[2024] Pass Key features of DCA Course with Updated 145 Questions [Q42-Q64]

NEW QUESTION 42
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 provisioner is specified, and subsequently a persistentVolumeClaim is created.

NEW QUESTION 43
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’

NEW QUESTION 44
Is this a function of UCP?
Solution: image role-based access control

NEW QUESTION 45
You are troubleshooting a Kubernetes deployment called api, and want to see the events table for this object.
Does this command display it?
Solution: kubectl describe deployment api

NEW QUESTION 46
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: Use the DTR web Ul to make all tags in the repository immutable.

NEW QUESTION 47
Will this command display a list of volumes for a specific container?
Solution: docker container logs nginx –volumes’

NEW QUESTION 48
What service mode is used to deploy a single task of a service to each node?

NEW QUESTION 49
Will this command ensure that overlay traffic between service tasks is encrypted?
Solution: docker service create –network –secure

NEW QUESTION 50
Is this the purpose of Docker Content Trust?
Solution: Enable mutual TLS between the Docker client and server.

NEW QUESTION 51
You want to create a container that is reachable from its host’s network. Does this action accomplish this?
Solution: Use either EXPOSE or –publish to access the containers on the bridge network

NEW QUESTION 52
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 53
A server is running low on disk space. What command can be used to check the disk usage of images,
containers, and volumes for Docker engine?

NEW QUESTION 54
You want to create a container that is reachable from its host’s network. Does this action accomplish this?
Solution: Use either EXPOSE or –publish to access the containers on the bridge network

NEW QUESTION 55
Will this Linux kernel facility limit a Docker container’s access to host resources, such as CPU or memory?
Solution: seccomp

NEW QUESTION 56
Will this configuration achieve fault tolerance for managers in a swarm?
Solution: an odd number of manager nodes, totaling more than two

NEW QUESTION 57
You configure a local Docker engine to enforce content trust by setting the environment variable
DOCKER_CONTENT_TRUST=1.
If myorg/myimage: 1.0 is unsigned, does Docker block this command?
Solution: docker image import <tarball> myorg/myimage:1.0

NEW QUESTION 58
An application image runs in multiple environments, with each environment using different certificates and ports.
Is this a way to provision configuration to containers at runtime?
Solution: Provision a Docker config object for each environment.

NEW QUESTION 59
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 containers on the bridge network

NEW QUESTION 60
Your organization has a centralized logging solution, such as Sptunk.
Will this configure a Docker container to export container logs to the logging solution?
Solution. docker system events- -filter splunk

NEW QUESTION 61
Which flag for a service would allow a container to consume more than 2 GB of memory only when there is no memory contention but would also prevent a container from consuming more than 4GB of memory, in any case?

NEW QUESTION 62
From a DevOps process standpoint, it is best practice to keep changes to an application in version control. Which of the following will allow changes to a docker Image to be stored in a version control system?

NEW QUESTION 63
You are troubleshooting a Kubernetes deployment called api, and want to see the events table for this object.
Does this command display it?
Solution: kubectl logs deployment api

NEW QUESTION 64
Will this command display a list of volumes for a specific container?
Solution: docker volume inspect nginx’