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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.
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Definition: Row-Level Security Row-Level Security (RLS) is a data security feature that restricts access to data at the row level based on a user’s identity or other contextual factors. It allows different users to see different subsets of data in the same table, ensuring that users can only access the data for which they have …
Definition: Load Balancer Stickiness Load Balancer Stickiness, also known as session persistence, is a feature of load balancers that ensures all requests from a single user or client are directed to the same backend server for the duration of a session. This behavior helps maintain session state and provides a consistent experience for users. Overview …
Definition: User Namespace A user namespace is a feature in the Linux kernel that allows for the isolation and mapping of user and group IDs between different namespaces. This feature enables a process to have different user and group IDs inside the namespace compared to the outside, providing enhanced security and isolation for containerized environments …
Definition: HTTP/2 Server Push HTTP/2 Server Push is a feature of the HTTP/2 protocol that allows the server to proactively send resources to the client before the client explicitly requests them. This capability is designed to reduce latency and improve the performance of web applications by anticipating the client’s needs and preloading resources that are …
Definition: HTTP/2 Multiplexing HTTP/2 multiplexing is a feature of the HTTP/2 protocol that allows multiple requests and responses to be sent concurrently over a single TCP connection. This capability enhances the efficiency of web communications by reducing latency and improving the utilization of network resources. Overview of HTTP/2 Multiplexing HTTP/2 is a major revision of …
Definition: GraphQL Subscriptions GraphQL Subscriptions are a feature of the GraphQL specification that allow clients to receive real-time updates from the server. They provide a way to push data from the server to the client whenever a specific event occurs, enabling dynamic and interactive applications by keeping clients in sync with server-side changes. Overview of …
Definition: Git Submodules Git submodules are a feature in Git that allow you to include and manage external repositories within another repository. Submodules enable you to track and integrate code from different projects or libraries, maintaining a reference to a specific commit within the submodule’s repository. This approach helps manage dependencies and modularize large projects. …
Definition: Git Branching Git branching is a feature in the Git version control system that allows developers to create independent lines of development within a repository. Branches enable parallel development by isolating changes, making it easier to manage features, bug fixes, and experiments without affecting the main codebase. Overview of Git Branching Branching is a …
Definition: Direct Memory Access (DMA) Direct Memory Access (DMA) is a feature of computer systems that allows certain hardware subsystems to access main system memory independently of the central processing unit (CPU). DMA improves system performance by enabling data transfers directly between memory and peripherals, reducing CPU intervention and freeing up processing resources for other …
Definition: Forward Secrecy Forward Secrecy (FS), also known as Perfect Forward Secrecy (PFS), is a security feature in cryptographic protocols that ensures that session keys used for encrypted communications are not compromised even if the server’s private key is compromised in the future. This means that each session key is unique and ephemeral, preventing any …
Definition: QBE (Query By Example) Query By Example (QBE) is a database query language for relational databases that allows users to retrieve data by providing a sample or template of the desired output. Instead of writing complex query syntax, users can fill out a form with examples of the data they seek, and the system …
Definition: Python async/await Python async/await is a syntactic feature introduced in Python 3.5 that enables writing asynchronous code using coroutines. It allows for non-blocking execution, enabling concurrent operations within a single thread, improving performance and responsiveness in applications such as web servers, network clients, and other I/O-bound tasks. Overview of Python async/await The async/await syntax …
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