Docker MCQs with answers Page - 20

Here, you will find a collection of MCQ questions on Docker. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. Which of the following Docker commands is used to remove a specific image?

  • (A) docker rm image_name
  • (B) docker rmi image_name
  • (C) docker remove image_name
  • (D) docker image rm image_name

A

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Q. What is Docker Compose primarily used for?

  • (A) Building images from a Dockerfile
  • (B) Defining and running multi-container Docker applications
  • (C) Running a single container application
  • (D) Orchestrating containers across multiple hosts

A

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Q. Which of the following options is used to pass environment variables to a Docker container?

  • (A) -e
  • (B) --env
  • (C) --env-file
  • (D) All of the above

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Q. What is the role of the Docker daemon?

  • (A) To manage and run Docker containers
  • (B) To configure Docker settings
  • (C) To monitor Docker images
  • (D) To create Docker images

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Q. Which command is used to remove a running container?

  • (A) docker stop -f
  • (B) docker rm -f
  • (C) docker remove -f
  • (D) docker kill -f

A

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Q. Which of the following is true about Docker volumes?

  • (A) Volumes persist data across container restarts
  • (B) Volumes are ephemeral and get deleted when the container is deleted
  • (C) Volumes are only accessible inside the container
  • (D) Volumes are used for storing images

A

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Q. Which of the following commands is used to pull a Docker image from Docker Hub?

  • (A) docker pull image_name
  • (B) docker fetch image_name
  • (C) docker get image_name
  • (D) docker download image_name

A

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Q. What is the default port for the Docker daemon?

  • (A) 8080
  • (B) 2375
  • (C) 443
  • (D) 5000

A

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Q. What is the purpose of the 'docker exec' command?

  • (A) To execute a command inside a running container
  • (B) To create a new container
  • (C) To stop a running container
  • (D) To list running containers

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Q. Which Docker command is used to list all images on the local system?

  • (A) docker images
  • (B) docker list images
  • (C) docker show images
  • (D) docker image list

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