NEW QUESTION 40
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 logs <container-id>

NEW QUESTION 41
Is this statement correct?
Solution: A Dockerfile provides instructions for building a Docker image

NEW QUESTION 42
Which of the following namespaces is disabled by default and must be enabled at Docker engine runtime in order to be used?

NEW QUESTION 43
Will this Linux kernel facility limit a Docker container’s access to host resources, such as CPU or memory?
Solution: cgroups

NEW QUESTION 44
You want to provide a configuration file to a container at runtime. Does this set of Kubernetes tools and steps accomplish this?
Solution: Turn the configuration file into a configMap object and mount it directly into the appropriate pod and container using the .spec.containers.configMounts key.

NEW QUESTION 45
Will this sequence of steps completely delete an image from disk in the Docker Trusted Registry?
Solution: Delete the image and delete the image repository from Docker Trusted Registry

NEW QUESTION 46
You have just executed ‘docker swarm leave’ on a node. What command can be run on the same node to confirm it has left the cluster?

NEW QUESTION 47
Will this command ensure that overlay traffic between service tasks is encrypted?
Solution: docker service create –network –encrypted

NEW QUESTION 48
Which networking drivers allow you to enable multi-host network connectivity between containers?

NEW QUESTION 49
Which of the following commands will ensure that overlay traffic between service tasks is encrypted?

NEW QUESTION 50
A host machine has four CPUs available and two running containers. The sysadmin would like to assign two CPUs to each container.
Which of the following commands achieves this?

NEW QUESTION 51
When seven managers are in a swarm cluster how would they be distributed across three datacenters or availability zones?

NEW QUESTION 52
Which of the following is true about overlay networks?

NEW QUESTION 53
After creating a new service named ‘http’, you notice that the new service is not registering as healthy. How do
you view the list of historical tasks for that service by using the command line?

NEW QUESTION 54
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: The unhealthy container is restarted.

NEW QUESTION 55
You want to create a container that is reachable from its host’s network. Does this action accomplish this?
Solution: Use –link to access the container on the bridge network.

NEW QUESTION 56
The following health check exists in a Dockerfile:
‘HEALTCHECK CMD curl –fail http://localhost/health || exit 1’
Which of the following describes its purpose?

NEW QUESTION 57
Which of the following statements is true about secrets?

NEW QUESTION 58
You have deployed a service to swarm. Which command uses the Docker CLI to set the number of tasks of the services to 5? (choose 2)

NEW QUESTION 59
What is used by the kernel to Isolate resources when running Docker containers?

NEW QUESTION 60
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.

NEW QUESTION 61
What is the docker command to find the current logging driver for a running container?

NEW QUESTION 62
Will this command display a list of volumes for a specific container?
Solution: ‘docker container inspect nginx’