Docker Certified Associate (DCA) Exam
Last Update Sep 9, 2026
Total Questions : 191
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Seven managers are in a swarm cluster.
Is this how should they be distributed across three datacenters or availability zones?
Solution: 3-3-1
Will this command ensure that overlay traffic between service tasks is encrypted?
Solution:docker network create -d overlay --secure
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'
In Docker Trusted Registry, is this how a user can prevent an image, such as 'nginx:latest’, from being overwritten by another user with push access to the repository?
Solution: Tag the image with 'nginx:immutable'.
TESTED 09 Sep 2026
