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Docker DCA Exam Questions

Exam Name: Docker Certified Associate Exam
Exam Code: DCA
Related Certification(s): Docker Certified Associate Certification
Certification Provider: Docker
Number of DCA practice questions in our database: 183 (updated: Nov. 09, 2024)
Expected DCA Exam Topics, as suggested by Docker :
  • Topic 1: Run Containerized Applications from Pre-Existing Images Stored in a Centralized Registry
  • Topic 2: Deploy Images Across the Cluster
  • Topic 3: Install Maintain and Operate the Docker Platform
  • Topic 4: Triage Issue Reports from Stakeholders and Resolve
  • Topic 5: Standup new Docker Environments and Perform General Maintenance and Configuration
  • Topic 6: Migrate Traditional Applications to Containers
  • Topic 7: Configure and Troubleshoot Docker Engine
Disscuss Docker DCA Topics, Questions or Ask Anything Related
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Vilma

Did you encounter any questions on Docker Compose?
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Cecilia

1 days ago
Docker Certified Associate: check! Pass4Success's exam questions were invaluable. Couldn't have done it without them!
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Rebbecca

12 days ago
I passed the Docker Certified Associate Exam, thanks to the Pass4Success practice questions. There was a question about installing Docker on different operating systems. It asked for the steps to install Docker on a Windows machine using Docker Desktop. I was a bit unsure about the exact steps but still succeeded.
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Carin

29 days ago
How about Docker security? What kind of questions should I expect?
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Cassie

1 months ago
Happy to share that I passed the Docker Certified Associate Exam. The practice questions from Pass4Success were a lifesaver. One challenging question was about persistent storage in Docker. It asked how to create and manage named volumes and bind mounts. I had to think hard about the differences but managed to get it right.
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Lashaunda

1 months ago
Whew, that Docker exam was tough! Grateful for Pass4Success - their materials helped me pass in record time.
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Chun

1 months ago
Congrats! I'm studying for it now. Any tips on Docker networking concepts? I heard there are several questions on that.
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Jose

2 months ago
Just cleared the Docker Certified Associate Exam! The Pass4Success practice questions were a great resource. There was a tricky question on creating Docker images using multi-stage builds. It asked how to minimize the final image size by using multiple FROM statements. I wasn't entirely confident in my answer, but I still made it through.
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Brittni

2 months ago
Pretty detailed! Study how to limit CPU and memory usage for containers, and understand cgroups. Practice setting resource constraints using Docker run commands.
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Daniela

2 months ago
I recently passed the Docker Certified Associate Exam, and I must say, the Pass4Success practice questions were incredibly helpful. One of the questions that stumped me was about setting up a multi-node Docker Swarm cluster. It asked about the specific commands needed to initialize the swarm and add worker nodes. I was unsure about the exact sequence, but I managed to pass the exam.
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Herminia

2 months ago
Just passed the Docker Certified Associate exam! Pass4Success's practice questions were spot-on. Thanks for the quick prep!
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Corazon

3 months ago
Passing the Docker Certified Associate Exam was a great achievement for me, and I owe a big part of my success to the practice questions from Pass4Success. One question that I remember from the exam was related to running containerized applications from pre-existing images stored in a centralized registry. It required me to demonstrate my understanding of how to efficiently manage and deploy containers in a distributed environment, which was a key concept covered in my preparation.
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Francoise

3 months ago
Aced the Docker Certified Associate exam! Pay attention to Docker Swarm questions, particularly service scaling and updates. Know how to troubleshoot common Swarm issues. Pass4Success practice tests were invaluable – they really nailed the exam content and format.
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Thea

4 months ago
My experience taking the Docker Certified Associate Exam was a success, thanks to the helpful practice questions provided by Pass4Success. I encountered a question on the exam that tested my knowledge of deploying images across a cluster. Although I was unsure of the answer at first, I was able to apply my understanding of the topic to make an informed choice and ultimately pass the exam.
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Fannie

4 months ago
Docker security was a major focus on the exam. Expect questions about image scanning and best practices for secure container deployment. Brush up on Docker Content Trust and role-based access control. Pass4Success materials were crucial for my success – highly recommended!
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Germaine

5 months ago
Just passed the Docker Certified Associate exam! Huge thanks to Pass4Success for their spot-on practice questions. Pay attention to Docker Swarm questions, especially on service scaling and rolling updates. Understanding the nuances of docker-compose.yml file structure is crucial. I found the exam challenging but manageable with proper preparation.
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Selene

5 months ago
I recently passed the Docker Certified Associate Exam using Pass4Success practice questions. The exam was challenging, but I was able to confidently answer questions related to running containerized applications from pre-existing images stored in a centralized registry. One question that stood out to me was about the best practices for deploying images across a cluster, which I had to carefully consider before selecting the correct answer.
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Kaitlyn

5 months ago
Just passed the Docker Certified Associate exam! Encountered tricky questions on Docker networking, especially overlay networks. Make sure to understand how containers communicate across multiple hosts. Big thanks to Pass4Success for their spot-on practice questions – saved me tons of prep time!
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Free Docker DCA Exam Actual Questions

Note: Premium Questions for DCA were last updated On Nov. 09, 2024 (see below)

Question #5

Is this a way to configure the Docker engine to use a registry without a trusted TLS certificate?

Solution: Set IGNORE_TLS in the 'daemon.json' configuration file.

Reveal Solution Hide Solution
Correct Answer: B

= This is not a way to configure the Docker engine to use a registry without a trusted TLS certificate. There is no such option as IGNORE_TLS in the daemon.json configuration file.The daemon.json file is used to configure various aspects of the Docker engine, such as logging, storage, networking, and security1.To use a registry without a trusted TLS certificate, you need to either add the certificate to the trusted root certificates of the system, or configure the Docker engine to allow insecure registries2.To add the certificate to the trusted root certificates, you need to copy the certificate file to the /etc/docker/certs.d/<registry-hostname>/ directory on every Docker host2.To configure the Docker engine to allow insecure registries, you need to add the registry hostname or IP address to the ''insecure-registries'' array in the daemon.json file3. For example:

{ ''insecure-registries'' : [''myregistry.example.com:5000''] }

Note that using insecure registries is not recommended, as it exposes you to potential man-in-the-middle attacks and data corruption3.You should always use a registry with a trusted TLS certificate, or use Docker Content Trust to sign and verify your images4.Reference:

Daemon configuration file | Docker Docs

Verify repository client with certificates | Docker Docs

Test an insecure registry | Docker Docs

Content trust in Docker | Docker Docs


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