Which Azure service enables event-driven serverless applications that automatically run code in response to data changes? Learn how Azure Functions provides scalable, event-triggered compute for modern cloud solutions.
Table of Contents
Question
A company wants to run an event-driven serverless application that automatically triggers functions based on data changes. Which service should they use?
A. Azure Kubernetes Service
B. Azure Virtual Machines
C. Azure DevOps
D. Azure Functions
E. Azure App Service
Answer
D. Azure Functions
Explanation
Azure Functions is a serverless compute service that runs event-driven applications in response to triggers.
The best Azure service for running an event-driven serverless application that automatically triggers functions based on data changes is Azure Functions.
- Event-Driven Serverless Compute: Azure Functions is a fully managed, serverless compute service that allows you to run code in response to a wide variety of events and triggers, such as data changes, file uploads, database updates, HTTP requests, and more.
- Automatic Triggering: Functions can be configured to automatically execute when specific events occur—for example, when a new file is uploaded to Azure Blob Storage, a message arrives in a queue, or a document is updated in a database.
- Scalability: Azure Functions automatically scales out to handle high volumes of events, provisioning resources as needed and scaling back down when demand decreases, ensuring cost efficiency and responsiveness.
- No Infrastructure Management: Developers do not need to manage servers or infrastructure. Azure handles all provisioning, patching, and scaling, allowing you to focus on business logic and application code.
- Integration and Flexibility: Azure Functions supports multiple programming languages and integrates seamlessly with other Azure services, enabling the creation of complex, automated workflows and data pipelines.
- Common Use Cases: Real-time file processing, data transformation, notification systems, serverless APIs, IoT data ingestion, and workflow automation.
Azure Functions is designed for event-driven serverless computing, automatically running code in response to data changes and other triggers, providing a scalable, cost-effective solution for modern cloud applications.
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