Docker MCQs with answers Page - 16

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. What is the purpose of the 'docker inspect' command?

  • (A) To view logs of a container
  • (B) To display detailed information about a Docker object
  • (C) To list running containers
  • (D) To build a Docker image

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Q. Which command is used to create a Docker network?

  • (A) docker network create
  • (B) docker create network
  • (C) docker net add
  • (D) docker network add

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

  • (A) To execute a command in a running container
  • (B) To start a new container
  • (C) To build a Docker image
  • (D) To stop a running container

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

  • (A) To save changes made to a container as a new image
  • (B) To push an image to Docker Hub
  • (C) To create a new container
  • (D) To delete a Docker image

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Q. Which Docker command is used to build a Docker image from a Dockerfile?

  • (A) docker create
  • (B) docker build
  • (C) docker run
  • (D) docker generate

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Q. What is a Docker 'service' in the context of Docker Swarm?

  • (A) A single container running on the Swarm cluster
  • (B) A group of containers managed by Docker Swarm
  • (C) A networking resource for containers
  • (D) A task for orchestrating containers

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Q. Which of the following is a valid Docker command to view the logs of a container?

  • (A) docker logs container_name
  • (B) docker view container_logs
  • (C) docker status container_name
  • (D) docker exec container_name logs

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Q. What is Docker Hub?

  • (A) A tool for building Docker images
  • (B) A public repository for Docker images
  • (C) A network service for containers
  • (D) A tool for orchestrating Docker containers

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Q. What does the 'docker-compose up' command do?

  • (A) Starts the services defined in a docker-compose.yml file
  • (B) Stops the services in a docker-compose.yml file
  • (C) Builds the Docker image from the Dockerfile
  • (D) Uploads a Docker image to Docker Hub

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Q. What is the purpose of Docker's multi-stage builds?

  • (A) To build images with multiple base images to reduce the image size
  • (B) To add multiple layers to a Docker image
  • (C) To automate the deployment of containers
  • (D) To run containers on multiple machines

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