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Docker Certified Associate DCA Practice Exams Latest version

Prepare for Docker Certified Associate certification & Pass successfully your Exam !

Docker Certified Associate DCA Practice Exams Latest version

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Docker Certified Associate - Practice Exams

Docker Certified Associate certification is for the DevOps engineers to validate their Docker skills and expertise of using Docker tool.

This practice test will serve as your ultimate warm-up before you apply for the main exam. It will help you analyze your knowledge and practice and will also provide a broad perspective on what to expect from the certification exam.


Format:

  • The test will consist of 55 MCQs (Multiple Choice Questions)

  • Each correct answer will grant one mark/point with NO negative marking

  • There are NO optional questions

  • The time duration of this test will be 90 minutes

  • Docker has not disclosed any passing criteria or cut-off for DCA exam but the cut-off for this practice test is set to 80% (aim high!)


The Syllabus:

This practice test tries to stay as close to the DCA certification's syllabus as possible with the weight of topics for questions roughly distributed as follows:

  • Orchestration - 25%

  • Image Creation, Management, and Registry - 20%

  • Installation and Configuration - 15%

  • Networking - 15%

  • Security - 15%

  • Storage and Volumes - 10%


Domain 1: Orchestration (25% of exam)

  • Understand Docker Swarm Orchestration

  • Setup of a swarm mode cluster, with managers and worker nodes

  • Differences between running a container vs running a service

  • Lock a swarm cluster

  • Inspect docker and container using "docker inspect" commands

  • YAML compose file with "docker stack deploy"

  • Update/Change a running stack of services

  • Increase/Decrease # of replicas

  • Add networks, publish ports

  • Mount volumes

  • Differences and use-cases for replicated vs global service

  • Troubleshoot a service using logs

  • Applying node labels

  • Task placement using node labels

  • Using templates with docker service

Domain 2: Image Creation, Management, and Registry (20% of exam)

  • Describe Dockerfile options [add, copy, volumes, expose, entrypoint, etc)

  • Understand Dockerfile and create an efficient image

  • Use CLI commands such as list, delete, prune, rmi, etc to manage images

  • Inspect images and report specific attributes using filter and format

  • Tagging, Pushing, Signing, pulling, adding a file, Modify an image

  • Modify an image to a single layer

  • Configure and setup registry,

  • Display layers of a Docker image

  • Describe how image layers work

  • Login, Search, Delete image in a registry

Domain 3: Installation and Configuration (15% of exam)

  • Setup repo, storage driver, install and upgrade docker-engine in various platforms

  • Configure logging drivers (splunk, journald, etc)

  • Setup swarm, configure managers, add nodes, and setup backup schedule

  • Create and manage user and teams

  • Sizing requirements for production scenarios

  • Understand namespaces, cgroups, and configuration of certificates

  • Use certificate-based client-server authentication to ensure a Docker daemon has the rights to access images on a registry

  • Setup in AWS infrastructure along with HA config

  • Complete configuration of backups for UCP and DTR

  • Configure the Docker daemon to start on boot

Domain 4: Networking (15% of exam)

  • Create and setup a bridge network

  • Publish ports and identify ip to access the containers.

  • Explore and set up a different type of networks like bridge, host and null network

  • Describe the different types and use cases for the built-in network drivers

  • Introduction to DNS and using external DNS

  • Load balance traffic between containers

  • Communication between Docker engine, registry, and UCP controllers

  • Deploy service on a Docker overlay network

  • Describe the difference between "host" and "ingress" port publishing mode

Domain 5: Security (15% of exam)

  • Signing image

  • Enable Docker Content Trust

  • Configure (Role-Based Access Control) RBAC in UCP

  • Overview of Integration of UCP with LDAP/AD

  • Create, download and use UCP client bundles

  • Securing Docker swarm

  • Difference between UCP workers and managers

  • The process to use external certificates with UCP and DTR

Domain 6: Storage and Volumes (10% of exam)

  • Various graph driver and its usage

  • Configure device-mapper

  • Compare object storage to block storage, and explain which one is preferable when available

  • Different layers in a docker container and how volumes are used with docker for persistent storage

  • Cleanup unused images in filesystem and Registry


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