DCA試験無料問題集「Docker Certified Associate (DCA) 認定」

Is this a way to configure the Docker engine to use a registry without a trusted TLS certificate?
Solution. Set INSECURE_REGISTRY in the' /etc/docker/default' configuration file.

A persistentVolumeClaim (PVC) is created with the specification storageClass: "", and size requirements that cannot be satisfied by any existing persistentVolume.
Is this an action Kubernetes takes in this situation?
Solution: The PVC remains unbound until a persistentVolume that matches all requirements of the PVC becomes available.

Is this statement correct?
Solution. A Dockerfile stores persistent data between deployments of a container

Are these conditions sufficient for Kubernetes to dynamically provision a persistentVolume, assuming there are no limitations on the amount and type of available external storage?
Solution: A persistentVolumeClaim is created that specifies a pre-defined provisioner.

Your organization has a centralized logging solution, such as Splunk.
Will this configure a Docker container to export container logs to the logging solution?
Solution. docker logs <eontainer-id>

Does this describe the role of Control Groups (cgroups) when used with a Docker container?
Solution: accounting and limiting of resources

Will this command list all nodes in a swarm cluster from the command line?
Solution: 'docker node Is'

A company's security policy specifies that development and production containers must run on separate nodes in a given Swarm cluster. Can this be used to schedule containers to meet the security policy requirements?
Solution. environment variables

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'