Absolute Free DCA Exam Practice for Comprehensive Preparation 

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 command mount the host's '/data' directory to the ubuntu container in read-only mode? Solution: 'docker run --add-volume /data /mydata -read-only ubuntu' 

Will this configuration achieve fault tolerance for managers in a swarm? Solution: one manager node for two worker nodes

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

What behavior is expected when a service is created with the following command: 'docker service create -- publish 8000:80 nginx'