AZ-305 domain - 38% of the exam

Design Infrastructure Solutions

Design Infrastructure Solutions is 38% of the Designing Microsoft Azure Infrastructure Solutions (AZ-305) (AZ-305) exam. These are the objectives it covers, each with practice questions and worked explanations.

Objectives in this domain

Sample question from this domain

Free sampleDesign Infrastructure Solutionsmedium

A team migrates a 12-minute end-of-day report function from on-premises to Azure Functions. The current draft uses the legacy Consumption plan. What is the documented maximum function timeout on that plan?

  • AUnbounded execution duration up to 60 minutes on the Consumption plan.
  • B10 minutes maximum on the Consumption plan, with a 5-minute default. Correct
  • C30 minutes maximum on the Consumption plan, matching other serverless plans.
  • D230 seconds maximum on any HTTP-triggered Function regardless of plan.
Legacy Consumption tops out at 10 minutes per execution; everything longer needs Flex Consumption, Premium, or Dedicated. The Functions hosting comparison table lists the legacy Consumption plan with a 5-minute default and 10-minute maximum timeout. A 12-minute job will not fit and the team should choose Flex Consumption, Premium, or Dedicated for an unbounded timeout.

Why A is wrong: Unbounded execution is documented for Flex Consumption, Premium, Dedicated, and Container Apps, not the legacy Consumption plan.

Why B is correct: Correct. The Functions hosting comparison table lists the legacy Consumption plan with a 5-minute default and 10-minute maximum timeout.

Why C is wrong: 30 minutes is the default timeout on the other plans, not the maximum on Consumption.

Why D is wrong: 230 seconds is the HTTP-trigger response limit imposed by the Azure Load Balancer; it is not the overall function timeout for non-HTTP triggers.

Other domains in this exam

See also the AZ-305 cert hub, the study guide, and the cheat sheet.

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