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Docker DCA Exam Syllabus

Docker Certified Associate (DCA) Exam

Last Update Nov 24, 2024
Total Questions : 183

What is Included in the Docker DCA Exam?

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DCA Exam Details

Docker DCA Exam Detail

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Free DCA Exam Questions

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Docker DCA Exam Overview :

Exam Name Docker Certified Associate (DCA) Exam
Exam Code DCA
Official Information https://success.docker.com/certification
See Expected Questions Docker DCA Expected Questions in Actual Exam
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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 Syllabus:

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