Docker Certified Associate (DCA) - DCA Exam Practice Test
Question 1
In the context of a swarm mode cluster, does this describe a node?
Solution: an instance of the Docker engine participating in the swarm
Solution: an instance of the Docker engine participating in the swarm
Correct Answer: B
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Question 2
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: Add all the resources to the default namespace.
Is this a way to accomplish this?
Solution: Add all the resources to the default namespace.
Correct Answer: A
Explanation: Only visible for Actualtests4sure members. You can sign-up / login (it's free).
Question 3
Will this command mount the host's '/data' directory to the ubuntu container in read-only mode?
Solution: 'docker run --volume /data:/mydata:ro ubuntu'
Solution: 'docker run --volume /data:/mydata:ro ubuntu'
Correct Answer: B
Explanation: Only visible for Actualtests4sure members. You can sign-up / login (it's free).
Question 4
Will this configuration achieve fault tolerance for managers in a swarm?
Solution: only two managers, one active and one passive.
Solution: only two managers, one active and one passive.
Correct Answer: A
Explanation: Only visible for Actualtests4sure members. You can sign-up / login (it's free).
Question 5
Will this Linux kernel facility limit a Docker container's access to host resources, such as CPU or memory?
Solution: cgroups
Solution: cgroups
Correct Answer: B
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Question 6
Will this sequence of steps completely delete an image from disk in the Docker Trusted Registry?
Solution: Delete the image and delete the image repository from Docker Trusted Registry
Solution: Delete the image and delete the image repository from Docker Trusted Registry
Correct Answer: A
Explanation: Only visible for Actualtests4sure members. You can sign-up / login (it's free).
Question 7
Will this action upgrade Docker Engine CE to Docker Engine EE?
Solution: Manually download the 'docker-ee' package
Solution: Manually download the 'docker-ee' package
Correct Answer: A
Explanation: Only visible for Actualtests4sure members. You can sign-up / login (it's free).
Question 8
Is this a way to configure the Docker engine to use a registry without a trusted TLS certificate?
Solution. Set INSECURE_REGISTRY in the' /etc/docker/default' configuration file.
Solution. Set INSECURE_REGISTRY in the' /etc/docker/default' configuration file.
Correct Answer: B
Explanation: Only visible for Actualtests4sure members. You can sign-up / login (it's free).
Question 9
In the context of a swarm mode cluster, does this describe a node?
Solution.an instance of the Docker CLI connected to the swarm
Solution.an instance of the Docker CLI connected to the swarm
Correct Answer: A
Explanation: Only visible for Actualtests4sure members. You can sign-up / login (it's free).
Question 10
Which networking drivers allow you to enable multi-host network connectivity between containers?
Correct Answer: A
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Question 11
Are these conditions sufficient for Kubernetes to dynamically provision a persistentVolume, assuming there are no limitations on the amount and type of available external storage?
Solution: A persistentVolumeClaim is created that specifies a pre-defined storageClass.
Solution: A persistentVolumeClaim is created that specifies a pre-defined storageClass.
Correct Answer: B
Explanation: Only visible for Actualtests4sure members. You can sign-up / login (it's free).
