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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.
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How to study the Docker Certified Associate Exam
The preparation of certification exams could be covered with two resource types. The first one is the study guides, reference books, and study forums that are elaborated and appropriate for building information from the ground up. Apart from the video tutorials and lectures are a good option to ease the pain of through study and are relatively make the study process more interesting nonetheless these demand time and concentration from the learner.
Many candidates who wish to create a solid foundation altogether examination topics and connected technologies typically mix video lectures with study guides to reap the advantages of each but practice exams or practice exam engines is one important study tool that goes typically unnoted by most candidates. Practice exams are designed with our experts to make exam prospects test their knowledge on skills attained in the course, as well as prospects become comfortable and familiar with the real exam environment. Statistics have indicated exam anxiety plays a much bigger role in student's failure in the exam than the fear of the unknown. The ActualVCE expert team recommends preparing some notes on these topics along with it don't forget to practice DCA exam dumps which had been written by our expert team, each of these can assist you loads to clear this exam with excellent marks.
Reference: https://dockerlabs.collabnix.com/docker/dca.html
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By gathering, analyzing, filing essential contents into our DCA training quiz, they have helped more than 98 percent of exam candidates pass the exam effortlessly and efficiently. You can find all messages you want to learn related with the exam in our DCA practice engine. Any changes taking place in the environment and forecasting in the next exam will be compiled earlier by them. About necessary or difficult questions, they left relevant information for you.
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What is the duration, language, and format of Docker Certified Associate Exam
- Length of Examination: 90 mins
- Passing score: 65%
- Number of Questions: 55
- Type of Questions: Multiple choice, Multiple answers
- language: English
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Introduction to Docker Certified Associate Exam
Docker Certified Associate (DCA) certification serves as a foundational benchmark for real-world container technology expertise with Docker Enterprise Edition. Candidates for DCA Exam are seeking to prove fundamental Docker containerization technology knowledge and skills. Before taking this exam, exam aspirants ought to have a solid fundamental information of the concepts shared in the preparation guide as well as on containerization.
It is suggested that professionals accustomed to the ideas and also the technologies represented here by taking relevant training courses. Candidates are expected to have a strong understanding of core docker services, docker images, docker container, and their cmdlets. After passing this exam, candidates get a certificate from Docker that helps them to demonstrate their proficiency in Docker containerization technology to their clients and employers.
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Docker DCA Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Orchestration | 25% | - Complete the setup of a swarm mode 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 - Describe how to deploy containerized workloads as Kubernetes pods and deployments - Increase number of replicas - Convert an application deployment into a stack file using a YAML compose file with "docker stack deploy" - Describe how a Dockerized application communicates with legacy systems - Add networks, publish ports - Identify the steps needed to troubleshoot a service not deploying - Manipulate a running stack of services - Mount volumes - Interpret the output of "docker inspect" commands - Describe the difference between global and replicated services - State the differences between running a container vs running a service - Demonstrate steps to lock a swarm cluster - Describe and demonstrate how to use replication mode |
| Image Creation, Management, and Registry | 20% | - Display layers of a Docker image - Describe how to set up and use a local registry - Identify and display the main parts of a Dockerfile - Use CLI commands such as list, delete, prune, rmi, etc. to manage images - Demonstrate tagging an image - Utilize a registry to store an image - Give examples on how to create an efficient image via a Dockerfile - Describe how an image registry works - Inspect images and report specific attributes using filter and format - Describe the use of Dockerfile - Apply a file to create a new image - Describe how image layers work - Describe options, such as add, copy, volumes, expose, entry point |
| Networking | 15% | - Describe how to install a remote driver to a specific infrastructure provider - Describe the different types and use cases for the built-in network drivers - Publish a port so that an application is accessible externally - Troubleshoot container and engine logs to understand a connectivity issue between containers - Configure Docker to use external DNS - Create a Docker bridge network for a developer to use for their 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 the differences between "host" and "ingress" port publishing mode |
| Security | 15% | - Describe swarm default security - Describe the process to sign a Docker image - Describe UCP and DTR integration with LDAP/AD - Compare the UCP workers and managers - Describe MTLS - Describe MTLS and identity roles - Configure RBAC with UCP - Describe the security architecture and responsibilities of the Docker EE platform - Describe the difference between UCP and DTR - Describe default engine security - Enable Docker Content Trust - Describe identity roles |
| Storage and Volumes | 10% | - Describe the storage models available for DTR (NFS, local) - Describe the different graph driver storage backends - Describe how volumes work with containers - 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 the use of tmpfs for ephemeral storage |
| Installation and Configuration | 15% | - Use the install command to install DTR (Docker Trusted Registry) - Demonstrate the ability to upgrade the Docker engine - Complete setup of repo, select a storage driver, and complete installation of Docker engine on multiple platforms - Outline the sizing requirements prior to installation - Describe the interaction between Docker and Linux - Describe namespaces, cgroups, and configuration of certificates - Interpret errors to troubleshoot installation issues without assistance - Describe the use of UCP (Universal Control Plane) - Create and manager user and teams - Setup swarm, configure managers, add nodes, and setup the backup schedule - Configure logging drivers (splunk, journald, etc.) |
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