The Ultimate CompTIA A+ Cheat Sheet: Your Go-To Resource for Success

In the ever-evolving field of information technology, obtaining industry-recognized certifications is crucial for career advancement. One such certification that holds significant value is the CompTIA A+.

With the rapid pace of technological advancements, preparing for the CompTIA A+ exam can be challenging. That's where having a cheat sheet can be immensely helpful.  

In this article, we will explore the value of the CompTIA A+ certification and discuss why having a cheat sheet is essential for exam preparation 

Overview of the CompTIA A+ Certification

The CompTIA A+ certification is a valuable credential for individuals entering the IT industry. It validates your IT knowledge and skills, improves job prospects, and provides a strong foundation for further career growth in the field of information technology.

a. What is the CompTIA A+ certification?

The CompTIA A+ certification is a globally recognized credential for entry-level IT professionals. It validates the foundational knowledge and skills required to excel in computer hardware and software technologies.

The certification covers a wide range of topics, including hardware, software, networking, mobile devices, virtualization, and troubleshooting.

b. Prerequisites and eligibility requirements

It is recommended to have some prior experience or training in IT to enhance your understanding of the exam content. The eligibility requirement is passing two exams: Core 1 (220-1001) and Core 2 (220-1002).

c. Benefits of obtaining the certification

  • Enhanced job prospects

    The CompTIA A+ certification is highly valued by employers as it demonstrates a baseline of IT knowledge and skills. It opens doors to entry-level IT support and technician roles.

  • Validation of IT competence

    By earning the certification, you validate your understanding of computer hardware, software, networking, and troubleshooting concepts. It provides credibility and establishes your expertise in the IT industry.

  • Foundation for further certifications

    The CompTIA A+ certification serves as a stepping stone to advanced IT certifications. It lays a strong foundation for pursuing higher-level certifications in specialized areas.

  • Industry recognition

    Being a globally recognized certification, CompTIA A+ enhances your professional reputation and credibility among employers, colleagues, and clients.

  • Expanded knowledge and skills

    The certification program covers a broad range of IT topics, allowing you to develop a well-rounded skill set which can be applied in real-world IT scenarios.

Using CompTIA A+ Cheat Sheets for Exam Preparation

a. What is a cheat sheet?

A cheat sheet is a condensed and summarized reference guide that contains key information, formulas, concepts, or tips related to a particular subject. It serves as a quick reference tool to aid in studying, revision, and recalling important information.

b. The purpose of using cheat sheets

Cheat sheets are designed to provide a concise overview of the most essential information needed for a particular topic or exam.

Cheat sheets serve as handy references during exam preparation, helping learners quickly access important details without having to sift through extensive study materials.

c. Are cheat sheets illegal?

The legality of using cheat sheets depends on the context and the rules set by the exam or assessment provider.

In some cases, cheat sheets are allowed and encouraged as a study aid during exams, while in others, they may be strictly prohibited.

It is crucial to adhere to the rules and regulations set by the exam provider to maintain integrity and ensure fairness.

d. Benefits of a CompTIA A+ cheat sheet:

  • Condensed information

    A CompTIA A+ cheat sheet provides a concise overview of the key topics, concepts, and exam objectives, making it easier to review and reinforce knowledge without having to go through extensive study materials.

  • Quick reference guide

    During the exam preparation process, a cheat sheet serves as a quick reference tool, allowing learners to access important information rapidly. It helps in recalling essential details without the need for extensive searching.

  • Exam-specific focus

    A well-designed CompTIA A+ cheat sheet is tailored to the specific exam objectives and focuses on the most important topics. It helps learners prioritize their study efforts and stay focused on the areas that are most likely to be covered in the exam.

  • Study aid and reinforcement

    Utilizing a cheat sheet alongside other study resources like textbooks, practice exams, and hands-on experience can provide a well-rounded approach to exam preparation. It allows learners to review and consolidate their understanding of the material.

Essential Cheat Sheet for CompTIA A+ Exam Preparation

A. Hardware Cheat Sheet

  • Components and their functions: Understand the roles and functionalities of essential hardware components, such as CPUs, RAM, hard drives, and motherboards.

  • Troubleshooting hardware issues: Learn effective techniques to diagnose and resolve hardware problems, including issues with power supply, overheating, and peripheral connectivity.

  • Common port types and their uses: Familiarize yourself with various port types, such as USB, HDMI, Ethernet, and their respective purposes.

B. Software Cheat Sheet

  • Operating system installation steps: Master the process of installing and configuring different operating systems, including partitioning, formatting, and driver installation.

  • Software management and configuration tips: Learn best practices for installing, updating, and managing software applications on different operating systems.

  • Common command-line tools and their functions: Gain knowledge of essential command-line tools and their functionalities for tasks like file management, network troubleshooting, and system configuration.

C. Networking Cheat Sheet:

  • TCP/IP and subnetting basics: Understand the fundamentals of TCP/IP protocol suite, IP addressing, subnet masks, and subnetting techniques.

  • Network troubleshooting steps: Learn systematic approaches to diagnose and resolve network connectivity issues, including problems with DNS, DHCP, and network hardware.

  • Wireless network security best practices: Familiarize yourself with securing wireless networks, including encryption methods, MAC filtering, and disabling SSID broadcast.

D. Mobile Devices Cheat Sheet:

  • Mobile device setup and configuration tips: Explore the process of setting up and configuring mobile devices, including email synchronization, app installation, and data backup.

  • Troubleshooting common mobile device problems: Understand common issues with mobile devices, such as connectivity, performance, and application errors, and learn how to troubleshoot them.

  • Mobile security considerations: Learn about mobile device security measures, including passcodes, biometrics, data encryption, and remote wipe.

E. Virtualization and Cloud Computing Cheat Sheet:

  • Virtual machine deployment steps: Understand the process of creating, configuring, and managing virtual machines using virtualization software.

  • Cloud service models and their features: Familiarize yourself with Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS), along with their key features.

  • Cloud security best practices: Learn about security measures and considerations when working with cloud services, including access control, data privacy, and backup strategies.

F. Troubleshooting Cheat Sheet:

  • Troubleshooting methodologies and steps: Gain an understanding of systematic troubleshooting approaches, including identifying the problem, establishing a theory of probable cause, and implementing a solution.

  • Common hardware and network issues and solutions: Learn about common hardware and network problems, such as blue screen errors, printer malfunctions, and network connectivity issues, along with their respective solutions.

  • Diagnostic tools and techniques overview: Familiarize yourself with various diagnostic tools, such as hardware diagnostic software, network analyzers, and command-line utilities for system diagnosis and performance monitoring.

By utilizing this comprehensive cheat sheet, you'll have a valuable resource at your disposal for studying and reviewing the essential topics required to succeed in the CompTIA A+ exams.

Resources to Use Along with CompTIA Cheat Sheets

1. CompTIA A+ Study Guide 

Scribd | CompTIA A+ 220-901

This 25-page document includes a thorough explanation of the CompTIA A+ 220-901 exam as well as all of its objectives.

2. Online Courses and Tutorials

Udemy | CompTIA A+ 220-901 Certification Prep Course

The course comes with mobile access, 10 hours of on-demand video, and a certification after completion. The foundations of installation, networking, security, and troubleshooting will be covered. 

3. Practice Exam 

Whizlabs | CompTIA A+ 220-1001 Core 1

The Whizlabs offers a collection of certification questions specifically focused on the CompTIA A+ 220-1001 Core 1 exam. These questions are designed to test and reinforce your understanding of the exam objectives.

4. YouTube Tutorial Channel 

Professor Messer | CompTIA A+

Hosted by James Messer, the channel provides detailed explanations of exam topics, walkthroughs, and tips for success. Professor Messer's videos are highly regarded for their clarity and effectiveness in helping candidates prepare for the A+ exam.

5. Podcast 

The IT Career Energizer | Phil Burgess

While it focuses on IT careers, the podcast covers topics related to the CompTIA A+ certification as well. The interviews provide insights, advice, and inspiration for aspiring IT professionals on their certification journey.

6. CompTIA A+ Book 

CompTIA A+ Certification All-in-One Exam Guide | Mike Meyers

It provides detailed explanations, real-world scenarios, and practice questions to help candidates solidify their understanding of the required knowledge and skills. The book is a trusted resource for A+ exam preparation.

7. Study Groups and Forums

It provides a platform for candidates to interact, share knowledge, and discuss exam topics. Engaging in study groups and forums can help candidates clarify doubts, gain different perspectives, and reinforce their understanding of A+ concepts.

Tips and Strategies for Effective Exam Preparation

  • Creating a study plan

    Develop a structured study plan that outlines specific topics to cover, study durations and milestones to keep yourself on track. Set realistic goals and allocate sufficient time for each subject.

  • Utilizing practice exams and simulation software

    Practice exams are invaluable in familiarizing yourself with the exam format, time constraints and question types. Utilize practice exams and simulation software to simulate real exam conditions.

  • Joining study groups and online communities

    Engaging in discussions and sharing knowledge can provide valuable insights and enhance your understanding of the material.

  • Managing time during the exam

    Read each question carefully and allocate an appropriate amount of time for each section. If you encounter a challenging question, make a note and move on. Return to it later to avoid spending too much time on a single question.

  • Approaching different question formats

    The CompTIA A+ exams include various question formats, such as multiple-choice and performance based questions. Understand the requirements of each question format and practice answering questions accordingly to improve your performance.

  • Strategies for eliminating incorrect options

    When faced with multiple-choice questions, use strategies like the process of elimination to narrow down the options. Eliminate obviously incorrect answers and focus on the remaining choices. 


In conclusion, utilizing cheat sheets as a supplement to other study resources can greatly enhance your preparation for the CompTIA A+ exam.

By combining cheat sheets along with other CompTIA resources and engaging in study groups and forums you can create a comprehensive and well-rounded approach to achieving success in your CompTIA A+ certification journey.


Can I solely rely on a cheat sheet for passing the CompTIA A+ exam?

No, a cheat sheet should be used as a supplementary resource alongside textbooks, practice exams and hands-on experience.

Is the CompTIA A+ exam hard?

The difficulty level varies but with diligent study and preparation, it is achievable.

How often does the CompTIA A+ certification content change?

The CompTIA A+ certification content is updated approximately every three years to reflect changes in technology and industry trends.

Are there any prerequisites for taking the CompTIA A+ exam?

There are no strict prerequisites for taking the CompTIA A+ exam making it accessible to beginners. However having some prior experience or training in IT can be beneficial.

What are the benefits of earning the CompTIA A+ certification?

Earning the CompTIA A+ certification enhances job prospects, validates your IT knowledge and skills, provides a foundation for further certifications and boosts your credibility in the industry.

Which jobs can I apply to with a CompTIA A+ certification?

With a CompTIA A+ certification, you can apply for entry-level positions in IT support, help desk technician roles, computer repair and similar positions in the IT industry.

About the author


Youssef is a Senior Cloud Consultant & Founder of

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