IT Support

Explore the key skills and qualifications needed for a career in information technology. Learn how professionals in roles such as IT support specialist play a crucial part in keeping organizational technology systems running smoothly.

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[Featured image] An IT support specialist is on a balcony using their laptop to learn about IPv6.

What Is IPv6 (Internet Protocol Version 6)?

Internet protocol version 6 (IPV6) is the latest iteration of the internet protocol (IP) and addresses the limitations of its predecessor, IPv4.

August 28, 2023

Article

[Featured image] A learner is on their laptop learning about LDAP and how it works.

What Is Lightweight Directory Access Protocol (LDAP)?

LDAP is a lightweight and extensible application protocol that provides a standardized and vendor-neutral means for clients to access and manage directory information.

August 28, 2023

Article

[Featured image] An IT support specialist is reading about MAC addresses on their phone while walking and holding a mug.

What Is a MAC Address?

Explore what MAC addresses are to better understand their importance for computer operating systems.

August 25, 2023

Article

[Featured image] An IT support specialist is on a balcony using their laptop to learn about IPv6.

What Is IPv6 (Internet Protocol Version 6)?

Internet protocol version 6 (IPV6) is the latest iteration of the internet protocol (IP) and addresses the limitations of its predecessor, IPv4.

August 28, 2023

Article

[Featured image] A learner is on their laptop learning about LDAP and how it works.

What Is Lightweight Directory Access Protocol (LDAP)?

LDAP is a lightweight and extensible application protocol that provides a standardized and vendor-neutral means for clients to access and manage directory information.

August 28, 2023

Article

Explore popular IT support courses

Status: Free Trial
Status: New AI skills

Google

Skills you'll gain: Computer Networking, Package and Software Management, Network Troubleshooting, Systems Administration, Cloud Infrastructure, Network Administration, IT Infrastructure, Information Systems Security, TCP/IP, Network Security, File Systems, Microsoft Windows, Computer Security, Professional Networking, Application Security, Desktop Support, Computer Hardware, Technical Support, Interviewing Skills, Applicant Tracking Systems

Build toward a degree

4.8
Rating, 4.8 out of 5 stars
203K reviews

Beginner · Professional Certificate · 3 - 6 Months

Status: Free Trial
Status: AI skills

Microsoft

Skills you'll gain: Microsoft 365, Network Security, Business Software, Computer Hardware, Cybersecurity, Desktop Support, Virtual Private Networks (VPN), Network Troubleshooting, Technical Support, Hardware Troubleshooting, Hardware Architecture, Generative AI, Operating Systems, Collaborative Software, Network Protocols, TCP/IP, Application Security, Microsoft Teams, Information Systems Security, Multi-Factor Authentication

4.7
Rating, 4.7 out of 5 stars
1K reviews

Beginner · Professional Certificate · 3 - 6 Months

Status: Free Trial

Google

Skills you'll gain: Desktop Support, Computer Hardware, Technical Support, Software Installation, Operating Systems, Help Desk Support, Technical Documentation, Hardware Troubleshooting, Software Documentation, End User Training and Support, Computer Networking, Information Technology, Computer Architecture, Technical Communication, Linux, Microsoft Windows

4.8
Rating, 4.8 out of 5 stars
160K reviews

Beginner · Course · 1 - 3 Months

[Featured image] An IT support specialist is sitting outside learning about CIDR on their tablet.

What Is CIDR, and Why Is It Used?

CIDR is a tool that maximizes network routing efficiency via subnetting, supernetting, and a simplified IP address notation.

August 25, 2023

Article

[Featured image] An IT support specialist is researching subnet masking on their phone while standing outside.

What Is a Subnet Mask?

Subnet masks produce more efficient networking and routing by creating subnets. In this article learn more about what subnets are and what they are used for.

August 25, 2023

Article

[Featured image] An IT support specialist looks up TCP/IP on their phone.

What Is TCP/IP?

TCP/IP, or transmission control protocol/internet protocol, is a protocol that sends data between two computers.

August 24, 2023

Article

[Featured image] An IT support specialist is working on their desktop in the office.

What Is IT Infrastructure?

Learn about the different types and components of information technology (IT) infrastructure.

August 24, 2023

Article

[Featured image] An IT support specialist is on their laptop researching about the different types of RAM.

What Is Random Access Memory?

Random access memory (RAM) is a hardware component that provides memory storage in computing devices. Learn more about the various types of RAM and their role in optimizing your computing experience.

August 23, 2023

Article

[Featured image] A cybersecurity tech in a gray shirt stands up looking at a tablet in front of a wall of video security monitors.

What Is Hashing in Cybersecurity?

Hashing is an encryption technique used in cybersecurity to protect and manage information. Learn more about what hashing is and how it’s used.

August 23, 2023

Article

[Featured image] A learner is reading about encapsulation on their tablet while sitting on a flight of stairs.

What Is Encapsulation?

Learn what encapsulation is, how you can use it in programming, and why it’s important for digital security.

August 23, 2023

Article

[Featued image] A person is researching the different routers on their phone while sitting at their desk.

What Is a Router?

Learn why a router is an important piece of computer hardware and what you need to know to maintain and troubleshoot it.

August 23, 2023

Article

[Featued image] A learner is outside researching about the different command-line interfaces

What Is a Command-Line Interface?

All computers, regardless of the operating system, feature a command-line interface that enables user-computer interactions. Learn how it differs from a graphical user interface and the benefits of interacting directly with the command line.

August 22, 2023

Article

[Featured image] An IT support specialist is reading about MAC addresses on their phone while walking and holding a mug.

What Is a MAC Address?

Explore what MAC addresses are to better understand their importance for computer operating systems.

August 25, 2023

Article

[Featured image] An IT support specialist is sitting outside learning about CIDR on their tablet.

What Is CIDR, and Why Is It Used?

CIDR is a tool that maximizes network routing efficiency via subnetting, supernetting, and a simplified IP address notation.

August 25, 2023

Article

[Featured image] An IT support specialist is researching subnet masking on their phone while standing outside.

What Is a Subnet Mask?

Subnet masks produce more efficient networking and routing by creating subnets. In this article learn more about what subnets are and what they are used for.

August 25, 2023

Article

[Featured image] An IT support specialist looks up TCP/IP on their phone.

What Is TCP/IP?

TCP/IP, or transmission control protocol/internet protocol, is a protocol that sends data between two computers.

August 24, 2023

Article

[Featured image] An IT support specialist is working on their desktop in the office.

What Is IT Infrastructure?

Learn about the different types and components of information technology (IT) infrastructure.

August 24, 2023

Article

[Featured image] An IT support specialist is on their laptop researching about the different types of RAM.

What Is Random Access Memory?

Random access memory (RAM) is a hardware component that provides memory storage in computing devices. Learn more about the various types of RAM and their role in optimizing your computing experience.

August 23, 2023

Article

[Featured image] A cybersecurity tech in a gray shirt stands up looking at a tablet in front of a wall of video security monitors.

What Is Hashing in Cybersecurity?

Hashing is an encryption technique used in cybersecurity to protect and manage information. Learn more about what hashing is and how it’s used.

August 23, 2023

Article

[Featured image] A learner is reading about encapsulation on their tablet while sitting on a flight of stairs.

What Is Encapsulation?

Learn what encapsulation is, how you can use it in programming, and why it’s important for digital security.

August 23, 2023

Article

[Featued image] A person is researching the different routers on their phone while sitting at their desk.

What Is a Router?

Learn why a router is an important piece of computer hardware and what you need to know to maintain and troubleshoot it.

August 23, 2023

Article

[Featued image] A learner is outside researching about the different command-line interfaces

What Is a Command-Line Interface?

All computers, regardless of the operating system, feature a command-line interface that enables user-computer interactions. Learn how it differs from a graphical user interface and the benefits of interacting directly with the command line.

August 22, 2023

Article

In today's data-driven world, professionals skilled in IT disciplines are in high demand across many industries. A career in this fast-growing field provides opportunities to use technical skills to drive meaningful business impact. Explore the diverse career paths, essential skills, and job types within IT to start your journey in this exciting and rewarding domain.

Ready to start learning? Explore our catalog of IT support, CompTIA A+, and technical support courses for beginners and experienced professionals.

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