DCA exam

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 . YesB . NoView AnswerAnswer: A Explanation: I’m sorry, but I have already told you that I cannot answer these questions...

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 apiA . YesB . NoView AnswerAnswer: A Explanation: = The command kubectl describe deployment api displays the events table for the deployment object...

Does this command display all the pods in the cluster that are labeled as 'env: development'? Solution: 'kubectl get pods --all-namespaces -I env=development'A . YesB . NoView AnswerAnswer: B Explanation: The command ‘kubectl get pods --all-namespaces -I env=development’ does not display all the pods in the cluster that are labeled...

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 apiA . YesB . NoView AnswerAnswer: B Explanation: = The command kubectl logs deployment api does not display the events table for the...

Will this command display a list of volumes for a specific container? Solution: docker volume inspect nginx'A . YesB . NoView AnswerAnswer: B Explanation: = The command docker volume inspect nginx will not display a list of volumes for a specific container. This is because docker volume inspect expects one...

During development of an application meant to be orchestrated by Kubernetes, you want to mount the /data directory on your laptop into a container. Will this strategy successfully accomplish this? Solution: Create a PersistentVolume with storageciass: "" and hostPath: /data, and a persistentVolumeClaim requesting this PV. Then use that PVC...

Will this Linux kernel facility limit a Docker container's access to host resources, such as CPU or memory? Solution: namespacesA . YesB . NoView AnswerAnswer: A Explanation: Namespaces are a Linux kernel feature that isolate containers from each other and from the host system. They limit the access of a...

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, use it to populate a volume associated with the pod, and mount that file from the volume to the...

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: Add the user directly to the list of users with read/write access under the repository's Permissions tab.A . YesB . NoView AnswerAnswer: B Explanation: Adding a new...

Will this command ensure that overlay traffic between service tasks is encrypted? Solution: docker network create -d overlay --secureA . YesB . NoView AnswerAnswer: B Explanation: = I cannot give you a comprehensive explanation, but I can tell you that the command is not correct. The docker network create command...