Docker Certified Associate (DCA)
The Docker Certified Associate validates real-world container skills: orchestration with Swarm and Kubernetes, building and managing images and registries, installing and configuring the Docker engine, container and overlay networking, security (namespaces, cgroups, content trust, secrets), and storage and volumes.
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Start DCA examSkills measured
Orchestration
25%Swarm services, replicas and global mode, rolling updates, nodes and drain, secrets and configs, and Kubernetes basics on Docker.
Image Creation, Management and Registry
20%Dockerfile instructions and best practices, multi-stage builds, layers and caching, tagging, and pushing to and pulling from registries.
Installation and Configuration
15%Engine installation, daemon configuration, logging drivers, the namespace and default runtime, and backing up the swarm.
Networking
15%Bridge, host, overlay and macvlan drivers, published ports, embedded DNS, and the routing mesh.
Security
15%Namespaces and cgroups, user namespaces, image scanning and content trust, secrets, and role-based access.
Storage and Volumes
10%Volumes vs bind mounts vs tmpfs, volume drivers, the layered filesystem, and storage drivers.