Docker Compose MCQs with answers Page - 3

You will find multiple-choice questions (MCQs) related to #Docker Compose here. Go through these questions to prepare effectively for your upcoming exams and interviews.

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Q. Which command resumes services that were paused using Docker Compose?

  • (A) docker-compose continue
  • (B) docker-compose up
  • (C) docker-compose unpause
  • (D) docker-compose resume

A

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Q. Which file format version key is used to specify the version in docker-compose.yml?

  • (A) file_version
  • (B) version
  • (C) compose_version
  • (D) docker_version

A

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Q. Which key in docker-compose.yml defines build context?

  • (A) context
  • (B) path
  • (C) source
  • (D) build_context

A

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Q. What does the `build` key do in docker-compose.yml?

  • (A) Specifies ports to expose
  • (B) Creates volumes
  • (C) Builds a Docker image from a specified context
  • (D) Defines service dependencies

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Q. Which command would remove all stopped containers, networks not used by at least one container, and dangling images?

  • (A) docker-compose clean
  • (B) docker system prune
  • (C) docker-compose down
  • (D) docker-compose prune

A

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Q. What is the effect of `docker-compose up --build`?

  • (A) Stops and removes containers
  • (B) Builds images before starting containers
  • (C) Lists running containers
  • (D) Updates the Docker engine

A

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Q. What is specified by the `command` key in docker-compose.yml?

  • (A) The Docker image to use
  • (B) The command to run inside the container
  • (C) Network settings
  • (D) Volume settings

A

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Q. Which key is used to specify a custom network driver in docker-compose.yml?

  • (A) driver
  • (B) network_driver
  • (C) bridge
  • (D) adapter

A

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Q. How can you limit CPU usage for a service in docker-compose.yml?

  • (A) cpus
  • (B) cpu_limit
  • (C) resources
  • (D) limits

A

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Q. Which command is used to restart containers without stopping them first?

  • (A) docker-compose restart
  • (B) docker-compose refresh
  • (C) docker-compose rebuild
  • (D) docker-compose update

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