QuestionQ1

Develop containerized solutions on Azure

You manage several versions of a container image in Azure Container Registry.

The production deployment must consistently run the identical image build, even if tags change later.

You need to guarantee predictable, immutable image selection during deployment. What should you do?

  • A Tag the image as production and deploy it by using the production tag.
  • B Schedule nightly rebuilds of the image.
  • C Configure deployment to use the latest tag.
  • D Identify the image by using its SHA digest.
Explanation

A container image manifest digest is a unique SHA-256 content identifier for that exact image build. Deploying by digest pins the deployment to that image even if a tag such as production or latest is later moved to another build. About Registries, Repositories, Images, and Artifacts – Azure Container Registry

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