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

The following Docker Compose file is deployed as a stack:

Is this statement correct about this health check definition?
Solution: Health checks test for app health ten seconds apart. If the test fails, the container will be restarted three times before it gets rescheduled.

Will this command ensure that overlay traffic between service tasks is encrypted?
Solution: docker network create -d overlay --secure

Will this sequence of steps completely delete an image from disk in the Docker Trusted Registry?
Solution. Delete the image and remove permissions to the repository in the Docker Trusted Registry.

Will this command list all nodes in a swarm cluster from the command line?
Solution: 'docker Is -a'

The Kubernetes yaml shown below describes a clusterIP service.

Is this a correct statement about how this service routes requests?
Solution: Traffic sent to the IP of any pod with the label app: nginx on port 8080 will be forwarded to port 80 in that pod.

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'

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. Mirror the engineering/api repository to one of the user's own private repositories.

You want to create a container that is reachable from its host's network.
Does this action accomplish this?
Solution: Use network attach to access the container on the bridge network.

A users attempts to set the system time from inside a Docker container are unsuccessful. Could this be blocking this operation?
Solution: inter-process communication