DCA Exam - Free Mirantis Questions and Answers

Question #1 (Topic: Exam A)

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

Question #2 (Topic: Exam A)

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

Question #3 (Topic: Exam 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

Question #4 (Topic: Exam 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

Question #5 (Topic: Exam 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

Mirantis DCA - Docker Certified Associate Exam