Docker MCQs with answers Page - 2

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 file is used to define a Docker image?

  • (A) Dockerfile
  • (B) docker-compose.yml
  • (C) docker-config.json
  • (D) docker-image.yml

A

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Q. What is the default network driver in Docker?

  • (A) host
  • (B) bridge
  • (C) overlay
  • (D) macvlan

A

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Q. Which command is used to stop a running Docker container?

  • (A) docker stop
  • (B) docker kill
  • (C) docker pause
  • (D) docker halt

A

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Q. What is Docker Hub?

  • (A) A local Docker registry
  • (B) A cloud-based repository for Docker images
  • (C) A Docker networking tool
  • (D) A Docker monitoring service

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

  • (A) docker rm
  • (B) docker delete
  • (C) docker remove
  • (D) docker erase

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Q. What is the purpose of the EXPOSE instruction in a Dockerfile?

  • (A) To open a port on the host machine
  • (B) To document which ports are used by the container
  • (C) To publish a container's port to the host
  • (D) To map a container's port to a specific host port

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

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

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Q. What is the purpose of the CMD instruction in a Dockerfile?

  • (A) To specify the base image
  • (B) To define the default command to run in the container
  • (C) To set environment variables
  • (D) To copy files into the container

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Q. Which command is used to view logs of a Docker container?

  • (A) docker logs
  • (B) docker view
  • (C) docker inspect
  • (D) docker history

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Q. What is the purpose of the ENTRYPOINT instruction in a Dockerfile?

  • (A) To specify the base image
  • (B) To define the default command to run in the container
  • (C) To set environment variables
  • (D) To copy files into the container

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