Free Docker DCA Practice Exams Questions 2026  - TheExamsLabs

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 container run myorg/myimage:1.0

Does this describe the role of Control Groups (cgroups) when used with a Docker container? Solution: role-based access control to clustered resources

You created a new service named 'http' and discover it is not registering as healthy. Will this command enable you to view the list of historical tasks for this service? Solution: 'docker ps http'

Will this configuration achieve fault tolerance for managers in a swarm? Solution: only two managers, one active and one passive. 

Will this command list all nodes in a swarm cluster from the command line? Solution: 'docker swarm nodes'