[Oct 03, 2026] DCA PDF Recently Updated Questions Dumps to Improve Exam Score [Q62-Q83]

NO.62 Does this command create a swarm service that only listens on port 53 using the UDP protocol?
Solution: ‘docker service create -name dns-cache -p 53:53 -service udp dns-cache’

NO.63 A company’s security policy specifies that development and production containers must run on separate nodes in a given Swarm cluster.
Can this be used to schedule containers to meet the security policy requirements?
Solution: node taints

NO.64 Is this an advantage of multi-stage builds?
Solution: better caching when building Docker images

NO.65 Is this an advantage of multi-stage builds?
Solution.better logical separation of Dockerfile instructions for increased readability

NO.66 A company’s security policy specifies that development and production containers must run on separate nodes in a given Swarm cluster.
Can this be used to schedule containers to meet the security policy requirements?
Solution: label contraints

NO.67 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. Set containers. Mounts. hostBinding: /data in the container’s specification.

NO.68 Will this configuration achieve fault tolerance for managers in a swarm?
Solution: an odd number of manager nodes, totaling more than two

NO.69 During development of an application meant to be orchestrated by Kubemetes, you want to mount the /data directory on your laptop into a container.
Will this strategy successfully accomplish this?
Solution. Create a Persistent VolumeClaim requesting storageClass:”” (which defaults to local storage) and hostPath: /data, and use this to populate a volume in a pod.

NO.70 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: Add all the resources to the default namespace.

NO.71 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 pod and add all the resources needed for each application

NO.72 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. Set containers. Mounts. hostBinding: /data in the container’s specification.

NO.73 Is this a Linux kernel namespace that is disabled by default and must be enabled at Docker engine runtime to be used?
Solution: user

NO.74 Will this command list all nodes in a swarm cluster from the command line?
Solution. ‘docker inspect nodes

NO.75 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

NO.76 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.

NO.77 Will this command mount the host’s ‘/data’ directory to the ubuntu container in read-only mode?
Solution: ‘docker run -v /data:/mydata –mode readonly ubuntu’

NO.78 Will this command mount the host’s ‘/data’ directory to the ubuntu container in read-only mode?
Solution: ‘docker run -v /data:/mydata –mode readonly ubuntu’

NO.79 Is this an advantage of multi-stage builds?
Solution: better caching when building Docker images

NO.80 What is the purpose of a client bundle in the Universal Control Plane?

NO.81 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. Create a Dockerfile for each environment, specifying ports and Docker secrets for certificates.

NO.82 Will this command mount the host’s ‘/data1directory to the ubuntu container in read-only mode?
Solution. ‘docker run -v /data:/mydata -mode readonly ubuntu’

NO.83 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.