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: Feb 18, 2025

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Question 1

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

A :

B :

Answer: B

Question 2

Is this a Linux kernel namespace that is disabled by default and must be enabled at Docker engine runtime to be used? Solution: user

A :

B :

Answer: A

Question 3

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 4

A Kubernetes node is allocated a /26 CIDR block (64 unique IPs) for its address space.

If every pod on this node has exactly two containers in it, how many pods can this address space

support on this node?

A : 32

B : 32 In every Kubernetes namespace

C : 64 for every service routing to pods on this node

D : 64

Answer: C

Question 5

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

Page: 1 / 37

Total 185 Questions | Updated On: Feb 18, 2025

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