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Docker Certified Associate (DCA) exam is a certification program offered by Docker that tests the skills and knowledge required to effectively use the Docker platform. DCA exam is designed to validate the competency of IT professionals in deploying, managing, and scaling applications using Docker containers. The DCA certification is an industry-standard credential that is recognized globally, and it is highly sought after by IT professionals who work with Docker.
Docker Certified Associate (DCA) certification exam is a globally recognized certification. It is recognized by various organizations and companies who work with Docker container technology. Docker Certified Associate (DCA) Exam certification provides a competitive edge to the IT professionals in the job market. Docker Certified Associate (DCA) Exam certification demonstrates that the individual has the knowledge and skills required to work with Docker container technology. Docker Certified Associate (DCA) Exam certification also helps the individuals to advance their career in the field of Docker container technology.
Docker DCA Exam Overview:
| Certification Vendor: | Docker |
|---|---|
| Exam Name: | Docker Certified Associate (DCA) Exam |
| Exam Number: | DCA |
| Related Certifications: | Docker Certified Associate |
| Exam Format: | Multiple Choice, Discrete Option Multiple Choice (DOMC) |
| Certificate Validity Period: | 2 years |
| Exam Duration: | 90 minutes |
| Passing Score: | ~65% |
| Available Languages: | English |
| Exam Price: | $195 USD |
| Real Exam Qty: | 55 |
| Sample Questions: | Docker DCA Sample Questions |
| Exam Way: | Online proctored exam (via PSI) or at a PSI testing center |
| Pre Condition: | 6+ months of hands-on experience with Docker recommended; understanding of containerization concepts and Docker architecture |
| Official Syllabus URL: | https://success.docker.com/certification |
To prepare for the DCA exam, candidates can take advantage of a variety of resources, including online training courses, study guides, and practice exams. Docker also offers an official DCA study guide, which covers all the topics that are covered on the exam, as well as hands-on labs and exercises to help candidates develop their skills. With the right preparation and study, candidates can earn the DCA certification and take their Docker skills to the next level.
Docker DCA certification is a valuable credential for professionals who work with Docker. It demonstrates that the individual has a strong understanding of Docker and is capable of effectively using Docker to develop, deploy, and manage applications. Docker Certified Associate (DCA) Exam certification can be a valuable asset for individuals who are seeking new job opportunities or looking to advance their careers.
Reference: https://dockerlabs.collabnix.com/docker/dca.html
Docker DCA Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Security | 15% | - Describe the security architecture and responsibilities of the Docker EE platform - Describe the process to sign a Docker image - Describe identity roles - Configure RBAC with UCP - Describe MTLS and identity roles - Describe default engine security - Describe MTLS - Enable Docker Content Trust - Describe UCP and DTR integration with LDAP/AD - Compare the UCP workers and managers - Describe swarm default security - Describe the difference between UCP and DTR |
| Topic 2: Installation and Configuration | 15% | - Outline the sizing requirements prior to installation - Configure logging drivers (splunk, journald, etc.) - Use the install command to install DTR (Docker Trusted Registry) - Describe the interaction between Docker and Linux - Describe namespaces, cgroups, and configuration of certificates - Interpret errors to troubleshoot installation issues without assistance - Demonstrate the ability to upgrade the Docker engine - Describe the use of UCP (Universal Control Plane) - Create and manager user and teams - Complete setup of repo, select a storage driver, and complete installation of Docker engine on multiple platforms - Setup swarm, configure managers, add nodes, and setup the backup schedule |
| Topic 3: Storage and Volumes | 10% | - Describe the use of tmpfs for ephemeral storage - Describe the storage models available for DTR (NFS, local) - Describe how to use a volume plugin (local vs. NFS) - Describe the different graph driver storage backends - Describe how volumes work with containers - Identify the steps to take to clean up unused images on a filesystem and DTR |
| Topic 4: Networking | 15% | - Create a Docker bridge network for a developer to use for their containers - Identify which IP and port a container is externally accessible on - Publish a port so that an application is accessible externally - Understand the Container Network Model and how it interfaces with the Docker engine and network and IPAM drivers - Describe the different types and use cases for the built-in network drivers - Troubleshoot container and engine logs to understand a connectivity issue between containers - Describe the differences between "host" and "ingress" port publishing mode - Describe how to install a remote driver to a specific infrastructure provider - Configure Docker to use external DNS |
| Topic 5: Image Creation, Management, and Registry | 20% | - Demonstrate tagging an image - Use CLI commands such as list, delete, prune, rmi, etc. to manage images - Describe the use of Dockerfile - Describe how an image registry works - Identify and display the main parts of a Dockerfile - Display layers of a Docker image - Give examples on how to create an efficient image via a Dockerfile - Inspect images and report specific attributes using filter and format - Describe options, such as add, copy, volumes, expose, entry point - Describe how to set up and use a local registry - Describe how image layers work - Apply a file to create a new image - Utilize a registry to store an image |
| Topic 6: Orchestration | 25% | - Describe how to deploy containerized workloads as Kubernetes pods and deployments - State the differences between running a container vs running a service - Convert an application deployment into a stack file using a YAML compose file with "docker stack deploy" - Complete the setup of a swarm mode cluster - Describe and demonstrate how to use replication mode - Add networks, publish ports - Describe the difference between global and replicated services - Mount volumes - Identify the steps needed to troubleshoot a service not deploying - Interpret the output of "docker inspect" commands - Manipulate a running stack of services - Demonstrate steps to lock a swarm cluster - Extend the instructions to run individual containers into running services under swarm - Describe how a Dockerized application communicates with legacy systems - Describe how to provide configuration to Kubernetes pods using configMaps and secrets - Increase number of replicas |
By Milo
