Docker Certified Associate

Here you have the best Mirantis DCA practice exam questions

You have 135 total questions to study from
Each page has 5 questions, making a total of 27 pages
You can navigate through the pages using the buttons at the bottom
This questions were last updated on January 1, 2026
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Question 1 of 135

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

ADD supports regular expression handling while COPY does not.

COPY supports compression format handling while ADD does not.

ADD supports compression format handling while COPY does not.

COPY supports regular expression handling while ADD does not.

ADD supports remote URL handling while COPY does not.

Correct Answer: C, E

Question 2 of 135

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?

UCP audit logs must be set to the ‘metadata’ or ‘request’ level.

All engines in the cluster must have their log driver set to the ‘metadata’ or ‘request’ level.

UCP logging levels must be set to the ‘info’ or ‘debug’ level.

Set the logging level in the config object for the ucp-kube-api-server container to warning or higher.

Correct Answer: A

Question 3 of 135

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

Yes

Correct Answer: B

Question 4 of 135

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.

Yes

Correct Answer: A

Question 5 of 135

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.

Yes

Correct Answer: B