We offer the latest DCA practice test designed for free and effective online Docker Certified Associate certification preparation. It's a simulation of the real DCA exam experience, built to help you understand the structure, complexity, and topics you'll face on exam day.
Is this statement correct? Solution.A Dockerfile stores persistent data between deployments of a container
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'
Is this a way to configure the Docker engine to use a registry without a trusted TLS certificate? Solution: Set IGNORE_TLS in the 'daemon.json' configuration file.
The Kubernetes yaml shown below describes a networkPolicy.
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
Will this configuration achieve fault tolerance for managers in a swarm? Solution: one manager node for two worker nodes
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