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
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Data Administration
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Marketing & Social Media
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Microsoft
Microsoft Office
Network Administration
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Definition: Business Service Agreement A Business Service Agreement is a legally binding document between two or more parties, often a service provider and a client, outlining the terms and conditions under which services will be provided. This agreement specifies the nature of the services to be delivered, timelines, responsibilities of each party, payment terms, confidentiality …
Definition: Service Level Agreement (SLA) A Service Level Agreement (SLA) is a formal document that defines a set of agreed-upon terms and conditions between a service provider and the end user. The primary purpose of an SLA is to specify the levels of service being sold, covering aspects such as quality, availability, responsibilities, and performance …
Definition: Mobile Ad Hoc Network (MANET) A Mobile Ad Hoc Network (MANET) is a self-configuring network of mobile devices connected by wireless links. Each device in a MANET is free to move independently in any direction, and will therefore change its links to other devices frequently. Each must forward traffic unrelated to its own use …
Definition: IT Deming Cycle The IT Deming Cycle, also known as the PDCA (Plan-Do-Check-Act) cycle, is a continuous improvement model used within the Information Technology sector to enhance processes, products, and services. This iterative four-phase approach enables IT professionals to implement changes methodically, assess the results, and make adjustments to improve efficiency, effectiveness, and adaptability …
Definition: Headless CMS A Headless Content Management System (CMS) is a back-end content management platform that provides a way to author, store, and manage content without a built-in front-end or presentation layer. Unlike traditional CMS platforms that tightly couple content management with how and where content is displayed, a headless CMS offers a more flexible …
Definition: Namespace A Namespace is a container that holds a set of identifiers, symbols, or names, ensuring that there is no ambiguity or conflict among them. It’s used in various programming languages and environments to organize code into logical groups, preventing name collisions that can occur when different identifiers have the same name but are …
Definition: Open Handset Alliance (OHA) The Open Handset Alliance (OHA) is a consortium of technology and mobile companies formed in November 2007. The alliance was established with the goal of developing open standards for mobile devices, leading to the creation and subsequent release of Android, a free, open-source mobile operating system. The OHA embodies a …
Definition: Eventual Consistency Eventual consistency is a consistency model used in distributed computing to describe a system where, given enough time without new updates, all replicas in the system will converge to the same state. In an eventually consistent system, it is accepted that for a certain period, different nodes may have inconsistent views of …
Definition: Quiescent Consistency Quiescent consistency is a weak consistency model used in the context of distributed systems and concurrent programming to describe a system’s state when it is not undergoing any operations. Under this model, the system is considered consistent if, after all operations have ceased (reaching a quiescent state), the system’s state is consistent …
Definition: Linearizability Linearizability is a consistency model for designing and verifying concurrent systems, ensuring that operations on shared resources appear to be instantaneous and atomic, regardless of the system’s actual complex behavior. It is a strong form of consistency that provides a simple and intuitive understanding of system behavior by ensuring that operations appear to …
Definition: Distributed Ledger A distributed ledger is a type of database that is consensually shared and synchronized across multiple sites, institutions, or geographies, accessible by multiple people. It allows transactions to have public “witnesses,” thereby making a cyberattack more difficult because all the distributed instances need to be attacked simultaneously for the attack to be …
Definition: Quorum Consensus Quorum consensus in blockchain technology is a mechanism utilized to achieve agreement on a single state or value among distributed processes or systems, such as nodes in a blockchain network. It ensures that despite potential failures or malicious actors within the network, a consistent state can be maintained, thereby allowing the network …
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