Overview

Updated in May 2025. This course now features Coursera Coach! A smarter way to learn with interactive, real-time conversations that help you test your knowledge, challenge assumptions, and deepen your understanding as you progress through the course. Embark on a comprehensive learning journey with the CompTIA A+ Core 1 (220-1101) course. This course will equip you with the foundational knowledge and skills required to tackle IT hardware, networking, mobile devices, and troubleshooting. You'll gain hands-on experience with mobile device components, network protocols, hardware configuration, cloud computing, and more. By the end of the course, you’ll have the confidence to manage and resolve common IT problems efficiently. The course starts by introducing you to the world of mobile devices, covering topics like laptop hardware, mobile device ports, accessories, network connections, and app support. You will get in-depth insights into how mobile devices interact with wireless networks and how to manage and troubleshoot them. The following section on networking provides detailed knowledge of network protocols, hardware, and the essential services that support connectivity, including DNS, DHCP, and IP addressing. As the course progresses, you’ll learn about computer hardware, including storage devices, processors, RAM, and printers. You'll also dive into the intricacies of virtualization and cloud computing models, setting you up for success in understanding modern IT infrastructures. Practical skills in troubleshooting, from hardware components to networks, will be emphasized, enabling you to diagnose and resolve issues across different systems efficiently. The course is ideal for beginners interested in IT and network troubleshooting. If you're looking to start your career in IT support, networking, or hardware, this course will provide you with the necessary foundational knowledge and practical skills. There are no strict prerequisites, but familiarity with basic computer functions will help. This course is beginner-level and designed for those new to IT.

Syllabus

Mobile Devices

In this module, we will explore the essential aspects of mobile devices, from hardware and components to network connections and applications. You will gain a deeper understanding of the technologies, accessories, displays, and synchronization methods that make mobile devices functional and efficient. By the end of this section, you will be equipped to handle mobile devices' technical challenges in a professional environment.

Networking

In this module, we will dive into the critical aspects of networking, including protocols, hardware, and configurations. You will explore networking fundamentals such as IP addressing, DHCP, DNS, and network types. We will also cover the tools and technologies essential for diagnosing and troubleshooting networks. By the end of this section, you'll have the knowledge to work with and manage networking components effectively.

Hardware

In this module, we will explore the essential hardware components of computers and networking systems, focusing on cables, storage devices, motherboards, processors, and power supplies. You'll gain practical knowledge about the installation and configuration of various components, including printers and expansion cards. By the end of this section, you will have a comprehensive understanding of how these hardware elements interact and function within a system.

Virtualization and Cloud Computing

In this module, we will explore the core concepts of cloud computing and virtualization. You will learn about different cloud models and services, including how they are deployed and utilized in business environments. We will also dive into the world of virtualization, highlighting its importance for testing, security, and efficient resource management. By the end of this section, you'll have a solid understanding of both cloud computing and virtualization technologies.

Troubleshooting Hardware and Networking

In this module, we will guide you through the process of troubleshooting hardware and network issues, using the CompTIA troubleshooting model. You will learn to identify and resolve problems with PC components, storage, printers, display systems, mobile devices, and networks. By the end of this section, you will have the skills to methodically diagnose and resolve a wide range of technical issues in real-world environments.