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Docker DCA Brain Dump Free | Valid Braindumps DCA Questions

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Docker Certified Associate (DCA) exam is designed for IT professionals who want to demonstrate their expertise in working with Docker container technology. Docker is an open-source platform for developing, deploying, and running applications in containers. The DCA exam is a certification program that validates an individual's knowledge and skills in using Docker technology. It is an industry-recognized credential that demonstrates your proficiency in managing and deploying Docker containers.

The DCA Exam covers various topics, such as Docker installation and configuration, image creation and management, container creation and management, network creation and management, and Docker swarm clusters. Candidates are expected to have a deep understanding of Docker technology and be able to apply best practices in using Docker to build, ship, and run applications. DCA exam consists of 55 multiple-choice questions, and candidates have 90 minutes to complete it.

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Docker Certified Associate (DCA) Exam Sample Questions (Q73-Q78):

NEW QUESTION # 73
You created a new service named 'http' and discover it is not registering as healthy. Will this command enable you to view the list of historical tasks for this service?
Solution: 'docker inspect http'

A. Yes
B. No

Answer: B

Explanation:
Explanation
Using 'docker inspect http' does not enable you to view the list of historical tasks for this service. The docker inspect command shows low-level information about one or more objects, such as containers, images, networks, volumes, etc. It does not show information about services or tasks. To view the list of historical tasks for this service, you need to use 'docker service ps http'. References:
https://docs.docker.com/engine/reference/commandline/inspect/,
https://docs.docker.com/engine/reference/commandline/service_ps/

NEW QUESTION # 74
What is the docker command to setup a swarm?

A. docker swarm create
B. docker swarm init
C. docker init swarm
D. docker create swarm

Answer: B

Explanation:
https://docs.docker.com/engine/reference/commandline/swarm/

NEW QUESTION # 75
Will this configuration achieve fault tolerance for managers in a swarm?
Solution: an odd number of manager nodes, totaling more than two

A. No
B. Yes

Answer: B

NEW QUESTION # 76
Is this a function of UCP?
Solution: enforces the deployment of signed images to the cluster

A. No
B. Yes

Answer: B

Explanation:
Explanation
= This is a function of UCP, as it integrates with Docker Trusted Registry (DTR) to provide built-in security and access control for your images. DTR allows you to enforce security policies and only allow running applications that use Docker images you know and trust. You can sign your images with Docker Content Trust (DCT) to prove their authenticity and integrity. UCP will verify the signatures of the images before deploying them to the cluster12. References:
* Universal Control Plane overview | dockerlabs
* How to Sign Your Docker Images to Increase Trust - How-To Geek

NEW QUESTION # 77
Which of the following namespaces is disabled by default and must be enabled at Docker engine runtime in order to be used?

A. mnt
B. net
C. pid
D. user

Answer: D

NEW QUESTION # 78
......

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