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] Two network security engineers collaborate while troubleshooting a web development project to enhance cybersecurity.

What Does a Network Security Engineer Do?

Network security engineers help businesses keep important, sensitive data safe. Learn more about this role, including the skills, education, and cybersecurity experience you’ll need to be successful.

October 25, 2024

Article

[Featured Image] An IT expert sits at a laptop wearing a headset and talking a technician through a network layer repair.

What Is the Network Layer? Definition and Practical Applications

The network layer allows for end-to-end communication between computer networks by assigning addresses to devices and routing data packets. Learn more about what the network layer is and the functions it performs in the broader networking system.

October 25, 2024

Article

[Featured Image] A software engineer sits at a workstation, using containerization to simplify his job.

What Is Containerization? Software Explained

With containerization, you create software in a way that makes it more adaptable to different machines. Explore why software professionals use containerization across industries, as well as the benefits and drawbacks of using such software.

October 25, 2024

Article

[Featured Image] Two network security engineers collaborate while troubleshooting a web development project to enhance cybersecurity.

What Does a Network Security Engineer Do?

Network security engineers help businesses keep important, sensitive data safe. Learn more about this role, including the skills, education, and cybersecurity experience you’ll need to be successful.

October 25, 2024

Article

[Featured Image] An IT expert sits at a laptop wearing a headset and talking a technician through a network layer repair.

What Is the Network Layer? Definition and Practical Applications

The network layer allows for end-to-end communication between computer networks by assigning addresses to devices and routing data packets. Learn more about what the network layer is and the functions it performs in the broader networking system.

October 25, 2024

Article

Explore popular IT courses

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
267 reviews

Beginner · Course · 1 - 3 Months

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
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, Network Administration, TCP/IP, Git (Version Control System), Chef (Configuration Management Tool), Network Security, Ruby (Programming Language), File Systems, 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] Three co-workers are sending files through their communication network protocols on digital tablets.

The 3 Types of Network Protocols

Explore what network protocols are, including different types centered around communication, management, and security.

October 24, 2024

Article

[Featured Image] A network engineer works on his computer to implement network monitoring software.

Network Monitoring Software: What It Is and Why to Use It

Discover the details of enterprise networking monitoring software, including its benefits, operational mechanisms, and best practices.

October 24, 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? (And How to Become One)

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 23, 2024

Article

[Featured Image] A person looking at a computer monitor using exFAT to organize their 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 17, 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 12, 2024

Article

[Featured Image] Two people 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 12, 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 10, 2024

Article

[Featured Image] A software engineer sits at a workstation, using containerization to simplify his job.

What Is Containerization? Software Explained

With containerization, you create software in a way that makes it more adaptable to different machines. Explore why software professionals use containerization across industries, as well as the benefits and drawbacks of using such software.

October 25, 2024

Article

[Featured Image] Three co-workers are sending files through their communication network protocols on digital tablets.

The 3 Types of Network Protocols

Explore what network protocols are, including different types centered around communication, management, and security.

October 24, 2024

Article

[Featured Image] A network engineer works on his computer to implement network monitoring software.

Network Monitoring Software: What It Is and Why to Use It

Discover the details of enterprise networking monitoring software, including its benefits, operational mechanisms, and best practices.

October 24, 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? (And How to Become One)

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 23, 2024

Article

[Featured Image] A person looking at a computer monitor using exFAT to organize their 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 17, 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 12, 2024

Article

[Featured Image] Two people 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 12, 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 10, 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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