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Overview

The Red Hat Certified Specialist in Containers and Kubernetes exam (EX180) tests your skills and knowledge of the fundamentals of containers and OpenShift, including the ability to find, customize, run, and manage containerized services in both stand-alone environments, and environments with both Kubernetes and OpenShift.

By passing this exam, you become a Red Hat Certified Specialist in Containers and Kubernetes , which also counts towards earning a Red Hat Certified Architect (RHCA®).

This exam is based on Red Hat® OpenShift® Container Platform 4.6 and Red Hat Enterprise Linux 8.2.

Audience

  • Administrators, architects, software developers, and anyone responsible for creating, managing, or using containers, including those who want to demonstrate their understanding of the key concepts and processes underlying the use of containers in modern software.
  • Developers who wish to containerize software applications.
  • Administrators who are new to container technology and container orchestration.
  • Architects who are considering using container technologies in software architectures.
  • Site reliability engineers who are considering using Kubernetes and Red Hat OpenShift.

 

Skills Gained

To help you prepare, the exam objectives below highlight the task areas you can expect to see covered in the exam.

You should be able to demonstrate these skills and abilities:

Implement images using Podman

  • Understand and use FROM (the concept of a base image) instruction.
  • Understand and use RUN instruction.
  • Understand and use ADD instruction.
  • Understand and use COPY instruction.
  • Understand the difference between ADD and COPY instructions.
  • Understand and use WORKDIR and USER instructions.
  • Understand security-related topics.
  • Understand the differences and applicability of CMD vs. ENTRYPOINT instructions.
  • Understand ENTRYPOINT instruction with param.
  • Understand when and how to expose ports from a Docker file.
  • Understand and use environment variables inside images.
  • Understand ENV instruction.
  • Understand container volume.
  • Mount a host directory as a data volume.
  • Understand security and permissions requirements related to this approach.
  • Understand lifecycle and cleanup requirements of this approach.

Manage images

  • Understand private registry security.
  • Interact with many different registries.
  • Understand and use image tags.
  • Push and pull images from and to registries.
  • Back up an image with its layers and meta data vs. backup a container state.

Run containers locally using Podman

  • Get container logs.
  • Listen to container events on the container host.
  • Use Podman inspect.

Basic OpenShift knowledge

Creating applications in OpenShift

  • Create, manage and delete projects from a template, from source code, and from an image.
  • Customize catalog template parameters.
  • Specifying environment parameters.
  • Expose public applications.

Troubleshoot applications in OpenShift

  • Understand the description of application resources.
  • Get application logs.
  • Inspect running applications.
  • Connecting to containers running in a pod.
  • Copy resources to/from containers running in a pod.

As with all Red Hat performance-based exams, configurations must persist after reboot without intervention.

 

Prerequisites

  • Have taken Red Hat OpenShift I: Containers & Kubernetes (DO180)
  • Take our free assessment to find the course that best supports your preparation for this exam.

Outline

Red Hat is the world's leading open source application and technology solutions provider whose core products are based on the Linux operating system.

Red Hat revolutionised Linux with Red Hat Enterprise Linux some 25 years ago. Red Hat now has a broad portfolio, including hybrid cloud infrastructure, middleware, agile integration, cloud-native application development, and management and automation solutions. With Red Hat technologies, companies can successfully adapt as business becomes more digital and interconnected.

Red Hat is now a subsidiary of IBM (since July 2019).

As authorised Resellers of Red Hat applications and certifications, CM Training has the full product portfolio of Red Hat training courses and Certification tracks including JBoss open source middleware. Those wanting an introduction to the main concepts of Red Hat Enterprise Linux will find the Red Hat System Administration 1 RH124 ideal, and a pre-requisite for obtaining the RHCSA certification track.

Other popular training courses and tracks include: JBoss Hibernate Technology (JB297), Red Hat Certified Engineer (RHCE), Red Hat Enterprise Security (RHS333), the highly practical Linux Troubleshooting Techniques and Tools (RH142) and the newly released - Red Hat Cloud Architecture (CL350) course.

Note that Red Hat sells subscriptions for support, training, and integration services to help customers in using their open-source software products. Customers pay one set price for unlimited access to services such as Red Hat Network and up to 24/7 support. 

Contact us now to get more information on Red Hat certification and training courses and accessing a Red Hat subscription

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