PASS GUARANTEED 2025 UPDATED DOCKER DCA RELIABLE TEST PRICE

Pass Guaranteed 2025 Updated Docker DCA Reliable Test Price

Pass Guaranteed 2025 Updated Docker DCA Reliable Test Price

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The DCA exam is a computer-based exam that consists of 55 multiple-choice questions. Candidates have 90 minutes to complete the exam and must score at least 65% to pass. DCA Exam is available in English, Japanese, and Simplified Chinese. Candidates can take the exam at any Pearson VUE testing center around the world.

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Docker Certified Associate (DCA) certification is intended for developers, system administrators, and IT professionals who work with Docker. Docker Certified Associate (DCA) Exam certification is an excellent way to demonstrate to potential employers that you have the skills and knowledge required to work with Docker. Docker Certified Associate (DCA) Exam certification is also a great way to enhance your career prospects and increase your earning potential.

Docker Certified Associate (DCA) Exam Sample Questions (Q167-Q172):

NEW QUESTION # 167
Seven managers are in a swarm cluster.
Is this how should they be distributed across three datacenters or availability zones?
Solution: 3-3-1

  • A. No
  • B. Yes

Answer: A

Explanation:
= Distributing seven managers across three datacenters or availability zones as 3-3-1 is not the best way to ensure high availability and fault tolerance. This is because if one of the datacenters with three managers fails, the remaining four managers will not have a quorum to elect a leader and continue the swarm operations. A quorum is the minimum number of managers that must be available to maintain the swarm state, and it is calculated as (N/2) + 1, where N is the total number of managers1. For seven managers, the quorum is five, so losing three managers will cause the swarm to lose the quorum. A better way to distribute seven managers across three datacenters or availability zones is 2-2-3, which will allow the swarm to survive the failure of any one datacenter2. Reference:
Administer and maintain a swarm of Docker Engines
Distribute manager nodes across multiple AZ


NEW QUESTION # 168
You are troubleshooting a Kubernetes deployment called api, and want to see the events table for this object. Does this command display it?
Solution: kubectl logs deployment api

  • A. No
  • B. Yes

Answer: A

Explanation:
= The command kubectl logs deployment api does not display the events table for the deployment object, but rather the logs of the pods that belong to the deployment. To see the events table, you need to use the command kubectl describe deployment api, which shows the details of the deployment, including the events1. Reference: Kubernetes Documentation, Practice Questions for Docker Certified Associate (DCA) Exam


NEW QUESTION # 169
The Kubernetes yaml shown below describes a networkPolicy.

Will the networkPolicy BLOCK this trafftc?
Solution. a request issued from a pod bearing only the tier: frontend label, to a pod bearing the tier: backend label

  • A. Yes
  • B. No

Answer: A

Explanation:
The provided Kubernetes NetworkPolicy YAML configuration indicates that the policy applies to pods with the label tier: backend in the default namespace1.The ingress rule allows traffic from pods with the label tier: api1.Therefore, a request issued from a pod bearing only the tier:frontend label to a pod bearing the tier: backend label will be blocked by this networkPolicy1.This is because the networkPolicy does not have a rule allowing ingress from pods with the tier: frontend label1. For more information on Kubernetes NetworkPolicies, you can refer to theKubernetes Documentation on Network Policies.


NEW QUESTION # 170
Will this sequence of steps completely delete an image from disk in the Docker Trusted Registry?
Solution: Delete the image and run garbage collection on the Docker Trusted Registry.

  • A. Yes
  • B. No

Answer: A

Explanation:
Explanation
Deleting the image and running garbage collection on the Docker Trusted Registry will completely delete the image from disk. According to the official documentation, this is the recommended way to remove images and reclaim disk space.
References: https://docs.docker.com/ee/dtr/admin/manage-images/garbage-collection/


NEW QUESTION # 171
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. Matching images are deleted during the next prune job.
  • B. Matching 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.
  • C. Matching images are untagged once they are older than the pruning threshold set in the repository's Settings tab.
  • D. Matching images are untagged during the next prune job.

Answer: D


NEW QUESTION # 172
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