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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.

What is the duration, language, and format of Docker Certified Associate Exam

Number of Questions: 55
Type of Questions: Multiple choice, Multiple answers
language: English
Length of Examination: 90 mins
Passing score: 65%

Docker Certified Associate Certification Path

Docker Certified Associate Exam is associate level Certification. It is strongly recommended that aspirants for this exam should have a foundational level of knowledge about Docker 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

Europe - 61,547 EURO
England - 62,532 POUND
United State - 80,000 USD
India - 12,00,327 INR

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Docker DCA Exam Syllabus Topics:

Section	Weight	Objectives
Networking	15%	- Describe how to install a remote driver to a specific infrastructure provider - Understand the Container Network Model and how it interfaces with the Docker engine and network and IPAM drivers - Publish a port so that an application is accessible externally - Describe the different types and use cases for the built-in network drivers - Create a Docker bridge network for a developer to use for their containers - Identify which IP and port a container is externally accessible on - 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
Orchestration	25%	- Describe how to provide configuration to Kubernetes pods using configMaps and secrets - Extend the instructions to run individual containers into running services under swarm - Increase number of replicas - Complete the setup of a swarm mode cluster - Mount volumes - State the differences between running a container vs running a service - Describe the difference between global and replicated services - Manipulate a running stack of services - Convert an application deployment into a stack file using a YAML compose file with "docker stack deploy" - Describe how to deploy containerized workloads as Kubernetes pods and deployments - Demonstrate steps to lock a swarm cluster - Interpret the output of "docker inspect" commands - Identify the steps needed to troubleshoot a service not deploying - Add networks, publish ports - Describe how a Dockerized application communicates with legacy systems - Describe and demonstrate how to use replication mode
Installation and Configuration	15%	- Create and manager user and teams - Describe the use of UCP (Universal Control Plane) - Describe the interaction between Docker and Linux - Complete setup of repo, select a storage driver, and complete installation of Docker engine on multiple platforms - Use the install command to install DTR (Docker Trusted Registry) - Outline the sizing requirements prior to installation - Demonstrate the ability to upgrade the Docker engine - Configure logging drivers (splunk, journald, etc.) - Interpret errors to troubleshoot installation issues without assistance - Setup swarm, configure managers, add nodes, and setup the backup schedule - Describe namespaces, cgroups, and configuration of certificates
Security	15%	- Describe UCP and DTR integration with LDAP/AD - Configure RBAC with UCP - Describe MTLS and identity roles - Describe the process to sign a Docker image - Describe identity roles - Enable Docker Content Trust - Describe default engine security - Describe the difference between UCP and DTR - Describe MTLS - Describe the security architecture and responsibilities of the Docker EE platform - Compare the UCP workers and managers - Describe swarm default security
Image Creation, Management, and Registry	20%	- Describe the use of Dockerfile - Inspect images and report specific attributes using filter and format - 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 how to set up and use a local registry - Give examples on how to create an efficient image via a Dockerfile - Identify and display the main parts of a Dockerfile - Describe options, such as add, copy, volumes, expose, entry point - Display layers of a Docker image - Apply a file to create a new image - Demonstrate tagging an image - Describe how image layers work
Storage and Volumes	10%	- Describe how volumes work with containers - Describe the use of tmpfs for ephemeral storage - Identify the steps to take to clean up unused images on a filesystem and DTR - Describe the different graph driver storage backends - Describe how to use a volume plugin (local vs. NFS) - Describe the storage models available for DTR (NFS, local)