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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+
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Master the art of combating cybersecurity threats and become a cyber hero.
Ethical Hacking (CEH) | CISSP | CISM
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An essential skill set in today's IT environments. Learn cloud computing platforms
Azure Administrator | Google Cloud | AWS Practitioner
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Key to successful projects, learn the skills and methodolgy behind project management.
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Definition: Transient Fault A transient fault, also known as a transient error or soft error, is a temporary error in a system or network that is not caused by a permanent hardware failure. These faults are typically brief and often resolve themselves without any intervention. They can be caused by various factors, such as power …
Definition: jQuery jQuery is a fast, small, and feature-rich JavaScript library designed to simplify the client-side scripting of HTML. It was created by John Resig in 2006 and has since become one of the most popular JavaScript libraries in use today. jQuery makes tasks like HTML document traversal and manipulation, event handling, animation, and Ajax …
Definition: Zstd (Zstandard) Zstd, short for Zstandard, is a fast compression algorithm that offers both high compression ratios and impressive decompression speeds. Developed by Yann Collet at Facebook, Zstd is designed to provide a better balance of compression speed and compression ratio compared to other popular algorithms like gzip and bzip2. Zstd is particularly useful …
Definition: Kryo Kryo is a fast and efficient serialization framework for Java. It is designed to provide high performance for serializing and deserializing Java objects, making it particularly useful in distributed computing environments. Kryo offers both speed and flexibility, allowing developers to optimize their applications’ data transfer processes. Introduction to Kryo Kryo is widely used …
Definition: Wireless Fidelity (Wi-Fi) Wireless Fidelity, commonly known as Wi-Fi, is a wireless networking technology that allows devices such as computers, smartphones, and other equipment to connect to the internet or communicate with one another wirelessly within a particular area. Introduction to Wireless Fidelity (Wi-Fi) Wi-Fi is a ubiquitous technology that has transformed how we …
Definition: Digital Subscriber Line (DSL) Digital Subscriber Line (DSL) is a family of technologies that provides internet access by transmitting digital data over the wires of a local telephone network. DSL service can be delivered simultaneously with wired telephone service on the same telephone line because DSL uses higher frequency bands for data transmission. Introduction …
Definition: Unix Unix is a powerful, multiuser, multitasking operating system originally developed in the 1960s and 1970s at Bell Labs. It has influenced many other operating systems and remains widely used in various forms, including Linux and macOS. Introduction to Unix Unix is a foundational operating system that has played a critical role in the …
Definition: Web Ontology Language (OWL) The Web Ontology Language (OWL) is a semantic web language designed to represent complex information about things, groups of things, and the relationships between them. It is used to create explicit and machine-interpretable content on the web, facilitating greater data interoperability and sharing. Introduction to Web Ontology Language (OWL) The …
Definition: FAT Filesystem The FAT (File Allocation Table) filesystem is a simple and widely used file system architecture developed by Microsoft. It organizes and manages files on storage devices, such as hard drives, floppy disks, and USB flash drives. The FAT filesystem is notable for its simplicity and compatibility across various operating systems and devices. …
Definition: SHA (Secure Hash Algorithm) The Secure Hash Algorithm (SHA) is a family of cryptographic hash functions designed to ensure data integrity and security. These algorithms take an input (or “message”) and produce a fixed-size string of characters, which is typically a hash value. The SHA family includes several algorithms, such as SHA-1, SHA-2, and …
Definition: Unicode Transformation Format (UTF) Unicode Transformation Format (UTF) is a set of character encoding standards that represent each character in the Unicode character set. These encodings are designed to encode characters from all the world’s writing systems in a standardized way, facilitating text processing and data exchange across different platforms and languages. Overview UTF …
Definition: Java Security Manager The Java Security Manager is a security feature within the Java programming language and runtime environment that allows for fine-grained control over the actions that code can perform. It enables developers to specify security policies that restrict access to system resources, such as files, network connections, and system properties, ensuring that …
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