Free Docker DCA Practice Exam Questions and Answers 2026

Does this command display all the pods in the cluster that are labeled as 'env: development'? Solution: 'kubectl get pods --all-namespaces -label env=development'

Will this command mount the host's '/data' directory to the ubuntu container in read-only mode? Solution: 'docker run --add-volume /data /mydata -read-only ubuntu' 

You created a new service named 'http' and discover it is not registering as healthy. Will this command enable you to view the list of historical tasks for this service? Solution: 'docker ps http'

Does this describe the role of Control Groups (cgroups) when used with a Docker container? Solution: role-based access control to clustered resources

During development of an application meant to be orchestrated by Kubernetes, you want to mount the /data directory on your laptop into a container. Will this strategy successfully accomplish this? Solution. Set containers. Mounts. hostBinding: /data in the container's specification.