DCA 無料問題集「Docker Certified Associate (DCA)」

Does this command display all the pods in the cluster that are labeled as 'env: development'?
Solution: 'kubectl get pods --all-namespaces -label env=development'

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 ps http'

Does this describe the role of Control Groups (cgroups) when used with a Docker container?
Solution: isolation between resources used by containers

Is this an advantage of multi-stage builds?
Solution.better logical separation of Dockerfile instructions for increased readability

Two development teams in your organization use Kubernetes and want to deploy their applications while ensuring that Kubernetes-specific resources, such as secrets, are grouped together for each application.
Is this a way to accomplish this?
Solution: Create one namespace for each application and add all the resources to it.

Your organization has a centralized logging solution, such as Splunk.
Will this configure a Docker container to export container logs to the logging solution?
Solution: docker system events --filter splunk

Is this the purpose of Docker Content Trust?
Solution.Indicate an image on Docker Hub is an official image.

Will this action upgrade Docker Engine CE to Docker Engine EE?
Solution: Uninstall 'docker-ce' package before installing 'docker-ee' package.

Does this command display all the pods in the cluster that are labeled as 'env: development'?
Solution: 'kubectl get pods -I env=development'

Is this an advantage of multi-stage builds?
Solution: simultaneously creates and tags multiple images