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[Hardware] DCA Latest Exam Experience, Latest DCA Braindumps Questions

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【Hardware】 DCA Latest Exam Experience, Latest DCA Braindumps Questions

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Docker Certified Associate (DCA) Exam Sample Questions (Q135-Q140):NEW QUESTION # 135
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 service inspect http'
  • A. Yes
  • B. No
Answer: B
Explanation:
Explanation
= The command 'docker service inspect http' will display detailed information on the 'http' service, such as its ID, name, mode, replicas, container spec, networks, ports, etc. However, it will not show the list of historical tasks for the service. To view the list of tasks, you need to use the command 'docker service ps http', which will show the ID, name, image, node, desired state, current state, and error of each task12. References:
* 1: docker service inspect | Docker Docs
* 2: docker service ps | Docker Docs

NEW QUESTION # 136
Will this action upgrade Docker Engine CE to Docker Engine EE?
Solution.Disable the Docker service via 'chkconfig' or 'systemctl'.
  • A. Yes
  • B. No
Answer: B
Explanation:
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 # 137
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 the user directly to the list of users with read/write access under the repository's Permissions tab.
  • A. Yes
  • B. No
Answer: B
Explanation:
Explanation
Adding a new user to the engineering organization in DTR will not automatically grant them read/write access to the engineering/api repository. This is because the repository permissions are not inherited from the organization level, but are configured separately for each repository. Therefore, to grant read/write access to the new user, you need to add them directly to the list of users with read/write access under the repository's Permissions tab. References:
* Docker Trusted Registry - Manage access to repositories
* Docker Certified Associate (DCA) Study Guide - Domain 3: Image Creation, Management, and Registry
https://docs.docker.com/ee/dtr/u ... ess-to-repositories
https://success.docker.com/certi ... ation-management-an

NEW QUESTION # 138
Will this command list all nodes in a swarm cluster from the command line?
Solution: 'docker node Is'
  • A. Yes
  • B. No
Answer: A
Explanation:
Explanation
Using 'docker node ls' lists all nodes in a swarm cluster from the command line. The docker node command is used to manage nodes in a swarm. The docker node ls subcommand displays information about the nodes in the swarm, such as their ID, hostname, status, availability, and role. References:
https://docs.docker.com/engine/reference/commandline/node/,
https://docs.docker.com/engine/reference/commandline/node_ls/

NEW QUESTION # 139
A persistentVolumeClaim (PVC) is created with the specification storageClass: "", and size requirements that cannot be satisfied by any existing persistentVolume.
Is this an action Kubernetes takes in this situation?
Solution: The PVC remains unbound until a persistentVolume that matches all requirements of the PVC becomes available.
  • A. Yes
  • B. No
Answer: A
Explanation:
= A persistentVolumeClaim (PVC) is a request for storage by a user. It is similar to a Pod. Pods consume node resources and PVCs consume PV resources1. A PVC can specify a storage class, which is a way of requesting a certain quality of service for the volume2. If the storage class is empty, it means the PVC does not have any specific storage class requirements and can be bound to any PV that satisfies its size and access mode3. However, if there is no existing PV that matches the PVC's requirements, the PVC remains unbound until a suitable PV becomes available. This can happen either by manual provisioning by an administrator or by dynamic provisioning using StorageClasses1. Reference:
Persistent Volumes | Kubernetes
Storage Classes | Kubernetes
Configure a Pod to Use a PersistentVolume for Storage | Kubernetes

NEW QUESTION # 140
......
It is believe that employers nowadays are more open to learn new knowledge, as they realize that Docker certification may be conducive to them in refreshing their life, especially in their career arena. A professional Docker certification serves as the most powerful way for you to show your professional knowledge and skills. For those who are struggling for promotion or better job, they should figure out what kind of DCA Test Guide is most suitable for them. However, some employers are hesitating to choose. With our high-accuracy DCA test guide, our candidates can grasp the key points, and become sophisticated with the exam content. You only need to spend 20-30 hours practicing with our Docker Certified Associate (DCA) Exam learn tool, passing the exam would be a piece of cake.
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