DCA Free Exam Questions & Answers (Updated 2026)

Question No 1

Which of the following commands wifi automatically create a volume when a container is started?

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'docker container run - - name nginxtest - - volumes=/app nginx'

'docker container run - - name nginxtest - v /app:mount nginx'

'docker container run - - name nginxtest - - volumes myvol:/app:new nginx'

'docker container run - - name nginxtest - v myvol:/app nginx'

Question No 2

Which one of the following commands will show a list of volumes for a specific container?

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Question No 3

Which of the following constitutes a production - ready devicemapper configuration for the Docker engine?

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Create a volume group in devicemapper and utilize the ' - - dm.thinpooldev' Docker daemon option, specifying the volume group

Format a partition with xfs and mount it at '/var/lib/docker'

Utilize the ' - - storage - opt dm.directlvm_device' Docker daemon option, specifying a block device

Nothing, devicemapper comes ready for production usage out of the box

Question No 4

Which one of the following commands will result in the volume being removed automatically once the container has exited?

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Question No 5

A container named "analytics" that stores results in a volume called "data" was created. docker run - d - - name=analytics - v data:/data app1 How are the results accessed in "data" with another container called "app2"?

Docker DCA Free Exam Questions (Updated 2026)

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Question No 5