Docker MCQs with answers Page - 7

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 command is used to list all running services in Docker Compose?

  • (A) docker-compose ps
  • (B) docker-compose list
  • (C) docker-compose status
  • (D) docker-compose show

A

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Q. What is the purpose of 'volumes' in a Docker Compose file?

  • (A) To mount external files into containers
  • (B) To specify environment variables
  • (C) To define services
  • (D) To scale the services

A

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Q. Which of the following is NOT a valid service type in Docker Compose?

  • (A) Build
  • (B) Run
  • (C) Network
  • (D) Volume

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Q. How do you define the network settings for a service in Docker Compose?

  • (A) Using the 'networks' key
  • (B) Using the 'link' key
  • (C) Using the 'connections' key
  • (D) Using the 'network' key

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Q. What is the default network mode for services in Docker Compose?

  • (A) bridge
  • (B) host
  • (C) none
  • (D) overlay

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Q. Which of the following commands is used to execute a command inside a running Docker Compose container?

  • (A) docker-compose exec
  • (B) docker exec
  • (C) docker-compose run
  • (D) docker-compose command

A

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Q. How do you configure a custom Docker Compose file name?

  • (A) Using the '--file' flag
  • (B) Using the '--config' flag
  • (C) Using the '--name' flag
  • (D) Using the '--compose' flag

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Q. Which command is used to check the status of all services in Docker Compose?

  • (A) docker-compose status
  • (B) docker-compose show
  • (C) docker-compose ps
  • (D) docker-compose check

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

  • (A) Rebuilds the services defined in the Compose file
  • (B) Starts the services
  • (C) Shows the service status
  • (D) Scales the services

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Q. Which command removes stopped containers, networks, and volumes created by Docker Compose?

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

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