Absolute Free DCA Exam Practice for Comprehensive Preparation 

Will the networkPolicy BLOCK this traffic? Solution: a request issued from a pod bearing the tier: backend label, to a pod bearing the tier: frontend label 

Does this command display all the pods in the cluster that are labeled as 'env: development'? Solution: 'kubectl get pods --all-namespaces -label env=development'

Will this sequence of steps completely delete an image from disk in the Docker Trusted Registry? Solution: Manually delete all layers used by the image on the disk from the Docker Trusted Registry. 

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

Can this set of commands identify the published port(s) for a container? Solution: docker container inspect', 'docker port'