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AZ-305 · Question #301

You are developing an app that will use Azure Functions to process Azure Event Hubs events. Request processing is estimated to take between five and 20 minutes. You need to recommend a hosting…

The correct answer is D. Premium. https://learn.microsoft.com/en-us/azure/azure-functions/functions-scale#scale - Event driven. Scale out automatically, even during periods of high load. Azure Functions infrastructure scales CPU and memory resources by adding additional instances of the Functions host, based on…

Submitted by daniela_cl· Mar 6, 2026Design infrastructure solutions

Question

You are developing an app that will use Azure Functions to process Azure Event Hubs events. Request processing is estimated to take between five and 20 minutes. You need to recommend a hosting solution that meets the following requirements: - Supports estimates of request processing runtimes - Supports event-driven autoscaling for the app Which hosting plan should you recommend?

Options

  • ADedicated
  • BConsumption
  • CApp Service
  • DPremium

How the community answered

(50 responses)
  • A
    12% (6)
  • B
    6% (3)
  • C
    4% (2)
  • D
    78% (39)

Explanation

https://learn.microsoft.com/en-us/azure/azure-functions/functions-scale#scale - Event driven. Scale out automatically, even during periods of high load. Azure Functions infrastructure scales CPU and memory resources by adding additional instances of the Functions host, based on the number of events that its functions are triggered on. https://learn.microsoft.com/en-us/azure/azure-functions/functions-scale#timeout - default timeout: 30 mins - max timeout: Unlimited

Topics

#Azure Functions hosting plans#Premium plan#event-driven autoscaling#Event Hubs trigger

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