- Exam Code: DCA
- Exam Name: Docker Certified Associate (DCA) Exam
- Updated: Oct 04, 2026
- Q & A: 189 Questions and Answers
Candidates should apprehend the examination topics before they begin of preparation. Our DCA exam dumps will include the following topics:
Lesson 01 - Introduction
Lesson 02 - Understanding Docker
Lesson 03 - Docker CE on Linux Platform
Lesson 04 - Docker Networking
Lesson 06 - Docker Storage and Volumes
Lesson 07 - Docker Compose
Lesson 08 - Orchestration Docker Swarm
Lesson 09 - Universal Control Plane
Lesson 10 - Docker Trusted Registry
There are the following steps for registering the Docker Certified Associate exam:
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Reference: https://dockerlabs.collabnix.com/docker/dca.html
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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Installation and Configuration | 15% | - Describe the use of UCP (Universal Control Plane) - Use the install command to install DTR (Docker Trusted Registry) - Complete setup of repo, select a storage driver, and complete installation of Docker engine on multiple platforms - Interpret errors to troubleshoot installation issues without assistance - Create and manager user and teams - Setup swarm, configure managers, add nodes, and setup the backup schedule - Outline the sizing requirements prior to installation - Describe namespaces, cgroups, and configuration of certificates - Describe the interaction between Docker and Linux - Configure logging drivers (splunk, journald, etc.) - Demonstrate the ability to upgrade the Docker engine |
| Topic 2: Image Creation, Management, and Registry | 20% | - Display layers of a Docker image - Demonstrate tagging an image - Apply a file to create a new image - Describe how image layers work - Utilize a registry to store an image - Use CLI commands such as list, delete, prune, rmi, etc. to manage images - Describe options, such as add, copy, volumes, expose, entry point - Describe the use of Dockerfile - Describe how to set up and use a local registry - Give examples on how to create an efficient image via a Dockerfile - Describe how an image registry works - Identify and display the main parts of a Dockerfile - Inspect images and report specific attributes using filter and format |
| Topic 3: Security | 15% | - Describe the security architecture and responsibilities of the Docker EE platform - Compare the UCP workers and managers - Describe MTLS and identity roles - Describe default engine security - Describe the difference between UCP and DTR - Describe identity roles - Describe UCP and DTR integration with LDAP/AD - Describe the process to sign a Docker image - Describe swarm default security - Enable Docker Content Trust - Configure RBAC with UCP - Describe MTLS |
| Topic 4: Storage and Volumes | 10% | - Describe the use of tmpfs for ephemeral storage - Describe how to use a volume plugin (local vs. NFS) - Identify the steps to take to clean up unused images on a filesystem and DTR - Describe how volumes work with containers - Describe the storage models available for DTR (NFS, local) - Describe the different graph driver storage backends |
| Topic 5: Networking | 15% | - Describe how to install a remote driver to a specific infrastructure provider - Understand the Container Network Model and how it interfaces with the Docker engine and network and IPAM drivers - Identify which IP and port a container is externally accessible on - Configure Docker to use external DNS - Describe the different types and use cases for the built-in network drivers - Publish a port so that an application is accessible externally - Create a Docker bridge network for a developer to use for their containers - Troubleshoot container and engine logs to understand a connectivity issue between containers - Describe the differences between "host" and "ingress" port publishing mode |
| Topic 6: Orchestration | 25% | - Describe and demonstrate how to use replication mode - Interpret the output of "docker inspect" commands - Describe how to provide configuration to Kubernetes pods using configMaps and secrets - Describe how a Dockerized application communicates with legacy systems - Extend the instructions to run individual containers into running services under swarm - Mount volumes - Increase number of replicas - Demonstrate steps to lock a swarm cluster - Manipulate a running stack of services - Describe how to deploy containerized workloads as Kubernetes pods and deployments - Add networks, publish ports - Identify the steps needed to troubleshoot a service not deploying - Convert an application deployment into a stack file using a YAML compose file with "docker stack deploy" - State the differences between running a container vs running a service - Describe the difference between global and replicated services - Complete the setup of a swarm mode cluster |
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