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DCA Exam Questions & Answers

Exam Code: DCA

Exam Name: Docker Certified Associate (DCA) Exam

Updated: Apr 19, 2024

Q&As: 166

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Practice These Free Questions and Answers to Pass the Docker Certified Associate Exam

Questions 1

Which 'docker run' flag lifts cgroup limitations?

A. 'docker run --isolation'

B. 'docker run --cap-drop'

C. 'docker run --privileged'

D. 'docker run --cpu-period'

Show Answer
Questions 2

Which of the following commands wifi automatically create a volume when a container is started?

A. 'docker container run --name nginxtest --volumes=/app nginx'

B. 'docker container run --name nginxtest -v /app:mount nginx'

C. 'docker container run --name nginxtest --volumes myvol:/app:new nginx'

D. 'docker container run --name nginxtest -v myvol:/app nginx'

Show Answer
Questions 3

A host machine has four CPUs available and two running containers. The sysadmin would like to assign two CPUs to each container.

Which of the following commands achieves this?

A. Set the '--cpuset-cpu's flag to '1.3' on one container and '2.4' on the other container.

B. Set the '--cpuset-cpus' flag to '.5' on both containers

C. Set the '--cpuset-cpus' flag of the 'dockerd' process to the value 'even-spread'

D. Set the '--cpu-quota' flag to '1.3' on one container and '2,4' on the other container.

Show Answer
Questions 4

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: The unhealthy container is restarted.

A. Yes

B. No

Show Answer
Questions 5

Does this describe the role of Control Groups (cgroups) when used with a Docker container?

Solution: user authorization to the Docker API

A. Yes

B. No

Show Answer

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