Free Docker DCA Exam Questions

Become Docker Certified with updated DCA exam questions and correct answers

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Total 185 Questions | Updated On: Mar 26, 2025

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Question 1

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?

Solution: Kubernetes automatically triggers a user-defined script to attempt to fix the unhealthy

container.

A :

B :

Answer: B

Question 2

Which of the following is true about overlay networks?

A : erlay networks are created only on the manager node that you created the overlay networking on

B : erlay networks are created on all cluster nodes when you create the overlay network.

C : erlay networks are first created on the manager nodes. Then they are created on the worker nodes once a task is scheduled on the specific worker node.

D : erlay networks are only created on the manager nodes.

Answer: B

Question 3

Will this command display a list of volumes for a specific container?

Solution: docker container logs nginx --volumes'

A :

B :

Answer: B

Question 4

You set up an automatic pruning policy on a DTR repository to prune all images using Apache licenses. What effect does this have on images in this repository?

A : tching images are untagged once they are older than the pruning threshold set in the repository's Settings tab.

B : tching Images are untagged during the next prune job.

C : tching images are deleted during the next prune Job.

D : tching images are untagged during the next prune job, and subsequently deleted once they are older than the pruning threshold set in the repository's Settings tab.

Answer: A

Question 5

Two development teams in your organization use Kubernetes and want to deploy their applications

while ensuring that Kubernetes-specific resources, such as secrets, are grouped together for each

application.

Is this a way to accomplish this?

Solution: Create one namespace for each application and add all the resources to it.

A :

B :

Answer: B

Page: 1 / 37

Total 185 Questions | Updated On: Mar 26, 2025

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