Docker Compose MCQs with answers Page - 5

You will find multiple-choice questions (MCQs) related to #Docker Compose here. Go through these questions to prepare effectively for your upcoming exams and interviews.

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A

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Q. Which key in docker-compose.yml sets memory limits for services?

  • (A) memory_limit
  • (B) mem_limit
  • (C) deploy.resources.limits.memory
  • (D) resources.memory

A

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Q. Which command updates running services after changes in the docker-compose.yml?

  • (A) docker-compose up --build
  • (B) docker-compose restart
  • (C) docker-compose refresh
  • (D) docker-compose rebuild

A

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Q. What is the `profiles` key used for in docker-compose.yml?

  • (A) To manage networks
  • (B) To define service configurations based on environments
  • (C) To set CPU limits
  • (D) To define restart policies

A

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Q. What will `docker-compose down --volumes` do?

  • (A) Remove containers only
  • (B) Remove containers and networks
  • (C) Remove containers, networks, and volumes
  • (D) Only stop the services

A

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Q. What is the default network driver in Docker Compose?

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

A

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Q. What does the `entrypoint` key in docker-compose.yml do?

  • (A) Overrides the default container command
  • (B) Specifies the image to build
  • (C) Defines service dependencies
  • (D) Exposes container ports

A

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Q. Which section defines how to attach to external networks in Compose?

  • (A) external_networks
  • (B) networks with external: true
  • (C) bridge_network
  • (D) custom_networks

A

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Q. How do you specify a custom name for a service container in docker-compose.yml?

  • (A) container_name
  • (B) custom_name
  • (C) name_override
  • (D) alias

A

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Q. Which Docker Compose command stops all services without removing them?

  • (A) docker-compose down
  • (B) docker-compose stop
  • (C) docker-compose pause
  • (D) docker-compose kill

A

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Coach

Q. What does the `logging` key configure in docker-compose.yml?

  • (A) Network settings
  • (B) Log driver and options
  • (C) Restart policies
  • (D) Environment variables

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