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Docker Certified Associate (DCA) exam is a valuable certification for IT professionals who work with Docker. Docker Certified Associate (DCA) Exam certification validates the skills and knowledge required to work with Docker and its associated technologies. Docker Certified Associate (DCA) Exam certification is recognized as an industry-standard certification and is highly valued by employers. If you are a developer, system administrator, or IT professional who works with Docker, then the Docker Certified Associate (DCA) certification is definitely worth considering.

The DCA Certification Exam is designed for IT professionals, developers, and system administrators who work with Docker. Candidates who pass the exam demonstrate their ability to use Docker to build, ship, and run applications in containers. DCA exam covers a range of topics, including Docker basics, Dockerfile and image creation, container orchestration with Docker Swarm, and Docker networking and security.

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Docker Certified Associate (DCA) Exam Sample Questions (Q68-Q73):

NEW QUESTION # 68
When an application being managed by UCP fails, you would like a summary of all requests made to the UCP API in the hours leading up to the failure.
What must be configured correctly beforehand for this to be possible?

A. UCP logging levels must be set to the info' or debug' level.
B. UCP audit logs must be set to the metadata' or request' level.
C. Set the logging level in theconfig object for the ucp-kube-api-server container to warning or higher.
D. All engines in the cluster must have their log driver set to the metadata' or request' level.

Answer: B

NEW QUESTION # 69
You add a new user to the engineering organization in DTR.
Will this action grant them read/write access to the engineering/api repository?
Solution: Add them to a team in the engineering organization that has read/write access to the engineering/api repository.

A. Yes
B. No

Answer: B

Explanation:
Explanation
= I cannot give you a comprehensive explanation, but I can tell you that the question is about Docker Trusted Registry (DTR), which is a secure and scalable image storage solution for Docker Enterprise1. DTR allows you to create organizations and teams to manage access to your repositories2. Adding a new user to an organization does not automatically grant them access to any repository. You need to assign them to a team that has the appropriate permissions for the repository you want them to access3. Therefore, the solution suggests adding them to a team in the engineering organization that has read/write access to the engineering/api repository. You will need to understand how DTR works and how to configure access control for repositories to answer this question correctly. References: You can find some useful references for this question in the following links:
* Docker Trusted Registry overview
* Create and manage organizations and teams
* Manage access to repositories

NEW QUESTION # 70
Will this command ensure that overlay traffic between service tasks is encrypted?
Solution: docker network create -d overlay -o encrypted=true <network-name>

A. Yes
B. No

Answer: A

Explanation:
Explanation
The command docker network create -d overlay -o encrypted=true <network-name> will ensure that overlay traffic between service tasks is encrypted. This command creates an overlay network with the encryption option enabled, which means that Docker will create IPSEC tunnels between all the nodes where tasks are scheduled for services attached to the overlay network. These tunnels use the AES algorithm in GCM mode and manager nodes automatically rotate the keys every 12 hours1. This way, the data exchanged between containers on different nodes on the overlay network is secured. References:
* Overlay network driver

NEW QUESTION # 71
A docker service 'web' is running with a scale factor of 1 (replicas = 1).
Bob intends to use the command 'docker service update --replicas=3 web'.
Alice intends to use the command 'docker service scale web=3'.
How do the outcomes oft these two commands differ?

A. Bob's command updates the number of replicas of the 'web' service to 3. Alice's command results in an error.
B. Bob's command results in an error. Alice's command updates the number of replicas of the 'web' service to 3.
C. Bob's command only updates the service definition, but no new replicas are started. Alice's command results in the actual scaling up of the 'web' service.
D. Both Bob's and Alice's commands result in exactly the same outcome, which is 3 instances of the 'web' service.

Answer: D

NEW QUESTION # 72
Does this describe the role of Control Groups (cgroups) when used with a Docker container?
Solution: user authorization to the Docker API

A. Yes
B. No

Answer: B

NEW QUESTION # 73
......

With the rapid development of information the global information has already entered into the age of which that computer network is the core. DCA certification test answers help people who are interested in computer network get a stepping stone to a good job. Many workers know obtaining a Docker certification means a good job with high salary, good benefit and better life. DCA Certification Test Answers will be of important for you.

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Docker Certified Associate (DCA) Exam Sample Questions (Q68-Q73):

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