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Microsoft

AZ-400 · Question #23

You need to recommend a Docker container build strategy that meets the following requirements: - Minimizes image sues - Minimizes the security surface area of the final image What should you include i

The correct answer is A. multi-stage builds. Multi-stage builds are a new feature requiring Docker 17.05 or higher on the daemon and client. Multistage builds are useful to anyone who has struggled to optimize Dockerfiles while keeping them easy to read and maintain. https://docs.docker.com/develop/develop-images/multistage

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

Question

You need to recommend a Docker container build strategy that meets the following requirements: - Minimizes image sues - Minimizes the security surface area of the final image What should you include in the recommendation?

Options

  • Amulti-stage builds
  • Bsingle-stage builds
  • CPowerShell Desired State Configuration (DSC)
  • DDocker Swarm

How the community answered

(53 responses)
  • A
    89% (47)
  • B
    2% (1)
  • C
    6% (3)
  • D
    4% (2)

Explanation

Multi-stage builds are a new feature requiring Docker 17.05 or higher on the daemon and client. Multistage builds are useful to anyone who has struggled to optimize Dockerfiles while keeping them easy to read and maintain. https://docs.docker.com/develop/develop-images/multistage-build/

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