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Topics of Docker Certified Associate Exam
Candidates should apprehend the examination topics before they begin of preparation. Our DCA exam dumps will include the following topics:
Lesson 01 - Introduction
- Docker Architecture InAction
- Images And Containers
- Containerization And Virtualization
- Understanding Docker Overview
- Docker Ecosystem
- Docker Architecture Engine And Objects
- Docker Architecture Container Format
Lesson 02 - Understanding Docker
- End of Module
- Containers on Filesystem
- Deploy, Login, Exit Container
- Deleting Containers
- Multiple Containers
- Working with Containers Hostnames
- List,Start, Stop Restart Containers
- Stats Inspect
- Installation: continued
- Installation: CentOS
- Docker On Linux Platform
Lesson 03 - Docker CE on Linux Platform
- Introduction to Overlay Network
- Host Network
- Remove Networks
- Bridge Network
- Create New Networks
- Multiple Networks In Container
- Disconnect And Add Network
- Container Networking
- Docker Networking
- Exercise: Use Custom Networks
- None Network
Lesson 04 - Docker Networking
- Docker Images CLI Commands: Contd
- Build Image using Dockerfile
- External Storage
- Manage Application Data
- Push Images to Docker Hub
- Selecting Storage Driver
- Docker Storage and Volumes
- Docker Images: Recap
- Docker Images
- Persistent Storage
- Docker tmpfs Mounts
- Build Image using Commit
- Docker Volumes
- Search and Pull Images from Docker Hub
- Docker file Instructions
- Docker Bind Mounts
- Docker Images CLI Commands
- Docker Storage Drivers
- Lesson 05 - Docker Images
Lesson 06 - Docker Storage and Volumes
- Case for Docker Compose
- Compose Lab
- Compose Installation
- Docker Compose
Lesson 07 - Docker Compose
- Managing Swarm Services
- Concepts of Swarm
- Docker Swarm
- Docker Stack
- Create Swarm
- Updates to Services
- Secrets and Overlay Network
- Deploy Services to Swarm
- Maintain Swarm
Lesson 08 - Orchestration Docker Swarm
- Introduction to UCP
- LDAP with UCP
- Deploy, Manage, and Monitor UCP
- External Certificates
- Access Control
- Universal Control Plane
- Client Certificate Bundles
Lesson 09 - Universal Control Plane
- Backup Swarm UCP DTR
- Docker Trusted Registry
- Miscellaneous Topic with DTR
- Introduction Deploy DTR
Lesson 10 - Docker Trusted Registry
- Security With MTLS
- Docker Security Logs
- Logs and Logging Drivers
- Docker Content Trust
- Security Scanning
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Who should take the Docker Certified Associate Exam
The DCA Exam certification is an internationally-recognized certification that helps to have validation for those professionals who are knowledgeable in the Docker containerization technology. Candidates should have 6-12 months of experience and knowledge of using Docker services and docker images. It is good for these candidates:
- Linux Administrator
- Developers
- IT Administrator
- Fresher
Reference: https://dockerlabs.collabnix.com/docker/dca.html
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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.
Docker DCA Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Image Creation, Management, and Registry | 20% | - Give examples on how to create an efficient image via a Dockerfile - Describe how image layers work - Utilize a registry to store an image - Describe options, such as add, copy, volumes, expose, entry point - Describe how an image registry works - Apply a file to create a new image - Display layers of a Docker image - Use CLI commands such as list, delete, prune, rmi, etc. to manage images - Describe the use of Dockerfile - Describe how to set up and use a local registry - Inspect images and report specific attributes using filter and format - Demonstrate tagging an image - Identify and display the main parts of a Dockerfile |
| Orchestration | 25% | - Complete the setup of a swarm mode cluster - Describe the difference between global and replicated services - Manipulate a running stack of services - Increase number of replicas - Interpret the output of "docker inspect" commands - State the differences between running a container vs running a service - Demonstrate steps to lock a swarm cluster - Describe how to provide configuration to Kubernetes pods using configMaps and secrets - Describe how to deploy containerized workloads as Kubernetes pods and deployments - Identify the steps needed to troubleshoot a service not deploying - Describe how a Dockerized application communicates with legacy systems - Mount volumes - Extend the instructions to run individual containers into running services under swarm - Describe and demonstrate how to use replication mode - Convert an application deployment into a stack file using a YAML compose file with "docker stack deploy" - Add networks, publish ports |
| Security | 15% | - Describe MTLS - Describe swarm default security - Describe the process to sign a Docker image - Configure RBAC with UCP - Describe default engine security - Enable Docker Content Trust - Describe the difference between UCP and DTR - Compare the UCP workers and managers - Describe identity roles - Describe the security architecture and responsibilities of the Docker EE platform - Describe UCP and DTR integration with LDAP/AD - Describe MTLS and identity roles |
| Installation and Configuration | 15% | - Describe namespaces, cgroups, and configuration of certificates - Use the install command to install DTR (Docker Trusted Registry) - 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 - Outline the sizing requirements prior to installation - Describe the use of UCP (Universal Control Plane) - Create and manager user and teams - Complete setup of repo, select a storage driver, and complete installation of Docker engine on multiple platforms - Demonstrate the ability to upgrade the Docker engine - Describe the interaction between Docker and Linux |
| Networking | 15% | - Identify which IP and port a container is externally accessible on - Create a Docker bridge network for a developer to use for their containers - 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 - Troubleshoot container and engine logs to understand a connectivity issue between containers - Configure Docker to use external DNS - Publish a port so that an application is accessible externally - Describe the differences between "host" and "ingress" port publishing mode - Understand the Container Network Model and how it interfaces with the Docker engine and network and IPAM drivers |
| Storage and Volumes | 10% | - 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 volumes work with containers - Describe how to use a volume plugin (local vs. NFS) - Describe the storage models available for DTR (NFS, local) |
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