DCA

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.A . YesB . NoView...

Is this the purpose of Docker Content Trust? Solution: Enable mutual TLS between the Docker client and server.A . YesB . NoView AnswerAnswer: B

Which of the following is supported by control groups?A . Manage certificatesB . Collect netC . Limit CPU usage within a containerD . Isolate processes in a containerView AnswerAnswer: C

You are running only Kubernetes workloads on a worker node that requires maintenance, such as installing patches or an OS upgrade Which command must be run on the node to gracefully terminate all pods on the node, while marking the node as unschedulable?A . 'docker node update --availability drain <node...

An application image runs in multiple environments, and each environment uses different certificates and ports, what is the best practice to deploy the containers?A . Create a Dockerfile for each environment, specifying ports and ENV variables for certificates.B . Create a Dockerfile for each environment, specifying ports and Docker secrets...

Is this statement correct? Solution: A Dockerfile provides instructions for building a Docker imageA . YesB . NoView AnswerAnswer: B

Does this describe the role of Control Groups (cgroups) when used with a Docker container? Solution: role-based access control to clustered resourcesA . YesB . NoView AnswerAnswer: B

Which one of the following commands will show a list of volumes for a specific container?A . 'docker container logs nginx --volumes'B . 'docker container inspect nginx'C . 'docker volume inspect nginx'D . 'docker volume logs nginx --containers'View AnswerAnswer: B

Seven managers are in a swarm cluster. Is this how should they be distributed across three datacenters or availability zones? Solution: 3-2-2A . YesB . NoView AnswerAnswer: A

Is this a Linux kernel namespace that is disabled by default and must be enabled at Docker engine runtime to be used? Solution: netA . YesB . NoView AnswerAnswer: B