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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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Train for a globally recognized IT certification with our comprehensive CompTIA courses.
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Ethical Hacking (CEH) | CISSP | CISM
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An essential skill set in today's IT environments. Learn cloud computing platforms
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Definition: Apache Kafka Apache Kafka is an open-source stream-processing software platform developed by the Apache Software Foundation, written in Scala and Java. The project aims to provide a unified, high-throughput, low-latency platform for handling real-time data feeds. Kafka is fundamentally designed to allow a single cluster to serve as the central data backbone for a …
Definition: Site Reliability Engineering (SRE) Site Reliability Engineering (SRE) is a discipline that blends aspects of software engineering with infrastructure and operations. Its primary goal is to create scalable and highly reliable software systems. Originating at Google, SRE focuses on applying a software engineering mindset to system administration topics. Introduction to Site Reliability Engineering The …
Definition: Application Performance Engineering Application Performance Engineering (APE) is a discipline within software engineering focused on ensuring applications perform effectively under their expected workload. It involves the proactive analysis, design, and optimization of an application’s performance to meet desired quality standards. This field encompasses both the tools and processes used to analyze, diagnose, and enhance …
Definition: Kubernetes Volume A Kubernetes volume is a storage unit that can be attached to a pod in a Kubernetes cluster, providing a way for containers within the pod to share data and to persist data beyond the lifecycle of individual containers. Unlike temporary container storage that is erased upon container restart, volumes persist until …
Definition: Dependency Graph A dependency graph is a directed graph that represents the dependencies of several objects towards each other. It is used primarily in computing and mathematics to illustrate the dependencies between various modules, tasks, or events. Each node (vertex) in the graph represents an object, and a directed edge between two nodes illustrates …
Definition: Cryptocurrency Wallet A cryptocurrency wallet is a digital tool that allows users to store, manage, and transact various cryptocurrencies securely. These wallets use cryptographic techniques to provide secure access to digital currencies and are crucial for effectively using cryptocurrency. Introduction to Cryptocurrency Wallets Cryptocurrency wallets do not store physical currencies but rather the digital …
Definition: Digital Twins A digital twin is a virtual model designed to accurately reflect a physical object. These digital replicas are used for running simulations, predicting future conditions, and troubleshooting potential problems, all without the risk and expense of testing on actual objects or systems. Digital twins can be created for a wide variety of …
Definition: Cryptocurrency Cryptocurrency is a type of digital or virtual currency that uses cryptography for security. Unlike traditional currencies issued by governments (fiat currencies), cryptocurrencies operate on decentralized networks based on blockchain technology. A defining feature of cryptocurrencies is that they are generally not issued by any central authority, rendering them theoretically immune to government …
Definition: VDSL (Very-High-Bit-Rate Digital Subscriber Line) VDSL (Very-high-bit-rate Digital Subscriber Line) is a type of DSL broadband communications technology used to transmit data over short distances at high speeds over conventional telephone lines. VDSL achieves significantly higher data rates than older DSL technologies like ADSL, offering both upstream and downstream data rates that can support …
What Is VDSL (Very-High-Bit-Rate Digital Subscriber Line)? Read More »
Definition: Direct Attached Storage (DAS) Direct Attached Storage (DAS) is a digital storage system directly attached to a server or computing device without a network interface, in contrast to network-attached storage (NAS) systems or storage area networks (SAN). DAS can be internal, such as hard drives and solid-state drives inside a server, or external, such …
Definition: Phase-Shift Keying (PSK) Phase-Shift Keying (PSK) is a digital modulation technique used to transmit data by changing the phase of a reference signal (the carrier wave). In PSK, the phase of the carrier signal is varied in accordance with the digital data signal that is being transmitted. It is a commonly used method to …
Definition: Exclusive OR (XOR) Exclusive OR (XOR) is a logical operation that outputs true or 1 only when the inputs differ (one is true, the other is false). In binary terms, XOR returns 1 if the number of 1s in the inputs is odd; otherwise, it returns 0. It is a fundamental operation used in …
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