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DCA Dump Collection | DCA Customized Lab Simulation

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Docker DCA exam is a comprehensive exam that requires a significant amount of preparation. Candidates must have a strong understanding of Docker and must be able to apply their knowledge to real-world scenarios. DCA Exam consists of 55 multiple-choice questions and has a time limit of 90 minutes. Candidates must attain a score of 65% or higher to pass the exam.

Docker Certified Associate (DCA) Exam Sample Questions (Q80-Q85):

NEW QUESTION # 80
You add a new user to the engineering organization in DTR.
Will this action grant them read/write access to the engineering/api repository?
Solution: Add them to a team in the engineering organization that has read/write access to the engineering/api repository.

A. No
B. Yes

Answer: B

Explanation:
Explanation
This action will grant them read/write access to the engineering/api repository, because adding them to a team in the engineering organization that has read/write access to the engineering/api repository is another way to grant permissions to a user in DTR. According to the official documentation, this is an example of using teams and organizations for managing permissions.
References: https://docs.docker.com/ee/dtr/user/manage-repos/permission-levels/

NEW QUESTION # 81
How do you configure Docker engine to use a registry that is not configured with TLS certificates from a trusted CA?

A. Set INSECURE_REGISTRY in the '/etc/docker/default' configuration file
B. Set and export the IGNORE_TLS environment variable on the command line
C. Pass the '--insecure.-registry' flag to the daemon at run time
D. Set IGNORE_TLS in the 'daemon.json' configuration file.

Answer: C

NEW QUESTION # 82
You configure a local Docker engine to enforce content trust by setting the environment variable DOCKER_C0NTENT_TRUST=l. If myorg/myimage: 1.0 is unsigned, does Docker block this command?
Solution. docker image build, from a Dockeflle that begins FROM myorg/myimage: l1.0

A. No
B. Yes

Answer: B

Explanation:
Explanation
Docker blocks this command if you configure a local Docker engine to enforce content trust by setting the environment variable DOCKER_CONTENT_TRUST=1 and if myorg/myimage:1.0 is unsigned. Content trust is a feature that allows you to use digital signatures to verify the integrity and publisher of specific image tags.
When you enable content trust, you can only pull, run, or build with trusted images. If an image tag is unsigned, Docker will block any command that attempts to use it. This includes docker image build, from a Dockerfile that begins FROM myorg/myimage:1.0, if myorg/myimage:1.0 is unsigned. References:
https://docs.docker.com/engine/security/trust/,
https://docs.docker.com/engine/reference/commandline/image_build/

NEW QUESTION # 83
A users attempts to set the system time from inside a Docker container are unsuccessful. Could this be blocking this operation?
Solution: Linux capabilities

A. No
B. Yes

Answer: B

NEW QUESTION # 84
Will this command list all nodes in a swarm cluster from the command line?
Solution: 'docker swarm nodes'

A. No
B. Yes

Answer: A

NEW QUESTION # 85
......

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