AZ-400 Question #218: Real Exam Question with Answer & Explanation

The correct answer is C: a multi-stage Dockerfile. Build and test with a multi-stage Dockerfile: build and tests execute inside the container using a multi-stage Docker file, as such test results are not published back to the pipeline. https://docs.microsoft.com/en-us/azure/devops/pipelines/tasks/test/publish-test- results?view=a

Submitted by packet_pusher· Mar 6, 2026Design and implement build and release pipelines

Question

You need to execute inline testing of an Azure DevOps pipeline that uses a Docker deployment model. The solution must prevent the results from being published to the pipeline. What should you use for the inline testing?

Options

Aa single stage Dockerfile
Ban Azure Kubernetes Service (AKS) pod
Ca multi-stage Dockerfile
Da Docker Compose file

Explanation

Build and test with a multi-stage Dockerfile: build and tests execute inside the container using a multi-stage Docker file, as such test results are not published back to the pipeline. https://docs.microsoft.com/en-us/azure/devops/pipelines/tasks/test/publish-test- results?view=azure-devops&tabs=trx%2Cyaml

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