Docker Certified Associate (DCA) Free Practice Exam Questions

60 real Docker Certified Associate (DCA) exam questions with answers and AI explanations. Mirantis certification prep — page 1 of 6.

1. Question 1: A user’s attempts to set the system time from inside a Docker container are unsuccessful. Could this be blocking this operation? SELinux
2. Question 2: Is this a function of UCP? image role-based access control
3. Question 3: What is the difference between the ADD and COPY Dockerfile instructions? (Choose two.)
4. Question 4: Seven managers are in a swarm cluster. Is this how should they be distributed across three datacenters or availability zones? 3-2-2
5. Question 5: Is this an advantage of multi-stage builds? better logical separation of Dockerfile instructions for increased readability
6. Question 6: Is this the purpose of Docker Content Trust? Enable mutual TLS between the Docker client and server.
7. Question 7: In the context of a swarm mode cluster, does this describe a node? an instance of the Docker CLI connected to the swarm
8. Question 9: Seven managers are in a swarm cluster. Is this how should they be distributed across three datacenters or availability zones? 5-1-1
9. Question 10: Will this command ensure that overlay traffic between service tasks is encrypted? docker network create -d overlay --secure <network-name>
10. Question 11: 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 thi…