Docker Certified Associate (DCA)
Unlimited Docker Certified Associate practice exam retakes, each drawn fresh from a question pool weighted by the official exam domains — covering orchestration, image creation/management/registry, installation & configuration, networking, security, and storage & volumes. Aligned to the DCA exam domains.
Exam mode Default
90-minute timer, flag for review and a review screen before you submit — just like test day.
Practice mode
See the correct answer, the exam domain and a full explanation after every question.
What you get
- A 195-question pool — every attempt draws 65 fresh questions weighted by the official exam domains
- Unlimited retakes, lifetime access
- Score report by exam domain, with your score trend over time
- Answer review with explanations and reference links
- Original, blueprint-aligned questions — never exam dumps
Ready to sit the real DCA exam?
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Exam domains
Every attempt draws questions in these official proportions. Open a domain to see the subtopics it covers.
Orchestration25%
- Complete the setup of a swarm mode cluster with managers and worker nodes
- Extend instructions for running individual containers into services under swarm
- Describe the importance of quorum in a swarm cluster
- Describe the difference between running a container and running a service
- Convert an application deployment into a stack file with docker stack deploy
- Run replicated and global services and use node labels for task placement
- Identify the steps to troubleshoot a service that is not deploying
- Deploy Kubernetes pods and deployments, configured with configMaps and secrets
Image Creation, Management, and Registry20%
- Describe the use of Dockerfile and options such as ADD, COPY, VOLUME, EXPOSE, ENTRYPOINT
- Create an efficient image via a Dockerfile
- Manage images with CLI commands such as list, delete, prune and rmi
- Inspect images and report specific attributes using filter and format
- Tag an image, display its layers and modify it to a single layer
- Describe registry functions and deploy a registry
- Log into, search, push to and pull and delete images from a registry
- Sign an image in a registry
Installation and Configuration15%
- Describe sizing requirements for installation
- Set up the repo, select a storage driver and install Docker engine on multiple platforms
- Configure logging drivers (splunk, journald, etc.)
- Set up swarm, configure managers, add nodes and set up the backup schedule
- Create and manage users and teams
- Use certificate-based client-server authentication for registry access
- Describe the use of namespaces, cgroups and certificate configuration
- Deploy Docker engine, UCP and DTR in an HA configuration and configure their backups
Networking15%
- Describe the Container Network Model and its network and IPAM drivers
- Describe the types and use cases of the built-in network drivers
- Describe traffic flow between the Docker engine, registry and UCP controllers
- Create a Docker bridge network for developers to use for their containers
- Publish ports externally and compare host and ingress publishing modes
- Configure Docker to use external DNS
- Configure L7 load balancing and deploy a service on an overlay network
- Route traffic to Kubernetes pods using ClusterIP and NodePort services
Security15%
- Describe security administration and tasks
- Describe image signing and enable Docker Content Trust
- Describe default engine and swarm security, including MTLS
- Describe identity roles and compare UCP workers and managers
- Use external certificates with UCP and DTR
- Demonstrate that an image passes a security scan
- Configure RBAC with UCP and integrate UCP with LDAP/AD
- Create UCP client bundles
Storage and Volumes10%
- Identify the correct graph drivers to use with various operating systems
- Configure devicemapper
- Compare object and block storage and when they should be used
- Describe how an application is composed of layers and where they reside on the filesystem
- Describe how volumes are used with Docker for persistent storage
- Clean up unused images on a filesystem and DTR
- Use storage across cluster nodes
- Provision persistent storage to Kubernetes pods with PVs, PVCs and storageClass
References
- Official exam page:training.mirantis.com
- Official study guide:a.storyblok.com (PDF)
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