EX280

Red Hat Certified System Administrator in OpenShift exam

Overview

The Red Hat Certified System Administrator in OpenShift exam (EX280) tests the knowledge, skills, and ability to create, configure, and manage a cloud application platform using Red Hat OpenShift Container Platform. 

By passing this exam, you become a Red Hat Certified System Administrator in OpenShift that also counts towards earning a Red Hat Certified Architect in OpenShift.

This exam is based on Red Hat® OpenShift® Container Platform 4.18.

Audience for this exam

  • System and Software Architects who need an understanding of the  features and functionality of an OpenShift Container Platform cluster.
  • System Administrators who need to support the initial establishment of an OpenShift cluster.
  • Cluster Operators who need to support ongoing maintenance of an OpenShift cluster.
  • Site Reliability Engineers who need to support the ongoing maintenance and troubleshooting of an OpenShift cluster.
  • System administrators who want to demonstrate their OpenShift Container Platform skills
  • System administrators or developers who are working in a DevOps environment using Red Hat OpenShift Container Platform

Prerequisites for this exam

Candidates for this exam should:

 Objectives

In preparation

Study points for the exam

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

  • Manage OpenShift Container Platform
    • Use the web console to manage and configure an OpenShift cluster
    • Use the command-line interface to manage and configure an OpenShift cluster
    • Create and delete projects
    • Locate and examine container images
    • Identify images using tags and digests
    • Query, format, and filter attributes of Kubernetes resources
    • Import, export, and configure Kubernetes resources
    • Examine resources and cluster status
    • Monitor cluster events and alerts
    • View logs
    • Assess the health of an OpenShift cluster
    • Troubleshoot common container, pod, and cluster events and alerts
    • Use product documentation
    • Be prepared to perform all tasks of a Red Hat Certified Technologist in OpenShift
  • Work with resource manifests
    • Deploy applications from YAML resource manifests
    • Update application deployments
    • Deploy applications using Kustomize
    • Work with Kustomize overlays
    • Create and use secrets
    • Create and use configuration maps
  • Deploy applications
    • Deploy applications from templates and Helm charts
    • Manage application deployments
    • Work with replica sets
    • Work with labels and selectors
    • Configure services
    • Expose applications to external access
  • Manage authentication and authorization
    • Configure the HTPasswd identity provider for authentication
    • Create and delete users
    • Modify user passwords
    • Create and manage groups
    • Modify user and group permissions
  • Configure network security
    • Configure networking components
    • Troubleshoot software defined networking
    • Create and edit external routes
    • Control cluster network ingress
    • Secure external and internal traffic using TLS certificates
    • Configure application network policies
  • Expose non-HTTP/SNI Applications
    • Configure a load balancer service
    • Configure external application access
  • Enable developer self-service
    • Configure cluster resource quotas
    • Configure project quotas
    • Configure project resource requirements
    • Configure project limit ranges
    • Configure project templates
  • Manage OpenShift operators
    • Install an operator
    • Uninstall an operator
    • Delete an operator
  • Configure application security
    • Configure and manage service accounts
    • Run privileged applications
    • Manage and apply permissions using security context constraints
    • Create and apply secrets to manage sensitive information
    • Configure application access to Kubernetes APIs
    • Deploy jobs to perform one-time tasks
    • Configure Kubernetes cron jobs
 What you need to know

Preparation

Red Hat encourages you to consider taking Red Hat OpenShift Administration I: Containers & Kubernetes and Red Hat OpenShift Administration II: Operating a Production Kubernetes Cluster to help prepare.

Exam format

Be sure to review the Red Hat Certification Program Guide to ensure you are familiar with all official policies and exam procedures before booking your session.

This exam is a performance-based evaluation of skills and knowledge required to configure and manage a cloud application platform. Candidates perform routine configuration and administrative tasks using Red Hat OpenShift Container Platform and are evaluated on whether they have met specific objective criteria. Performance-based testing means that candidates must perform tasks similar to what they perform on the job.

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