Microsoft Certified: Azure Fundamentals (AZ-900) Practice Exam

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Prepare for your Microsoft Certified: Azure Fundamentals (AZ-900) Exam. Study with flashcards and multiple choice questions, each question comes with hints and explanations. Ace your exam!

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Which Azure service allows you to build and host web apps, mobile back ends, and RESTful APIs without managing infrastructure?

Web Apps
Azure App Service
JSON
Azure Functions

The correct answer is: Azure App Service

The correct answer is Azure App Service because it is a fully managed platform designed for building, deploying, and scaling web applications and APIs. This service abstracts the underlying infrastructure, allowing developers to focus on their application code without the need to manage virtual machines, servers, or storage. Azure App Service supports multiple programming languages, integrates seamlessly with other Azure services, and provides features like auto-scaling, custom domains, and SSL certificates out of the box. While Web Apps is often used informally to refer to web applications on the Azure platform, Azure App Service is the official name of the service that encompasses not only web apps but also mobile back ends and RESTful APIs. This distinction confirms that Azure App Service is tailored for developers looking for a streamlined development experience without the burden of infrastructure management. JSON is a data format used for data interchange and is not related to hosting applications, so it does not apply to the context of the question. Azure Functions is a serverless compute service that allows you to run code in response to events; however, it is better suited for executing smaller code snippets rather than serving as a comprehensive platform for fully fledged web applications.