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] Female IT professional sitting at her workspace building network architectures and communicating with colleagues via headphones.

A Guide to Network Architectures

Network architectures describe how a computer network operates, outlining devices and logistics. Explore network architectures and how they can impact your organization’s network management.

October 23, 2024

Article

[Featured Image] In a server room, a network operations engineer examines a server while holding a tablet.

What Does a Network Operations Engineer Do?

Network operations engineers are vital to keeping a business’s computing network functioning properly. Learn more about a network operations engineer job description, as well as the skills, education, and experience necessary for the role.

October 22, 2024

Article

[Featured Image] A woman looking at a computer monitor using exFAT to organize her files.

ExFAT vs. FAT32: Deciding Between the Two

When building a file system that suits your unique needs, you will want to know how to decide between exFAT and FAT32. This primer offers the basic pros and cons of each, along with their applications, to help you decide between them.

October 21, 2024

Article

[Featured Image] Female IT professional sitting at her workspace building network architectures and communicating with colleagues via headphones.

A Guide to Network Architectures

Network architectures describe how a computer network operates, outlining devices and logistics. Explore network architectures and how they can impact your organization’s network management.

October 23, 2024

Article

[Featured Image] In a server room, a network operations engineer examines a server while holding a tablet.

What Does a Network Operations Engineer Do?

Network operations engineers are vital to keeping a business’s computing network functioning properly. Learn more about a network operations engineer job description, as well as the skills, education, and experience necessary for the role.

October 22, 2024

Article

Explore popular IT courses

Status: Free Trial
Status: AI skills

Microsoft

Skills you'll gain: Microsoft 365, Generative AI, Network Troubleshooting, Data Storage Technologies, Hardware Troubleshooting, Cybersecurity, Productivity Software, Technical Support, Computer Systems, Microsoft Teams, Security Strategy, Collaborative Software, Network Security, Network Protocols, Cloud Security, Microsoft Power Automate/Flow, Application Security, Data Storage, Computer Hardware, Cloud Computing

4.7
Rating, 4.7 out of 5 stars
1.1K reviews

Beginner · Professional Certificate · 3 - 6 Months

Status: Free Trial
Status: AI skills

Google

Skills you'll gain: Package and Software Management, Systems Administration, Computer Networking, IT Infrastructure, OSI Models, Desktop Support, Information Systems Security, Network Troubleshooting, Technical Support, Routing Protocols, Computer Hardware, Network Security, Cybersecurity, Microsoft Windows, Network Administration, Lightweight Directory Access Protocols, File Systems, Interviewing Skills, Applicant Tracking Systems, Resilience

Build toward a degree

4.8
Rating, 4.8 out of 5 stars
205K reviews

Beginner · Professional Certificate · 3 - 6 Months

Status: Free Trial

IBM

Skills you'll gain: Computer Systems, Cloud Computing, Information Technology, Computer Hardware, Cybersecurity, Network Troubleshooting, Data Storage, Operating Systems, Computer Networking, Technical Support, IT Infrastructure, Program Development, Databases, Project Management

4.7
Rating, 4.7 out of 5 stars
223 reviews

Beginner · Course · 1 - 3 Months

[Featured Image] An IT support specialist shakes hands with a potential employer during a job interview.

8 IT Support Interview Questions and How to Answer Them

Reviewing possible IT support interview questions is an excellent way to prepare for your upcoming interview. Explore these eight sample questions to walk into your meeting feeling confident and ready to shine.

October 16, 2024

Article

[Featured Image] A computer networking learner studies the function of data packets and internet protocol.

What Are Data Packets?

Data packets are the fundamental units of communication for devices connected to the internet. Explore their role in internet protocol and other details to gain a deeper understanding of computer networking.

October 11, 2024

Article

[Featured Image] Two women on a video call using a computer as a full duplex as both computers are transmitting and receiving information.

What Is Full Duplex and How Is It Used?

Full-duplex design allows computers to send and receive information at the same time. Learn about the full duplex communication mode, including the type of data transmission used, devices that use it, and the difference between half duplex and simplex.

October 11, 2024

Article

[Featured Image] A young computer user explains how network interface cards work to allow their parent’s laptop and other devices to connect to the network.

Network Interface Cards: What They Are and Where to Buy Them

Network interface cards provide network connections for your devices. Installing this critical hardware in your computers or servers keeps you connected to the networks you need. Find out more about these essential computing cards.

October 9, 2024

Article

[Featured Image] A female network engineer stands in a server room with a laptop looking at the physical layer mechanics

What Is the Physical Layer: A Beginner’s Guide

When you communicate with someone via technology, you need physical devices to receive and transmit information. They are the “physical layer” of the Open System Interconnection (OSI) model. Learn more about OSI and the function the physical layer plays.

October 8, 2024

Article

[Featured Image] A man in an orange shirt who works in service design is working on his desktop.

What Is Service Design?

Service design focuses on the service aspect of a design project. Explore how service design can help you develop design processes that center on user experience and how to begin a career that uses it..

October 8, 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

[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] A woman looking at a computer monitor using exFAT to organize her files.

ExFAT vs. FAT32: Deciding Between the Two

When building a file system that suits your unique needs, you will want to know how to decide between exFAT and FAT32. This primer offers the basic pros and cons of each, along with their applications, to help you decide between them.

October 21, 2024

Article

[Featured Image] An IT support specialist shakes hands with a potential employer during a job interview.

8 IT Support Interview Questions and How to Answer Them

Reviewing possible IT support interview questions is an excellent way to prepare for your upcoming interview. Explore these eight sample questions to walk into your meeting feeling confident and ready to shine.

October 16, 2024

Article

[Featured Image] A computer networking learner studies the function of data packets and internet protocol.

What Are Data Packets?

Data packets are the fundamental units of communication for devices connected to the internet. Explore their role in internet protocol and other details to gain a deeper understanding of computer networking.

October 11, 2024

Article

[Featured Image] Two women on a video call using a computer as a full duplex as both computers are transmitting and receiving information.

What Is Full Duplex and How Is It Used?

Full-duplex design allows computers to send and receive information at the same time. Learn about the full duplex communication mode, including the type of data transmission used, devices that use it, and the difference between half duplex and simplex.

October 11, 2024

Article

[Featured Image] A young computer user explains how network interface cards work to allow their parent’s laptop and other devices to connect to the network.

Network Interface Cards: What They Are and Where to Buy Them

Network interface cards provide network connections for your devices. Installing this critical hardware in your computers or servers keeps you connected to the networks you need. Find out more about these essential computing cards.

October 9, 2024

Article

[Featured Image] A female network engineer stands in a server room with a laptop looking at the physical layer mechanics

What Is the Physical Layer: A Beginner’s Guide

When you communicate with someone via technology, you need physical devices to receive and transmit information. They are the “physical layer” of the Open System Interconnection (OSI) model. Learn more about OSI and the function the physical layer plays.

October 8, 2024

Article

[Featured Image] A man in an orange shirt who works in service design is working on his desktop.

What Is Service Design?

Service design focuses on the service aspect of a design project. Explore how service design can help you develop design processes that center on user experience and how to begin a career that uses it..

October 8, 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

[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

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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