IT

Discover the possibilities of a career in IT by exploring the skills and certifications needed for exciting roles in IT support, cybersecurity, cloud computing, and more.

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[Featured Image] Aspiring computer network architects learn about CSMA and its importance in data collision avoidance in a classroom setting.

What Is CSMA?

CSMA, or carrier sense multiple access, is a network protocol for managing data transmission and avoiding collisions on shared communication channels. Explore the different types of CSMA protocols and their importance in network communications.

October 7, 2024

Article

[Featured Image] A woman with red curly hair smiles while studying the OSI model on her laptop computer in her home office.

OSI Model: An Overview

The open systems interconnection (OSI) model is a multi-layered framework for network communications. Explore the OSI model below, including each layer that allows it to operate.

October 7, 2024

Article

[Featured Image] An enterprise architect walks a new employee through some of the tasks they will handle as part of the team as they review content on a laptop with a whiteboard in the background.

What Does an Enterprise Architect Do? 2025 Career Guide

Enterprise architects have the important responsibility of handling the maintenance and optimization of an organization’s information technology (IT) networks. Explore the job in more detail and learn how to become an enterprise architect below.

October 4, 2024

Article

[Featured Image] Aspiring computer network architects learn about CSMA and its importance in data collision avoidance in a classroom setting.

What Is CSMA?

CSMA, or carrier sense multiple access, is a network protocol for managing data transmission and avoiding collisions on shared communication channels. Explore the different types of CSMA protocols and their importance in network communications.

October 7, 2024

Article

[Featured Image] A woman with red curly hair smiles while studying the OSI model on her laptop computer in her home office.

OSI Model: An Overview

The open systems interconnection (OSI) model is a multi-layered framework for network communications. Explore the OSI model below, including each layer that allows it to operate.

October 7, 2024

Article

Explore popular IT courses

Status: Free Trial
Status: AI skills

Microsoft

Skills you'll gain: Microsoft 365, Network Security, Business Software, Computer Hardware, Cybersecurity, Microsoft Office, Desktop Support, Virtual Private Networks (VPN), Network Troubleshooting, Technical Support, Hardware Troubleshooting, Generative AI, Operating Systems, Collaborative Software, System Support, Network Protocols, TCP/IP, Application Security, Microsoft Teams, Cloud Computing

4.7
Rating, 4.7 out of 5 stars
1.4K reviews

Beginner · Professional Certificate · 3 - 6 Months

Status: Free Trial

IBM

Skills you'll gain: Information Technology, Computer Hardware, Cloud Computing, Network Troubleshooting, Software Installation, Technical Support and Services, Cybersecurity, Hardware Troubleshooting, Data Storage, Database Software, Operating Systems, Computer Networking, IT Infrastructure, Virtual Private Networks (VPN), Project Management

4.7
Rating, 4.7 out of 5 stars
266 reviews

Beginner · Course · 1 - 3 Months

Status: Free Trial
Status: AI skills

Google

Skills you'll gain: IT Security Architecture, Computer Networking, Operating System Administration, Package and Software Management, Network Troubleshooting, Version Control, IT Automation, Systems Administration, IT Infrastructure, TCP/IP, Git (Version Control System), Chef (Configuration Management Tool), Network Security, Ruby (Programming Language), File Systems, Microsoft Windows, Computer Hardware, Technical Support, Interviewing Skills, Professional Development

Build toward a degree

4.8
Rating, 4.8 out of 5 stars
210K reviews

Beginner · Professional Certificate · 3 - 6 Months

[Featured Image] Thanks to client-server architecture, a business person sitting at a table working on their laptop has a positive user experience.

What Is Client-Server Architecture?

Client-server architecture is a key component of a functioning user experience. Learn more about what client-server architecture is, the different parts of a client-server network, and why they are important for businesses and networking.

October 3, 2024

Article

[Featured Image] A person works on a laptop in a data center that stores data users can access through Gigabit Ethernet.

What Is Gigabit Ethernet?

Are you thinking of upgrading your Ethernet? Explore Gigabit Ethernet, including how it works, its uses, and how Gigabit Ethernet compares to other Ethernet types.

October 2, 2024

Article

[Featured Image] A person sits at their desk with a laptop and is using a wide area network to communicate with their colleagues.

What Is a Wide Area Network, and Who Needs One?

Discover the world of wide area networks and their importance in today’s society, including what they are, how they differ from LANs, and tips on building your knowledge in this area.

October 1, 2024

Article

[Featured Image] An ERP analyst explains their enterprise resource planning strategies to stakeholders.

What Is an ERP Analyst, and How Do I Become One?

Explore the role of an enterprise resource planning analyst, including daily duties, skills needed, potential salary, job outlook, and possible career path. Then, discover three steps for becoming an ERP analyst.

October 1, 2024

Article

[Featured Image] A smiling woman IT support specialist talks on a headset to a customer as she looks at a desktop in front of her.

IT Support Specialist: Responsibilities, Skills, and How to Get Started

Working as an IT support specialist can be a satisfying career or an opportunity to build the necessary skills to advance in tech. Learn about the key tasks this role handles, the skills you'll need to succeed, and how to get started.

September 30, 2024

Article

[Featured Image] A young professional looks through instructions about how to perform speed tests to assess their connection speed.

A Guide to Speed Tests

Learn how to run a speed test with step-by-step instructions. After running your speed test, learn how to interpret the results to assess your connection speed test and the steps you can take to boost it.

September 30, 2024

Article

[Featured Image] A man working in IT service management talks on a headset while looking at a computer and sitting beside a colleague in a bright, airy office setting.

What Is IT Service Management?

IT service management is a standard process that many organizations adopt to streamline their information technology. Discover more about IT service management, why it's important for many organizations, and how to pursue a career in this field.

September 30, 2024

Article

[Featured Image] A learner working from home gets a hug from their child as they surf the internet confidently, knowing they have an effective proxy firewall in place.

Proxy Firewall: Network Security Explained

Discover how a proxy firewall can help fend off network intrusions and malicious internet traffic at the application layer. Learn more about proxy firewalls and their ability to provide additional security.

September 27, 2024

Article

[Featured Image] A business leader outlines the organization’s disaster recovery plan to its employees.

Disaster Recovery Plans: What They Are and Why You Should Have One

Discover how IT disaster recovery plans help organizations respond to unforeseen disasters.

September 26, 2024

Article

[Featured Image] An enterprise architect walks a new employee through some of the tasks they will handle as part of the team as they review content on a laptop with a whiteboard in the background.

What Does an Enterprise Architect Do? 2025 Career Guide

Enterprise architects have the important responsibility of handling the maintenance and optimization of an organization’s information technology (IT) networks. Explore the job in more detail and learn how to become an enterprise architect below.

October 4, 2024

Article

[Featured Image] Thanks to client-server architecture, a business person sitting at a table working on their laptop has a positive user experience.

What Is Client-Server Architecture?

Client-server architecture is a key component of a functioning user experience. Learn more about what client-server architecture is, the different parts of a client-server network, and why they are important for businesses and networking.

October 3, 2024

Article

[Featured Image] A person works on a laptop in a data center that stores data users can access through Gigabit Ethernet.

What Is Gigabit Ethernet?

Are you thinking of upgrading your Ethernet? Explore Gigabit Ethernet, including how it works, its uses, and how Gigabit Ethernet compares to other Ethernet types.

October 2, 2024

Article

[Featured Image] A person sits at their desk with a laptop and is using a wide area network to communicate with their colleagues.

What Is a Wide Area Network, and Who Needs One?

Discover the world of wide area networks and their importance in today’s society, including what they are, how they differ from LANs, and tips on building your knowledge in this area.

October 1, 2024

Article

[Featured Image] An ERP analyst explains their enterprise resource planning strategies to stakeholders.

What Is an ERP Analyst, and How Do I Become One?

Explore the role of an enterprise resource planning analyst, including daily duties, skills needed, potential salary, job outlook, and possible career path. Then, discover three steps for becoming an ERP analyst.

October 1, 2024

Article

[Featured Image] A smiling woman IT support specialist talks on a headset to a customer as she looks at a desktop in front of her.

IT Support Specialist: Responsibilities, Skills, and How to Get Started

Working as an IT support specialist can be a satisfying career or an opportunity to build the necessary skills to advance in tech. Learn about the key tasks this role handles, the skills you'll need to succeed, and how to get started.

September 30, 2024

Article

[Featured Image] A young professional looks through instructions about how to perform speed tests to assess their connection speed.

A Guide to Speed Tests

Learn how to run a speed test with step-by-step instructions. After running your speed test, learn how to interpret the results to assess your connection speed test and the steps you can take to boost it.

September 30, 2024

Article

[Featured Image] A man working in IT service management talks on a headset while looking at a computer and sitting beside a colleague in a bright, airy office setting.

What Is IT Service Management?

IT service management is a standard process that many organizations adopt to streamline their information technology. Discover more about IT service management, why it's important for many organizations, and how to pursue a career in this field.

September 30, 2024

Article

[Featured Image] A learner working from home gets a hug from their child as they surf the internet confidently, knowing they have an effective proxy firewall in place.

Proxy Firewall: Network Security Explained

Discover how a proxy firewall can help fend off network intrusions and malicious internet traffic at the application layer. Learn more about proxy firewalls and their ability to provide additional security.

September 27, 2024

Article

[Featured Image] A business leader outlines the organization’s disaster recovery plan to its employees.

Disaster Recovery Plans: What They Are and Why You Should Have One

Discover how IT disaster recovery plans help organizations respond to unforeseen disasters.

September 26, 2024

Article

In today's rapidly evolving technological landscape, IT professionals with specialized skills are highly sought after across many industries. A career in IT provides the opportunity to harness your technical expertise to drive innovation and streamline business processes. Delve into the diverse career paths, critical skills, and various roles within the IT field to embark on a fulfilling and impactful career that shapes the future of technology.

Ready to start learning? Explore our catalog of IT support, network, and cloud computing courses for beginners and experienced professionals. 

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