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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: Feb. 24, 2025)
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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Brynn

16 days ago
Any advice on studying Docker orchestration?
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Thomasena

20 days ago
Just became a Docker Certified Associate! Pass4Success made my short prep time count. Their questions were crucial.
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Aileen

1 months ago
Did the exam cover Docker CLI commands in detail?
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Rosita

1 months ago
I passed the Docker Certified Associate Exam, and the Pass4Success practice questions were invaluable. A challenging question was about managing Docker images. It asked how to use Docker Hub and private registries to push and pull images. I was a bit uncertain but still passed the exam.
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Gracia

2 months ago
Were there any questions on Docker image management?
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Talia

2 months ago
Docker Certified Associate exam conquered! Pass4Success's questions were so similar to the real thing. Thank you!
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Lilli

2 months ago
How did you prepare for the exam? Any resources you'd recommend?
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Rory

2 months ago
Thrilled to have passed the Docker Certified Associate Exam! The Pass4Success practice questions were instrumental in my preparation. One question that puzzled me was about orchestrating services in Docker Swarm. It asked how to deploy a stack using a Compose file. I wasn't 100% sure but still managed to pass.
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Lorean

3 months ago
Any surprises on the exam that you didn't expect?
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Twana

3 months ago
Passed my Docker certification today! Pass4Success's practice tests were a lifesaver. Highly recommend for quick study.
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Zona

3 months ago
I successfully passed the Docker Certified Associate Exam, and the Pass4Success practice questions were a big help. There was a tough question on Docker networking. It asked how to create and manage user-defined networks and connect containers to them. I had to recall the specific commands but got through it.
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Jestine

3 months ago
What about Docker Swarm? How detailed were those questions?
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Justa

3 months ago
Excited to announce that I passed the Docker Certified Associate Exam! The Pass4Success practice questions were very useful. One question that caught me off guard was about Docker security. It asked how to configure Docker to use TLS for secure communication between the client and the daemon. I wasn't entirely sure but managed to pass.
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Vilma

3 months ago
Did you encounter any questions on Docker Compose?
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Cecilia

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

4 months 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

4 months ago
How about Docker security? What kind of questions should I expect?
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Cassie

5 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

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

5 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

5 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

5 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

6 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

6 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

6 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

7 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

7 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

7 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

8 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

8 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

9 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 Feb. 24, 2025 (see below)

Question #1

A company's security policy specifies that development and production containers must run on separate nodes in a given Swarm cluster.

Can this be used to schedule containers to meet the security policy requirements?

Solution: node affinities

Reveal Solution Hide Solution
Correct Answer: A

They provide granular control over where pods (or in this case, containers) are scheduled, based on the labels of the nodes1. In the context of Docker Swarm, this means that you could use node affinities to ensure that development and production containers are scheduled on separate nodes, thus meeting the company's security policy requirements12345.


Question #3

A Kubernetes node is allocated a /26 CIDR block (64 unique IPs) for its

address space.

If every pod on this node has exactly two containers in it, how many pods can

this address space support on this node?

Reveal Solution Hide Solution
Correct Answer: E

A Kubernetes node is allocated a /26 CIDR block (64 unique IPs) for its address space. This means that the node can assign up to 64 IP addresses to its resources, such as pods and containers. If every pod on this node has exactly two containers in it, then each pod will need two IP addresses, one for each container. Therefore, the node can support up to 32 pods, since 64 / 2 = 32. The other options are incorrect because they either exceed the available IP addresses or do not account for the number of containers per pod. Reference:

* CIDR Blocks and Container Engine for Kubernetes - Oracle

* How kubernetes assigns podCIDR for nodes? - Stack Overflow


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