How to Prepare For Docker Certified Associate Exam
Preparation Guide for Docker Certified Associate Exam
Introduction
Docker is one of the open-source technology and very much demanding these days in IT, It had brought a revolution in the container technology, Docker has created a track for certification where an individual can appear and validate their skill set. This certification program will provide Docker Cloud Certified Associate a way to demonstrate their skills. The assessment is based on a rigorous exam using the industry-standard methodology to determine whether a candidate meets Docker's proficiency standards.
According to Docker, a DCA Certified Professional enables organizations will able to provision containers as and when they required using container images.
Certification is evidence of your skills, expertise in those areas in which you like to work. If the candidate wants to work on Docker Containerization technologies and prove his knowledge, certification is offered by Docker. This DCA Exam Certification helps a candidate to validates his skills in Docker Containerization technologies.
In this guide, we will cover the Docker Certified Associate Certification exam, Docker Certified Associate Certified professional salary and all aspects of the Docker Certified Associate Certification.
How to book the Docker Certified Associate Exam
There are the following steps for registering the Docker Certified Associate exam:
- Step 1: Visit to Docker Examity proctors.
- Step 2: Sign up/Login to Docker account.
- Step 3: Make payment for the exam voucher using your credit or debit card.
- Step 4: You will receive exam voucher code on your email and then using that voucher code you can book your exam by selecting dates, time etc.
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
- United State - 80,000 USD
- England - 62,532 POUND
- Europe - 61,547 EURO
- India - 12,00,327 INR
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Docker DCA Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Installation and Configuration | 15% | - Use the install command to install DTR (Docker Trusted Registry) - Describe namespaces, cgroups, and configuration of certificates - Interpret errors to troubleshoot installation issues without assistance - Describe the interaction between Docker and Linux - Configure logging drivers (splunk, journald, etc.) - Outline the sizing requirements prior to installation - Create and manager user and teams - Describe the use of UCP (Universal Control Plane) - Demonstrate the ability to upgrade the Docker engine - Setup swarm, configure managers, add nodes, and setup the backup schedule - Complete setup of repo, select a storage driver, and complete installation of Docker engine on multiple platforms |
| Topic 2: Storage and Volumes | 10% | - Describe the use of tmpfs for ephemeral storage - Describe how to use a volume plugin (local vs. NFS) - Describe the storage models available for DTR (NFS, local) - Describe the different graph driver storage backends - Identify the steps to take to clean up unused images on a filesystem and DTR - Describe how volumes work with containers |
| Topic 3: Security | 15% | - Describe the security architecture and responsibilities of the Docker EE platform - Describe MTLS and identity roles - Describe swarm default security - Describe UCP and DTR integration with LDAP/AD - Compare the UCP workers and managers - Describe the difference between UCP and DTR - Configure RBAC with UCP - Describe default engine security - Describe the process to sign a Docker image - Enable Docker Content Trust - Describe identity roles - Describe MTLS |
| Topic 4: Orchestration | 25% | - State the differences between running a container vs running a service - 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" - Describe and demonstrate how to use replication mode - Demonstrate steps to lock a swarm cluster - Add networks, publish ports - Manipulate a running stack of services - Complete the setup of a swarm mode cluster - Extend the instructions to run individual containers into running services under swarm - Interpret the output of "docker inspect" commands - Mount volumes - Describe the difference between global and replicated services - Describe how to deploy containerized workloads as Kubernetes pods and deployments - Describe how to provide configuration to Kubernetes pods using configMaps and secrets - Describe how a Dockerized application communicates with legacy systems - Increase number of replicas |
| Topic 5: Image Creation, Management, and Registry | 20% | - Demonstrate tagging an image - Describe options, such as add, copy, volumes, expose, entry point - Inspect images and report specific attributes using filter and format - Describe how an image registry works - Apply a file to create a new image - Describe how image layers work - Utilize a registry to store an image - 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 - Describe the use of Dockerfile - Use CLI commands such as list, delete, prune, rmi, etc. to manage images - Describe how to set up and use a local registry |
| Topic 6: Networking | 15% | - Publish a port so that an application is accessible externally - Create a Docker bridge network for a developer to use for their containers - Describe the different types and use cases for the built-in network drivers - Configure Docker to use external DNS - Describe the differences between "host" and "ingress" port publishing mode - Troubleshoot container and engine logs to understand a connectivity issue between containers - Identify which IP and port a container is externally accessible on - Understand the Container Network Model and how it interfaces with the Docker engine and network and IPAM drivers - Describe how to install a remote driver to a specific infrastructure provider |
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