provide a useful foundation before moving into more specialized areas. Candidates interested in networking often continue toward CompTIA Network+. Those interested in cybersecurity commonly move toward Security+. Others use their A+ foundation to begin learning Microsoft, Linux, cloud, or vendor-specific technologies.
The certification alone will not replace practical experience, but practical experience plus a recognized certification is a much stronger combination than either one by itself.
Common Mistakes to Avoid When Preparing for 220-1201
Using Old 220-1101 Material
Some fundamental concepts remain useful, but your primary study material should match the current 220-1201 objectives. Always check the exam code before buying a book or using a practice course.
Memorizing Without Practicing
If you have never configured Wi-Fi, installed memory, created a VM, or looked inside a desktop computer, find a way to practice those tasks.
Ignoring Printers
Printers may not be exciting, but they remain part of real-world IT support and the exam objectives.
Studying Every Domain Equally
The exam is weighted. Troubleshooting is 28%, hardware is 25%, and networking is 23%. Your study time should roughly reflect that reality.
Taking Practice Tests Too Early
Practice exams are best used as diagnostic tools after you have learned the fundamentals. Repeatedly answering questions without understanding the underlying technology can create false confidence.
220-1201 Exam-Day Strategy
Time management matters because you may have up to 90 questions and only 90 minutes.
Read each question carefully and pay attention to words such as BEST, FIRST, MOST likely, and NEXT. Several answers may be technically possible, but CompTIA often expects the option that best fits the exact situation.
When troubleshooting, avoid jumping directly to the most dramatic solution. Replacing hardware, resetting an entire configuration, or reinstalling something may work, but there may be a simpler and more appropriate diagnostic step first.
For PBQs, stay aware of time. If a complex simulation is consuming too much of the exam, move forward and return to it if the testing interface allows you to review the question later.
Frequently Asked Questions About CompTIA A+ 220-1201
What is the current CompTIA A+ Core 1 exam code?
The current Core 1 exam is 220-1201.
How many questions are on the 220-1201 exam?
The exam contains a maximum of 90 questions.
How long is the CompTIA A+ Core 1 exam?
Candidates receive 90 minutes to complete the exam.
What score do I need to pass 220-1201?
The passing score is 675 on a scale of 100–900.
Does passing 220-1201 make me CompTIA A+ certified?
No. You must pass both the current Core 1 and Core 2 examinations to earn the full CompTIA A+ certification.
Which domain should I spend the most time studying?
Hardware and Network Troubleshooting is the largest domain at 28%, followed by Hardware at 25% and Networking at 23%. These three domains should receive a substantial portion of your preparation time.
Where can I find additional 220-1201 preparation resources?
In addition to CompTIA’s official objectives and hands-on labs, you can review our CompTIA A+ Certification Exam Core 1 220-1201 course page for additional exam-focused preparation material.
Do I need real IT experience before taking the exam?
CompTIA recommends hands-on experience, but many students begin preparing before they have a professional IT job. In that situation, home labs, virtual machines, spare computers, networking equipment, and structured practice exercises become especially valuable.
Final Thoughts: Preparing for CompTIA A+ 220-1201
The CompTIA A+ 220-1201 exam is broad, but that breadth is exactly why it can be valuable to beginners. It forces you to understand how computers, networks, mobile devices, printers, virtualization platforms, and cloud technologies fit together in a real support environment.
If I had to reduce the preparation strategy to three points, they would be simple: follow the current exam objectives, spend more time troubleshooting than memorizing, and practice with real or virtual systems whenever possible.
Do not aim merely to recognize the correct answer on a practice test. Aim to understand why that answer is correct and what you would actually do if the same problem appeared on a user’s computer tomorrow.
That mindset will help you on the 220-1201 exam, but more importantly, it starts building the troubleshooting habits you will need throughout an IT career.
If you are ready to continue your preparation, visit our CompTIA A+ 220-1201 exam preparation page and use it together with the official CompTIA objectives to review your remaining weak areas.
External References and Study Resources
