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] 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] 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

Explore popular IT courses

Status: Free Trial

IBM

Skills you'll gain: Cloud Computing Architecture, Technical Support, Technical Support and Services, Cloud Services, Peripheral Devices, Cybersecurity, Computing Platforms, Hardware Troubleshooting, IT Service Management, Cloud Security, Cloud Technologies, Cloud Infrastructure, Network Troubleshooting, Encryption, Data Storage, Software Development Life Cycle, Professional Networking, Information Technology, Cloud Computing, Interviewing Skills

4.7
Rating, 4.7 out of 5 stars
11K reviews

Beginner · Professional Certificate · 3 - 6 Months

Status: Free Trial

Google

Skills you'll gain: Git (Version Control System), GitHub, Version Control, Cloud Services, Debugging, Puppet (Configuration Management Tool), Infrastructure as Code (IaC), Bash (Scripting Language), Configuration Management, Professional Networking, CI/CD, Cloud Computing, Technical Communication, Docker (Software), Unit Testing, Containerization, Web Services, Interviewing Skills, Python Programming, Programming Principles

4.7
Rating, 4.7 out of 5 stars
48K reviews

Advanced · Professional Certificate · 3 - 6 Months

Status: Free Trial

IBM

Skills you'll gain: IT Service Management, Cloud Computing, Information Technology Infrastructure Library, Malware Protection, Identity and Access Management, Linux, Incident Response, Networking Hardware, TCP/IP, Cybersecurity, Linux Administration, Network Security, Network Protocols, Computer Security Incident Management, Cloud Security, Operating Systems, Endpoint Detection and Response, Cyber Risk, Data Ethics, Cyber Governance

4.6
Rating, 4.6 out of 5 stars
22K reviews

Beginner · Specialization · 3 - 6 Months

[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] Thanks to client-server architecture, a businesswoman sitting at a table working on her 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 woman sits at her desk with a laptop and is using a wide area network to communicate with her 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] 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] Thanks to client-server architecture, a businesswoman sitting at a table working on her 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 woman sits at her desk with a laptop and is using a wide area network to communicate with her 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

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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