Question 1

You are designing a serverless architecture using Azure Functions.

The function will process images uploaded to Blob Storage. The processing logic takes approximately 8 minutes to execute per image. The workload is highly variable, ranging from 0 to 1,000 images per hour. You need to ensure the function scales automatically based on demand, but you also need to avoid 'cold starts' because the application requires immediate processing when an image is uploaded.

Which Azure Functions hosting plan should you recommend?

Accepted Answer

Evaluate the constraints: >5 min execution time, no cold starts, automatic scaling. The Premium plan is the only one that meets all three.

Question 2

What mistakes do candidates make on this AZ-305 question?

Accepted Answer

Choosing the Consumption plan, forgetting that it suffers from cold starts and has a strict execution timeout limit.

How to approach this question

Full Answer

Common mistakes

Practice the full Azure Solutions Architect Expert AZ-305 Practice Exam 1

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