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Docker Certified Associate (DCA): Exam Guide

You're reading from Docker Certified Associate (DCA): Exam Guide Enhance and validate your Docker skills by gaining Docker certification

Product type Paperback

Published in Sep 2020

Publisher Packt

ISBN-13 9781839211898

Length 612 pages

Edition 1st Edition

Tools

Docker

Concepts

IT Certification

Author (1):

Francisco Javier Ramírez Urea

View More author details

Table of Contents (22) Chapters

Preface

1. Section 1 - Key Container Concepts

2. Modern Infrastructures and Applications with Docker FREE CHAPTER

3. Building Docker Images

4. Running Docker Containers

5. Container Persistency and Networking

6. Deploying Multi-Container Applications

7. Introduction to Docker Content Trust

8. Section 2 - Container Orchestration

9. Introduction to Orchestration

10. Orchestration Using Docker Swarm

11. Orchestration Using Kubernetes

12. Section 3 - Docker Enterprise

13. Introduction to the Docker Enterprise Platform

14. Universal Control Plane

15. Publishing Applications in Docker Enterprise

16. Implementing an Enterprise-Grade Registry with DTR

17. Section 4 - Preparing for the Docker Certified Associate Exam

18. Summarizing Important Concepts

19. Mock Exam Questions and Final Notes

20. Assessments

21. Other Books You May Enjoy

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Chapter 10

c: Docker Machine is maintained by the Docker community.
a: Docker Enterprise provides a supported and enterprise-ready CaaS platform, with supported Kubernetes, Universal Control Plane (UCP), and Docker Trusted Registry (DTR, based on the Docker Registry community). We can deploy Docker Swarm in production even with Docker support using Docker Enterprise Engine.
a, b, and d: Docker Enterprise provides Kubernetes out of the box when we deploy UCP – we do not need to install Kubernetes manually.

d: We will use fixed IP addresses for all components. We will use an external load balancer to forward traffic to all manager nodes for UCP and all worker nodes with DTR running for the registry. Forwarding traffic to just one node will not provide high availability if it fails. The Docker UCP installation will deploy Calico by default for Kubernetes, but we will need to review pod-cidr and service-cidr to ensure that the subnets defined by default will be valid in our environment...

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Authors (1)

Francisco Javier Ramírez Urea

Francisco Javier Ramírez Urea

Francisco Javier Ramírez Urea has been working in the IT industry since 1999 after receiving his bachelor's degree in physical sciences. He worked as a systems administrator for years before specializing in the monitoring of networking devices, operating systems, and applications. In 2015, he started working with software container technologies as an application architecture consultant and has developed his career and evolved with these technologies ever since. He became a Docker Captain in 2018 alongside being a Docker and Kubernetes teacher with various certifications (CKA, CKS, Docker DCA and MTA, and RedHat RHCE/RHCSA). He currently works at the European Union Satellite Centre as a SecDevOps officer.

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