Exam KCSA Topic 3 Question 38 Discussion
Actual exam question for Linux Foundation's KCSA exam
Question #: 38
Topic #: 3
Question #: 38
Topic #: 3
What is a multi-stage build?
Suggested Answer: D Vote an answer
* Multi-stage buildsare a Docker/Kaniko feature that allows building images in multiple stages # final image contains only runtime artifacts, not build tools.
* This reducesimage size, attack surface, and security risks.
* Exact extract (Docker Docs):
* "Multi-stage builds allow you to use multiple FROM statements in a Dockerfile. You can copy artifacts from one stage to another, resulting in smaller, optimized images."
* Clarifications:
* A: Collaboration is not the definition.
* B: Multiple repositories # multi-stage builds.
* C: Build concurrency # multi-stage builds.
References:
Docker Docs - Multi-Stage Builds: https://docs.docker.com/develop/develop-images/multistage-build/
* This reducesimage size, attack surface, and security risks.
* Exact extract (Docker Docs):
* "Multi-stage builds allow you to use multiple FROM statements in a Dockerfile. You can copy artifacts from one stage to another, resulting in smaller, optimized images."
* Clarifications:
* A: Collaboration is not the definition.
* B: Multiple repositories # multi-stage builds.
* C: Build concurrency # multi-stage builds.
References:
Docker Docs - Multi-Stage Builds: https://docs.docker.com/develop/develop-images/multistage-build/
by Marcia at Oct 07, 2026, 12:13 PM
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