Docker MCQs with answers Page - 65

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 Docker mode is required to use Docker configs?

  • (A) Standalone mode
  • (B) Compose mode
  • (C) Swarm mode
  • (D) Bridge mode

A

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Q. How do you create a Docker config?

  • (A) docker config create <name> <file>
  • (B) docker config add <name> <value>
  • (C) docker create config <name> <file>
  • (D) docker-compose config create <name> <file>

A

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Q. Can Docker configs be updated after being attached to a service?

  • (A) Yes, they update automatically
  • (B) No, they are immutable
  • (C) Yes, using docker config update
  • (D) Yes, if the container is restarted

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Q. Which command lists all Docker configs?

  • (A) docker config ls
  • (B) docker config list
  • (C) docker list configs
  • (D) docker configs show

A

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Q. What is the difference between Docker secrets and Docker configs?

  • (A) Configs are for sensitive data, secrets are not
  • (B) Secrets are versioned, configs are not
  • (C) Secrets are encrypted, configs are not
  • (D) There is no difference

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Q. Which of the following is true about configs and services?

  • (A) Configs must be manually copied into containers
  • (B) Configs are accessible via environment variables
  • (C) Configs can be mounted as files in the container
  • (D) Configs can only be used with Docker volumes

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Q. What happens if a service is updated with a new config?

  • (A) The config is merged with the old one
  • (B) The old config is modified
  • (C) The old config is deleted
  • (D) A new config must be created and the service updated

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Q. Which of the following file types is commonly stored in Docker configs?

  • (A) .zip
  • (B) .tar.gz
  • (C) .conf
  • (D) .pem

A

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Q. What does the command `docker config inspect <config_name>` do?

  • (A) Edits the config
  • (B) Deletes the config
  • (C) Displays the config metadata and content
  • (D) Downloads the config

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Q. Which option is required when using configs in `docker service create`?

  • (A) --env
  • (B) --mount
  • (C) --config
  • (D) --volume

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