DOCKER DCA DUMPS PDF OBTAIN EXAM RESULTS SIMPLY 2025

Docker DCA Dumps PDF Obtain Exam Results Simply 2025

Docker DCA Dumps PDF Obtain Exam Results Simply 2025

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The benefits of earning a DCA certification include increased credibility and recognition in the industry, as well as improved job prospects and salary potential. Docker is a widely used technology that has become increasingly popular in recent years. As a result, there is a high demand for IT professionals who possess the skills and knowledge needed to work with Docker in a production environment. The DCA certification is a valuable asset for anyone looking to advance their career in this field.

Docker Certified Associate (DCA) exam is a certification exam that tests an individual's knowledge and skills related to Docker technologies. DCA Exam is designed to validate the skills of professionals who work with Docker on a regular basis, including developers, system administrators, and DevOps engineers. DCA exam covers a range of topics related to Docker, including containerization, orchestration, networking, security, and troubleshooting.

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Docker Certified Associate (DCA) Exam Sample Questions (Q179-Q184):

NEW QUESTION # 179
When seven managers are in a swarm cluster how would they be distributed across three datacenters or availability zones?

  • A. 3-3-1
  • B. 4-2-1
  • C. 3-2-2
  • D. 5-1-1

Answer: C


NEW QUESTION # 180
Is this an advantage of multi-stage builds?
Solution. better logical separation of Dockerfile instructions for increased readability

  • A. Yes
  • B. No

Answer: B

Explanation:
Explanation
Better logical separation of Dockerfile instructions for increased readability is not an advantage of multi-stage builds. Multi-stage builds are a feature that allows you to use multiple FROM statements in your Dockerfile.
Each FROM statement begins a new stage of the build. You can selectively copy artifacts from one stage to another, leaving behind everything you don't want in the final image. The main advantage of multi-stage builds is that they allow you to reduce the size of your final image by only including the essential components and dependencies. Another advantage of multi-stage builds is that they allow you to optimize the build cache by grouping similar instructions in each stage. Better logical separation of Dockerfile instructions for increased readability is not an inherent advantage of multi-stage builds, as it depends on how you write and organize your Dockerfile. References: https://docs.docker.com/develop/develop-images/multistage-build/,
https://docs.docker.com/develop/develop-images/dockerfile_best-practices/#use-multi-stage-builds


NEW QUESTION # 181
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.

  • A. Yes
  • B. No

Answer: B

Explanation:
Adding all the resources to the default namespace is not a way to accomplish this, because it would not isolate the resources for each application. Instead, the teams should use namespaces, which are a mechanism to organize resources in a Kubernetes cluster. Namespaces provide a scope for names of resources and a way to attach authorization and policy to a subset of the cluster. By creating a separate namespace for each application, the teams can ensure that their resources are grouped together and not accessible by other teams or applications.
References:
* What is a Container? | Docker
* Docker Certified Associate Guide | KodeKloud
* DCA Prep Guide | GitHub
* Namespaces | Kubernetes


NEW QUESTION # 182
Will this command ensure that overlay traffic between service tasks is encrypted?
Solution: docker service create --network --secure

  • A. Yes
  • B. No

Answer: B

Explanation:
Explanation
This command will not ensure that overlay traffic between service tasks is encrypted, because it uses an invalid option for enabling encryption and an incomplete option for specifying the network. According to the official documentation, there is no such option as --secure for the docker service create command. The correct option to use is --network <network-name> where <network-name> is an existing overlay network that was created with encryption enabled.
References: https://docs.docker.com/network/drivers/overlay/#encryption
https://docs.docker.com/engine/reference/commandline/service_create/


NEW QUESTION # 183
Is this the purpose of Docker Content Trust?
Solution. Indicate an image on Docker Hub is an official image.

  • A. Yes
  • B. No

Answer: B

Explanation:
The purpose of Docker Content Trust is not to indicate an image on Docker Hub is an official image. Docker Content Trust is a feature that allows users to verify the integrity and publisher of container images they pull or deploy from a registry server, signed on a Notary server1. Docker Content Trust uses digital signatures to ensure that the images are authentic and have not been tampered with2. Official images are a curated set of Docker repositories that are designed to be the best starting point for most users3. They are not necessarily signed by Docker Content Trust, although some of them are. To indicate an image on Docker Hub is an official image, you can look for the blue "official image" badge on the image page. References:
* Content trust in Docker | Docker Docs
* Docker Content Trust: What It Is and How It Secures Container Images
* Official Images on Docker Hub | Docker Docs
* [Docker Hub Quickstart | Docker Docs]


NEW QUESTION # 184
......

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