With an All-Access Pass, you get access to every current and future ITU course. Access over 2,500 hours of on-demand IT Training 24/7. With over 13,000 on-demand training videos and 19,000+ practice questions, you'll have the tools to excel in the critical IT skills needed to elevate your IT Career. Our All-Access pass is available in three affordable plans.
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With an All-Access Pass, you get access to every current and future ITU course. Access over 2,500 hours of on-demand IT Training 24/7. With over 13,000 on-demand training videos and 19,000+ practice questions, you'll have the tools to excel in the critical IT skills needed to elevate your IT Career. Our All-Access pass is available in three affordable plans.
ITU provides a vast array of IT-focused on-demand training designed to help you excel in both entry-level and advanced IT skills. Browse our most popular training or take a deper dive into our robust catalog of training categories.
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CompTIA
Train for a globally recognized IT certification with our comprehensive CompTIA courses.
A+ | Network+ | Security+
Cybersecurity
Master the art of combating cybersecurity threats and become a cyber hero.
Ethical Hacking (CEH) | CISSP | CISM
Cloud Computing
An essential skill set in today's IT environments. Learn cloud computing platforms
Azure Administrator | Google Cloud | AWS Practitioner
Project Management
Key to successful projects, learn the skills and methodolgy behind project management.
PMP | Risk Mgmt | Agile PM
Adobe
Business & Management
Cisco
Cloud Computing
CompTIA
Computer Support
Cybersecurity
Data Administration
Data Analysis
Development & Programming
Marketing & Social Media
Medical Coding & Billing
Microsoft
Microsoft Office
Network Administration
Networking & Software
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Web Development
Definition: Quine A quine is a non-empty computer program that takes no input and produces a copy of its own source code as its only output. The concept is named after the philosopher and logician W.V. Quine, who explored the concept of self-reference and paradoxes. Quines are considered a special class of programs because they …
Definition: Shell Script A shell script is a text file containing a sequence of commands for a Unix-based shell to execute. It’s a powerful tool used to automate repetitive tasks, manage system operations, and more. By combining simple commands into scripts, users can execute complex operations, making shell scripting an essential skill for system administrators, …
Definition: Orphan Process An orphan process is a computer process whose parent process has finished or terminated, leaving it without a parent process within the operating system. Typically, when a parent process ends, its child processes are inherited by an init process (or its equivalent in different operating systems), which then becomes their new parent. …
Definition: Optical Mouse An optical mouse is a computer pointing device that uses a light-emitting diode (LED) and optical sensor to detect movement relative to a surface. Unlike its predecessor, the mechanical mouse, which uses a rolling ball to detect movement, the optical mouse offers greater precision, reliability, and ease of maintenance by eliminating moving …
Definition: Server A server is a computer or system that provides resources, data, services, or programs to other computers, known as clients, over a network. In essence, servers perform tasks on behalf of clients. The term can refer to both the hardware designed for this purpose and the software running on such hardware, facilitating a …
Definition: Host A host in the context of computer networks refers to a computer or other device connected to a network that provides data, services, or resources to other devices or clients on the network. Hosts can range from powerful servers hosting websites to personal computers accessing the internet. Essentially, any device capable of sending …
Definition: Overlay Network An overlay network is a virtual network that is built on top of one or more existing network layers. It allows for the creation of virtualized network topologies that can encapsulate and transport data over these underlying networks without the need to modify them. Overlay networks facilitate flexible network provisioning and management, …
Definition: Fibre Channel over Ethernet (FCoE) Fibre Channel over Ethernet (FCoE) is a network technology that encapsulates Fibre Channel frames over Ethernet networks. This allows Fibre Channel to use 10 Gigabit Ethernet networks (or higher speeds) while preserving the Fibre Channel protocol. FCoE facilitates the convergence of storage and IP protocols onto a single cable, …
Definition: Trace Routing Trace Routing, often referred to as traceroute or tracert, is a network diagnostic tool used to display the route (path) and measure transit delays of packets across an Internet Protocol (IP) network. The tool identifies each hop that packets take on their path from source to destination, providing insight into the path’s …
Definition: Non-Uniform Memory Access (NUMA) Non-Uniform Memory Access (NUMA) is a computer memory design used in multiprocessing, where the memory access time varies depending on the memory location relative to the processor. Under NUMA, a processor can access its own local memory faster than non-local memory (memory local to another processor or memory shared between …
Definition: UART (Universal Asynchronous Receiver-Transmitter) UART, standing for Universal Asynchronous Receiver-Transmitter, is a hardware communication protocol used in serial communication between computers and peripherals. It facilitates asynchronous serial communication where data is transmitted without a shared clock, meaning the sender and receiver each use their own clock signals to coordinate data transmission. This method is …
What Is UART (Universal Asynchronous Receiver-Transmitter)? Read More »
Definition: Grey Hat Hacker A Grey Hat Hacker is an individual who operates between the legal boundaries of white hat and black hat hacking, often without malicious intent but without explicit permission to probe systems for vulnerabilities. Unlike black hat hackers, who exploit vulnerabilities for personal gain or to inflict harm, grey hat hackers might …
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