DP-300 Certification Practice Question #197

Question

You need to trigger an Azure Data Factory pipeline when a file arrives in an Azure Data Lake Storage Gen2 container.
Which resource provider should you enable?

Accepted Answer

Azure Data Factory's event-based trigger (storage event trigger) relies on **Azure Event Grid** to subscribe to blob storage events in Azure Data Lake Storage Gen2. When a file arrives (BlobCreated event), Event Grid routes the notification to ADF, which then triggers the pipeline. The resource provider that must be registered is **Microsoft.EventGrid**. This is a well-established ADF+ADLS integration pattern. Note that commenters flag this as a DP-203 exam question, but the correct answer remains B regardless.

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