The IT sector has seen a rapid increase in market demand for Docker Certified Associates. Rising demand has been driven by Docker’s use in enterprises. The main driver of rising demand is Docker container, which is a concept of modernization. This means that Docker certification can be obtained by passing the Docker Certified Associate exam and earning a reputation for your Docker skills. These certifications can be difficult and require a lot more effort than just good preparations. Don’t worry, you are in luck! This Docker Certified Associate Cheat sheet is designed to give you a quick overview of all the resources. This cheat sheet will help you get through the exam with flying colors.
This certification will help you get recognition for your enterprise container skills. Before we get into the cheat sheet, let’s first take a look at the exam details.
Docker Certified Associate Exam Details
Docker is an enterprise-ready container platform which allows organizations to seamlessly create, share, and run any app, anywhere. Also, Docker facilities are highly sought after, and the Docker Certified Associate (DCA) exam is designed to prove that skillset with real-world questions created by experienced Docker practitioners.Further, the skills and knowledge this exam measures are obtained from an understanding of the jobs of current Docker users.
Responsibilities for Docker Certified Associate
This exam is based on the critical job activities that a Docker Certified Associate performs. This exam certifies the skills and knowledge of a Docker Associate.
Start by running containerized applications using pre-existing images from a central registry.
Next, deploy images across the cluster.
Also, triage and resolve issues reports from stakeholders and resolve.
Standup for Enterprise clusters with one UCP manger, one DTR replica and one worker node.
Additionally, you can migrate traditional applications to containers.
Configure and troubleshoot Docker engines.
Finally, perform general maintenance and configuration.
Skills required
These are the skills required to pass the Docker Certified Associate certification exam
First, 6 months experience with Docker
Secondly, Exposure To Docker Enterprise Edition
Also, experience with container security
Further, you can also experience at least one cloud provider
Understanding Docker Best Practices
Furthermore, Experience with configuration management tools
Finally, experience with Linux and/or Windows Server
Quick Cheat Sheet for Docker Certified Associate
It is important to have the right information and resources when you are studying for any exam. This Cheat Sheet will help you to master the exam.
Docker Certified Associate Course Outline
First, it is important to thoroughly analyze the exam objectives. They are the most important part in your revisions. To get a clear picture, visit the Official Website of the exam. It is the best site to find information about the exam. Once you have read the basics of the exam, it is time to move on to the Course Outline. Now it’s time for the Course Outline. This Course Outline gives you detailed information about the exam concepts. This outline will help you to tailor your study plan to the exam domains. These are the objectives of the Docker Certified Associate exam:
Domain 1: Orchestration (25%).
Complete the setting up of a swarm-mode cluster with managers and worker nodes. (Documentation : Swarm mode cluster.
Describe the differences between running an container and running a business service (Documentation : Container vs Running a Business Service)
Demonstrate steps for locking a cluster of swarms (Documentation : Lock a cluster of swarms )
Extend the instructions for running individual containers under swarm (Documentation : Run individual containers under swarm ).
Interpret the output from “docker inspect commands” (Documentation : Output of “docker inspection” commands).
Convert an application deployment to a stack file by using a YAML compose with “dockerStack deploy” (Documentation : “DockerStack deploy”)
Manage a running list of services (Documentation : Manage a running list of services )
Increase in the number of replicas (Documentation : Increase in the number of replicas)
Add networks, publish port (Documentation : Add networks and publish ports )
Mount volumes (Documentation: Mount volumes )
Illustration of running a global service that is replicated (Documentation : Replicated service vs global)
Identify the steps required to troubleshoot an undeploying service (Documentation : Steps to troubleshoot an undeploying service )
Use node labels for demonstrating the placement of tasks (Documentation : Node labels to show placement of tasks )
Draw a Dockerized app communicating with legacy systems (Documentation : Dockerized applications communicate with legacy systems ).
Paraphrase the importance of quorum in a swarm cluster (Documentation:Importance of quorum in a swarm cluster )
Demonstrate the use of templates with “docker Service Create” (Documentation : Use of templates with Docker Service Create)
Domain 2: Image Creation and Management, and Registry (20%)
Describe Dockerfile options [add, copy, volumes, expose, entrypoint, etc) (Documentation: Dockerfile options(add, copy, volumes, expose, entrypoint, etc) )
Show the main parts a Dockerfile (Documentation : Main parts a Dockerfile)
Give examples of how to create a efficient image using a Dockerfile. Documentation: How to make a Dockerfile image that is efficient
To manage images, use CLI commands like list, delete and prune, rmi etc. (Documentation : Use CLI commands like list, delete and prune, rmi etc.
Take a look at the images and make a report.