Q33 Cosmos DB Domain 2 · 25–30% of exam

Which Azure service provides a serverless way to execute logic in response to Cosmos DB change feed events without managing infrastructure?

  1. A Azure Logic Apps
  2. B Azure Functions with Cosmos DB trigger (correct answer)
  3. C Azure Data Factory
  4. D Azure Event Grid

Shortcut: Azure Functions with the Cosmos DB trigger listens to the change feed and invokes the function for each batch of changes. It manages checkpointing and parallel consumption automatically.