Free Docker DCA Exam Dumps Questions & Answers

In Docker Trusted Registry, is this how a user can prevent an image, such as 'nginx:latest', from being overwritten by another user with push access to the repository?
Solution: Keep a backup copy of the image on another repository.

• A.Yes
• B.No

Is this a way to configure the Docker engine to use a registry without a trusted TLS certificate?
Solution: Pass the '--insecure-registry' flag to the daemon at run time.

• A.Yes
• B.No

How do you change the default logging driver for the docker daemon in Linux?

• A.Install a logging agent on the Linux host.
• B.Use the -log-driver1 flag when you run a container.
• C.At the command line, type: docker log driver set <driver name>
• D.Set the value of 'log-driver' to the name of the logging driver in the daemon.json in /etc/docker.

Are these conditions sufficient for Kubernetes to dynamically provision a persistentVolume, assuming there are no limitations on the amount and type of available external storage?
Solution: A default storageClass is specified, and subsequently a persistentVolumeClaim is created.

• A.Yes
• B.No

One of several containers in a pod is marked as unhealthy after failing its livenessProbe many times. Is this the action taken by the orchestrator to fix the unhealthy container?
Solution: Kubernetes automatically triggers a user-defined script to attempt to fix the unhealthy container.

• A.Yes
• B.No