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Docker DCA Exam

Docker Certified Associate Exam

Total Questions: 183
Last Updated : 22-04-2024

What is Included in the Docker DCA Exam?

Authentic information about the syllabus is essential to go through the Docker DCA exam in the first attempt. Study4Exam provides you with comprehensive information about Docker DCA exam topics listed in the official syllabus. You should get this information at the start of your preparation because it helps you make an effective study plan. We have designed this Docker Certified Associate certification exam preparation guide to give the exam overview, practice questions, practice test, prerequisites, and information about exam topics that help to go through the Docker Certified Associate Exam exam. We recommend you use our preparation material to cover the entire Docker DCA exam syllabus. Study4Exam offers 3 formats of Docker DCA exam preparation material. Each format provides new practice questions in PDF format, web-based and desktop practice exams to get passing marks in the first attempt.

Docker DCA Exam Overview :

Exam Name Docker Certified Associate Exam
Exam Code DCA
Official Information https://dockerlabs.collabnix.com/docker/dca.html
See Expected Questions Docker DCA Expected Questions in Actual Exam
Take Self-Assessment Use Docker DCA Practice Test to Assess your preparation - Save Time and Reduce Chances of Failure

Docker DCA Exam Topics :

Section Weight Objectives
Domain 1: Orchestration 25% Content may include the following:
 
  • Complete the setup of a swarm mode cluster, with managers and worker nodes
  • Describe and demonstrate how to extend the instructions to run individual containers into running services under swarm.
  • Describe the importance of quorum in a swarm cluster.
  • Describe the difference between running a container and running a service.
  • Interpret the output of “docker inspect” commands.
  • Convert an application deployment into a stack file using a YAML compose file with "docker stack deploy"
  • Manipulate a running stack of services.
  • Describe and demonstrate orchestration activities.
  • Increase the number of replicas.
  • Add networks, publish ports.
  • Mount volumes.
  • Describe and demonstrate how to run replicated and global services.
  • Apply node labels to demonstrate placement of tasks.
  • Describe and demonstrate how to use templates with “docker service create”.
  • Identify the steps needed to troubleshoot a service not deploying.
  • Describe how a Dockerized application communicates with legacy systems.
  • Describe how to deploy containerized workloads as Kubernetes pods and deployments.
  • Describe how to provide configuration to Kubernetes pods using configMaps and secrets.

 
Domain 2: Image Creation, Management, and Registry 20% Content may include the following:
  • Describe the use of Dockerfile.
  • Describe options, such as add, copy, volumes, expose, entry point.
  • Identify and display the main parts of a Dockerfile.
  • Describe and demonstrate how to create an efficient image via a Dockerfile.
  • Describe and demonstrate how to use CLI commands to manage images, such as list, delete, prune, rmi.
  • Describe and demonstrate how to inspect images and report specific attributes using filter and format
  • Describe and demonstrate how to tag an image.
  • Describe and demonstrate how to apply a file to create a Docker image.
  • Describe and demonstrate how to display layers of a Docker image
  • Describe and demonstrate how to modify an image to a single layer.
  • Describe and demonstrate registry functions.
  • Deploy a registry.
  • Log into a registry.
  • Utilize search in a registry.
  • Push an image to a registry.
  • Sign an image in a registry.
  • Pull and delete images from a registry.

 
Domain 3: Installation and Configuration 15% Content may include the following:
  • Describe sizing requirements for installation.
  • Describe and demonstrate the setup of repo, selection of a storage driver, and installation of the Docker engine on multiple platforms.
  • Describe and demonstrate configuration of logging drivers (splunk, journald, etc.).
  • Describe and demonstrate how to set up swarm, configure managers, add nodes, and setup the backup schedule.
  • Describe and demonstrate how to create and manage user and teams.
  • Describe and demonstrate how to configure the Docker daemon to start on boot.
  • Describe and demonstrate how to use certificate-based client-server authentication to ensure a Docker daemon has the rights to access images on a registry.
  • Describe the use of namespaces, cgroups, and certificate configuration.
  • Describe and interpret errors to troubleshoot installation issues without assistance.
  • Describe and demonstrate the steps to deploy the Docker engine, UCP, and DTR on AWS and on-premises in an HA configuration.
  • Describe and demonstrate how to configure backups for UCP and DTR.
Domain 4: Networking 15% Content may include the following:
  • Describe the Container Network Model and how it interfaces with the Docker engine and network and IPAM drivers.
  • Describe the different types and use cases for the built-in network drivers.
  • Describe the types of traffic that flow between the Docker engine, registry and UCP controllers.
  • Describe and demonstrate how to create a Docker bridge network for developers to use for their containers.
  • Describe and demonstrate how to publish a port so that an application is accessible externally.
  • Identify which IP and port a container is externally accessible on.
  • Compare and contrast “host” and “ingress” publishing modes.
  • Describe and demonstrate how to configure Docker to use external DNS.
  • Describe and demonstrate how to use Docker to load balance HTTP/HTTPs traffic to an application (Configure L7 load balancing with Docker EE).
  • Understand and describe the types of traffic that flow between the Docker engine, registry, and UCP controllers
  • Describe and demonstrate how to deploy a service on a Docker overlay network.
  • Describe and demonstrate how to troubleshoot container and engine logs to resolve connectivity issues between containers.
  • Describe how to route traffic to Kubernetes pods using ClusterIP and NodePort services.
  • Describe the Kubertnetes’ container network model.
Domain 5: Security 15% Content may include the following:
  • Describe security administration and tasks.
  • Describe the process of signing an image.
  • Describe default engine security.
  • Describe swarm default security.
  • Describe MTLS.
  • Describe identity roles.
  • Compare and contrast UCP workers and managers.
  • Describe the process to use external certificates with UCP and DTR.
  • Describe and demonstrate that an image passes a security scan.
  • Describe and demonstrate how to enable Docker Content Trust.
  • Describe and demonstrate how to configure RBAC with UCP.
  • Describe and demonstrate how to integrate UCP with LDAP/AD.
  • Describe and demonstrate how to create UCP client bundles.
Domain 6: Storage and Volumes 10% Content may include the following:
  • Identify the correct graph drivers to uses with various operating systems.
  • Describe and demonstrate how to configure devicemapper.
  • Compare and contrast object and block storage and when they should be used.
  • Describe how an application is composed of layers and where these layers reside on the filesystem.
  • Describe the use of volumes are used with Docker for persistent storage.
  • Identify the steps to take to clean up unused images on a filesystem and DTR.
  • Describe and demonstrate how storage can be used across cluster nodes.
  • Describe how to provision persistent storage to a Kubernetes pod using persistentVolumes.
  • Describe the relationship between container storage interface drivers, storageClass, persistentVolumeClaim and volume objects in Kubernetes.

Updates in the Docker DCA Exam Topics:

Docker DCA exam questions and practice test are the best ways to get fully prepared. Study4exam's trusted preparation material consists of both practice questions and practice test. To pass the actual Docker Certified Associate DCA exam on the first attempt, you need to put in hard work on these questions as they cover all updated Docker DCA exam topics included in the official syllabus. Besides studying actual questions, you should take the Docker DCA practice test for self-assessment and actual exam simulation. Revise actual exam questions and remove your mistakes with the Docker Certified Associate Exam DCA exam practice test. Online and Windows-based formats of the DCA exam practice test are available for self-assessment.

 

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