Selenium WebDriver enables direct communication with web browsers through native drivers, allowing realistic simulation of user actions. Its support for multiple browsers and programming languages makes it suitable for diverse testing needs.

DevOps is a collaborative delivery model that integrates development and operations teams throughout the software lifecycle. Instead of working in isolation, teams collaborate from planning and development to deployment and maintenance.

Azure is built on a flexible cloud expansion model that removes the constraints of traditional infrastructure. Businesses can access computing, storage, and networking resources on demand, allowing capacity to increase or decrease instantly based on real-time requirements.