Mirantis DCA - Docker Certified Associate Exam

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Total 135 questions

What is the difference between the ADD and COPY Dockerfile instructions? (Choose two.)

  • A. ADD supports regular expression handling while COPY does not.
  • B. COPY supports compression format handling while ADD does not.
  • C. ADD supports compression format handling while COPY does not.
  • D. COPY supports regular expression handling while ADD does not.
  • E. ADD supports remote URL handling while COPY does not.


Answer : CE

When an application being managed by UCP fails, you would like a summary of all requests made to the UCP API in the hours leading up to the failure.
What must be configured correctly beforehand for this to be possible?

  • A. UCP audit logs must be set to the ‘metadata’ or ‘request’ level.
  • B. All engines in the cluster must have their log driver set to the ‘metadata’ or ‘request’ level.
  • C. UCP logging levels must be set to the ‘info’ or ‘debug’ level.
  • D. Set the logging level in the config object for the ucp-kube-api-server container to warning or higher.


Answer : A

A user’s attempts to set the system time from inside a Docker container are unsuccessful.
Could this be blocking this operation?
SELinux

  • A. Yes
  • B. No


Answer : A

One of several containers in a pod is marked as unhealthy after failing its livenessProbe many times.
Is this the action taken by the orchestrator to fix the unhealthy container?
The unhealthy container is restarted.

  • A. Yes
  • B. No


Answer : A

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

  • A. Yes
  • B. No


Answer : B

Page:    1 / 27   
Total 135 questions