Red Hat Certified OpenShift Application Developer exam (EX288)

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• Application developers in a DevOps role who are responsible for managing a Red Hat OpenShift Container Platform Kubernetes environment
• Application developers in a DevOps role who are responsible for implementing a Red Hat OpenShift Container Platform Kubernetes environment
• Application developers who are responsible for creating containerized applications or converting existing applications into containerized applications
• Site reliability engineers

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To help you prepare, the exam objectives highlight the task areas you can expect to see covered in the exam. Red Hat reserves the right to add, modify, and remove exam objectives. Such changes will be made public in advance.

As part of this exam, you should be able to perform these tasks:

Work with Red Hat OpenShift Container Platform

• Create and work with multiple OpenShift projects
• Deploy single container and multi-container applications
• Create and use a Helm chart
• Customize deployments with Kustomize
• Implement application health monitoring
• Understand basic Git usage and work with Git in the context of deploying applications in OpenShift
• Configure the OpenShift internal registry to meet specific requirements
• Create and deploy cloud-native applications for OpenShift
• Manage applications with the web console

Deploy multi-container applications

• Create Helm charts
• Customizing deployments with Kustomize

Work with container images

• Use command line utilities to create and manipulate container images
• Optimize container images
• Publish container images to a registry

Troubleshoot application deployment issues

• Diagnose and correct minor issues with application deployment

Work with image streams

• Create custom image streams to deploy applications
• Pull applications from existing Git repositories
• Debug minor issues with application deployment

Work with configuration maps

• Create configuration maps
• Use configuration maps to inject data into applications

Work with the source-to-image (S2I) tool

• Deploy applications using S2I
• Customize existing S2I builder images

Work with hooks and triggers

• Create a hook that runs a provided script
• Test and confirm proper operation of the hook
• Manage and trigger application builds

Work with templates

• Create an OpenShift template
• Use pre-existing templates written in either JSON or YAML format
• Work with multi-container templates
• Add custom parameters to a template

During the exam you may be required to work with one or more pre-written applications. You will not be required to modify application code however in some cases you may need to utilize supplied documentation in order to fully test and complete the deployment of a given application.