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The DCA exam consists of 55 multiple-choice questions, which must be answered within 90 minutes. To pass the exam, candidates must score at least 65%. DCA exam is available in multiple languages, including English, Japanese, and Simplified Chinese. DCA exam can be taken online or at an authorized testing center.

Docker Certified Associate (DCA) exam is a certification program offered by Docker that tests the skills and knowledge required to effectively use the Docker platform. DCA Exam is designed to validate the competency of IT professionals in deploying, managing, and scaling applications using Docker containers. The DCA certification is an industry-standard credential that is recognized globally, and it is highly sought after by IT professionals who work with Docker.

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The objective of Docker DCA is to assist candidates in preparing for the Docker DCA certification test by equipping them with the actual DCA questions PDF and DCA practice exams to attempt the DCA Exam successfully. The Docker DCA practice material comes in three formats, desktop DCA practice test software, web-based DCA practice exam, and DCA Dumps PDF that cover all exam topics.

To prepare for the DCA exam, you need to have a good understanding of Docker technology and its components. You should be familiar with Docker CLI commands, Dockerfile syntax, Docker networking concepts, and container orchestration tools like Docker Compose and Kubernetes. Docker offers a variety of resources to help you prepare for the DCA Exam, including training courses, practice exams, and study guides.

Docker Certified Associate (DCA) Exam Sample Questions (Q46-Q51):

NEW QUESTION # 46
Is this statement correct?
Solution: A Dockerfile stores the Docker daemon's configuration options.

A. Yes
B. No

Answer: B

Explanation:
The statement is not correct. A Dockerfile does not store the Docker daemon's configuration options. A Dockerfile is a text document that contains all the commands a user could call on the command line to assemble an image1. A Dockerfile is used to build images, not to configure the Docker daemon. The Docker daemon's configuration options are stored in a JSON file, which is usually located at /etc/docker/daemon.json on Linux systems, or C:ProgramDatadockerconfigdaemon.json on Windows2. The JSON file allows you to customize the Docker daemon's behavior, such as enabling debug mode, setting TLS certificates, or changing the data directory2. Reference: Dockerfile reference), Docker daemon configuration overview)

NEW QUESTION # 47
In Docker Trusted Registry, is this how a user can prevent an image, such as 'nginx:latest', from being overwritten by another user with push access to the repository?
Solution: Use the DTR web Ul to make all tags in the repository immutable.

A. Yes
B. No

Answer: B

Explanation:
Explanation
This is not how a user can prevent an image from being overwritten by another user with push access to the repository, because making all tags in the repository immutable will also prevent the user from updating their own image tags. According to the official documentation, a better way to prevent an image from being overwritten is to use promotion policies that only allow certain users or teams to push images with specific tags.
References: https://docs.docker.com/ee/dtr/user/promotion-policies/overview/

NEW QUESTION # 48
Will this command list all nodes in a swarm cluster from the command line?
Solution. 'docker inspect nodes

A. Yes
B. No

Answer: B

Explanation:
= The command docker inspect nodes will not list all nodes in a swarm cluster from the command line. This command is invalid, as docker inspect requires one or more object names or IDs as arguments1. To list all nodes in a swarm cluster, you need to use the docker node ls command from a manager node2. This command will display the ID, hostname, status, availability, manager status, and engine version of each node in the swarm2. You can also use the -f or --filter flag to filter the nodes by various criteria, such as role, label, or name2. Reference:
1: docker inspect | Docker Docs
2: docker node ls | Docker Docs

NEW QUESTION # 49
Seven managers are in a swarm cluster.
Is this how should they be distributed across three datacenters or availability zones?
Solution: 3-2-2

A. Yes
B. No

Answer: A

NEW QUESTION # 50
What behavior is expected when a service is created with the following command:
'docker service create --publish 8000:80 nginx'

A. Only a single node in the cluster will listen on port 8080 and forward to port 80 in the
container.
B. All nodes in the cluster will listen on port 8080 and forward to port 80 in the container.
C. Only a single node in the cluster will listen on port 80 and forward to port 8080 in the container.
D. All nodes in the cluster will listen on port 80 and forward to port 8080 in the container.

Answer: B

NEW QUESTION # 51
......

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