ExpertHard1 markMultiple Choice
AZ-305 · Question 45 · Domain 4.2: Application Architecture
You are designing an event-driven architecture. When a new file is uploaded to Azure Blob Storage, an Azure Function must be triggered immediately to process the file. The solution must minimize cost, avoid continuous polling, and scale automatically. Which THREE components are required to implement this pattern? (Select THREE)
You are designing an event-driven architecture. When a new file is uploaded to Azure Blob Storage, an Azure Function must be triggered immediately to process the file. The solution must minimize cost, avoid continuous polling, and scale automatically. Which THREE components are required to implement this pattern? (Select THREE)
Answer options:
A.
Azure Event Grid.
B.
Azure Service Bus.
C.
Azure Blob Storage.
D.
Azure Logic Apps.
E.
Azure Functions.
F.
Azure Data Factory.
How to approach this question
Identify the event router that connects Blob Storage to Azure Functions without polling.
Full Answer
To trigger a function immediately upon file upload without polling, Azure Event Grid is used. It subscribes to Blob Storage events and pushes them to the Azure Function handler.
Common mistakes
Selecting Service Bus instead of Event Grid for reactive storage events.
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