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Additionally, students can take multiple Docker DCA exam questions, helping them to check and improve their performance. Three formats are prepared in such a way that by using them, candidates will feel confident and crack the Docker Certified Associate (DCA) Exam (DCA) actual exam. These three formats suit different preparation styles of DCA test takers.
| Certification Vendor: | Docker |
|---|---|
| Exam Name: | Docker Certified Associate (DCA) Exam |
| Exam Number: | DCA |
| Passing Score: | ~65% |
| Real Exam Qty: | 55 |
| Exam Format: | Multiple Choice, Discrete Option Multiple Choice (DOMC) |
| Available Languages: | English |
| Exam Duration: | 90 minutes |
| Certificate Validity Period: | 2 years |
| Related Certifications: | Docker Certified Associate |
| Exam Price: | $195 USD |
| Sample Questions: | Docker DCA Sample Questions |
| Exam Way: | Online proctored exam (via PSI) or at a PSI testing center |
| Pre Condition: | 6+ months of hands-on experience with Docker recommended; understanding of containerization concepts and Docker architecture |
| Official Syllabus URL: | https://success.docker.com/certification |
Docker certifications have strong authority in this field and are recognized by all companies in most of companies in the whole world. DCA new test camp questions are the best choice for candidates who are determined to clear exam urgently. If you purchase our DCA New Test Camp questions to pass this exam, you will make a major step forward for relative certification. Also you can use our products pass the other exams.
Docker Certified Associate (DCA) exam is an excellent opportunity for IT professionals who want to advance their careers in Docker technology. Docker Certified Associate (DCA) Exam certification demonstrates the candidate's ability to create and manage Docker applications, which is highly valued by employers who use Docker technology. Furthermore, obtaining DCA certification can lead to higher salaries, better job opportunities, and increased job security. Whether you're a developer, system administrator, or IT manager, the DCA certification can help you take your career to the next level.
Docker Certified Associate (DCA) exam is an industry-recognized certification that validates an individual’s knowledge and skills in managing and deploying Docker containers. DCA exam covers a wide range of topics related to Docker and its related technologies, including container networking, image creation and management, container orchestration, and security. Docker Certified Associate (DCA) Exam certification is highly valued in the industry and can lead to higher salaries and promotions. Candidates can prepare for the exam by taking advantage of Docker’s training courses and resources or by using third-party study materials.
The DCA Certification is an internationally recognized credential that demonstrates an individual's proficiency in Docker technology. It is a valuable certification for developers, system administrators, and IT professionals who want to enhance their skills in containerization and Docker technology. The DCA certification validates the candidate's ability to design, build, deploy, and manage Docker containers and applications.
NEW QUESTION # 132
Will this action upgrade Docker Engine CE to Docker Engine EE?
Solution. Disable the Docker service via 'chkconfig' or 'systemctl'.
Answer: A
Explanation:
The action will not upgrade Docker Engine CE to Docker Engine EE. Disabling the Docker service via chkconfig or systemctl will only stop the Docker daemon from running, but it will not change the version or edition of the Docker engine1. To upgrade Docker Engine CE to Docker Engine EE, you need to follow these steps2:
* Download your Docker Enterprise license from the Docker Store).
* Install the docker-ee package from the Docker repository.
* Restart the Docker service and verify the version and edition. References: Start or stop the Docker daemon), How to upgrade Docker 18.09 Community Edition to Docker Enterprise 18.09)
NEW QUESTION # 133
Is this a way to configure the Docker engine to use a registry without a trusted TLS certificate?
Solution. Set INSECURE_REGISTRY in the' /etc/docker/default' configuration file.
Answer: B
Explanation:
Explanation
= Setting INSECURE_REGISTRY in the /etc/docker/default configuration file is one way to configure the Docker engine to use a registry without a trusted TLS certificate. This option tells the Docker daemon to accept insecure connections to the specified registry, bypassing the certificate verification1. However, this method is not recommended, as it exposes the registry and the Docker engine to potential security risks2. A better way to use a registry without a trusted TLS certificate is to add the registry's CA certificate to the Docker daemon's trust store, as described in the Docker documentation3 or other online guides4. References:
* 1: How to build docker registry without SSL
* 2: Verify repository client with certificates | Docker Docs
* 3: "docker pull" certificate signed by unknown authority
* 4: Login to docker registry with client certificate under windows
NEW QUESTION # 134
Will this command ensure that overlay traffic between service tasks is encrypted?
Solution:docker network create -d overlay --secure
Answer: A
Explanation:
Explanation
= I cannot give you a comprehensive explanation, but I can tell you that the command is not correct. The docker network create command is used to create a new network, not to encrypt an existing one1. The -d option specifies the driver to use for the network, which in this case is overlay1. The overlay driver enables multi-host networking for swarm services2. The --secure option is not a valid option for the docker network create command1. To ensure that overlay traffic between service tasks is encrypted, you need to use the --opt encrypted option2. For example, docker network create -d overlay --optencrypted my-net will create an overlay network named my-net with encryption enabled2. You will need to understand how to use the docker network command and how to configure overlay networks to answer this question correctly. References:
* Docker network create command documentation: 1
* Overlay network encryption documentation: 2
I hope this helps you prepare for your DCA exam. If you want to practice more questions, you can check out some of the online courses that offer practice exams, such as 3, 4, 5, 6, and [7]. Good luck!
NEW QUESTION # 135
Will this sequence of steps completely delete an image from disk in the Docker Trusted Registry?
Solution: Delete the image and delete the image repository from Docker Trusted Registry
Answer: A
Explanation:
Explanation
Deleting the image and deleting the image repository from Docker Trusted Registry will not completely delete the image from disk. According to the official documentation, you also need to run garbage collection on the Docker Trusted Registry to reclaim disk space.
References: https://docs.docker.com/ee/dtr/admin/manage-images/garbage-collection/
NEW QUESTION # 136
During development of an application meant to be orchestrated by Kubernetes, you want to mount the /data directory on your laptop into a container.
Will this strategy successfully accomplish this?
Solution. Set containers. Mounts. hostBinding: /data in the container's specification.
Answer: A
Explanation:
The strategy will not successfully accomplish mounting the /data directory on your laptop into a container. The containers. Mounts. hostBinding: /data is not a valid syntax for specifying a bind mount in a Kubernetes container specification. According to the Kubernetes documentation), the correct way to mount a host directory into a container is to use a hostPath volume, which takes a path parameter that specifies the location on the host. For example, to mount the /data directory on your laptop into a container at /var/data, you can use the following YAML snippet:
spec:
containers:
-name:my-container
image:my-image
volumeMounts:
-name:data-volume
mountPath:/var/data
volumes:
-name:data-volume
hostPath:
path:/data
Volumes), Use bind mounts)
NEW QUESTION # 137
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