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The benefit of obtaining the Docker Certified Associate Exam Certification
DCA Certifications provide opportunities to get a job easily in which they are interested in instead of wasting years and ending without getting any experience.
DCA Exam provide proven knowledge to use the tools to complete the task efficiently and cost-effectively than the other non-certified professionals lack in doing so.
DCA credential delivers higher earning potential and increased promotion opportunities because it shows a good understanding of Docker containerization technology.
This certification will be judging your skills and knowledge on your understanding of Docker containerization technology concepts & Understanding of how to operate on Docker.
This accreditation is a portable proof of skills in containerization technology.
Reference: https://dockerlabs.collabnix.com/docker/dca.html
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Docker Certified Associate Exam Certified Professional salary
The average salary of a Docker Certified Associate in
- England - 62,532 POUND
- India - 12,00,327 INR
- Europe - 61,547 EURO
- United State - 80,000 USD
Docker DCA Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Storage and Volumes | 10% | - Identify the steps to take to clean up unused images on a filesystem and DTR - Describe the different graph driver storage backends - Describe the storage models available for DTR (NFS, local) - Describe the use of tmpfs for ephemeral storage - Describe how to use a volume plugin (local vs. NFS) - Describe how volumes work with containers |
| Orchestration | 25% | - Describe the difference between global and replicated services - Describe and demonstrate how to use replication mode - Add networks, publish ports - Describe how a Dockerized application communicates with legacy systems - Complete the setup of a swarm mode cluster - Convert an application deployment into a stack file using a YAML compose file with "docker stack deploy" - Mount volumes - 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 to provide configuration to Kubernetes pods using configMaps and secrets - State the differences between running a container vs running a service - Increase number of replicas - Describe how to deploy containerized workloads as Kubernetes pods and deployments - Identify the steps needed to troubleshoot a service not deploying |
| Installation and Configuration | 15% | - Interpret errors to troubleshoot installation issues without assistance - Complete setup of repo, select a storage driver, and complete installation of Docker engine on multiple platforms - Demonstrate the ability to upgrade the Docker engine - Use the install command to install DTR (Docker Trusted Registry) - Outline the sizing requirements prior to installation - Setup swarm, configure managers, add nodes, and setup the backup schedule - Describe the use of UCP (Universal Control Plane) - Describe the interaction between Docker and Linux - Describe namespaces, cgroups, and configuration of certificates - Create and manager user and teams - Configure logging drivers (splunk, journald, etc.) |
| Networking | 15% | - Describe how to install a remote driver to a specific infrastructure provider - Create a Docker bridge network for a developer to use for their containers - Configure Docker to use external DNS - Identify which IP and port a container is externally accessible on - Publish a port so that an application is accessible externally - Describe the different types and use cases for the built-in network drivers - Describe the differences between "host" and "ingress" port publishing mode - Understand the Container Network Model and how it interfaces with the Docker engine and network and IPAM drivers - Troubleshoot container and engine logs to understand a connectivity issue between containers |
| Image Creation, Management, and Registry | 20% | - Describe the use of Dockerfile - Apply a file to create a new image - Utilize a registry to store an image - Use CLI commands such as list, delete, prune, rmi, etc. to manage images - Describe how an image registry works - Describe options, such as add, copy, volumes, expose, entry point - Inspect images and report specific attributes using filter and format - Identify and display the main parts of a Dockerfile - Demonstrate tagging an image - Describe how image layers work - Display layers of a Docker image - Give examples on how to create an efficient image via a Dockerfile - Describe how to set up and use a local registry |
| Security | 15% | - Describe default engine security - Compare the UCP workers and managers - Enable Docker Content Trust - Describe the security architecture and responsibilities of the Docker EE platform - Describe identity roles - Describe the difference between UCP and DTR - Describe UCP and DTR integration with LDAP/AD - Describe the process to sign a Docker image - Describe MTLS and identity roles - Configure RBAC with UCP - Describe swarm default security - Describe MTLS |
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