The Red Hat Certified OpenShift Administrator exam (EX280) assesses the knowledge, skills, and abilities required to create, configure, and manage a cloud application platform using Red Hat OpenShift Container Platform.
By passing this exam, you will become a Red Hat Certified OpenShift Administrator, which will count toward your Red Hat Certified Architect (RHCA®) certification.
The objectives for this exam are based on the most recent version of the exam. After purchasing the exam, you may be able to access older versions.
Audience for this exam
Architects who need to understand the features and functionality of an OpenShift Container Platform cluster.
System administrators who need to help with the initial setup of an OpenShift cluster.
Cluster administrators who must support the ongoing maintenance of an OpenShift cluster.
Engineers who must support the ongoing maintenance and troubleshooting of an OpenShift cluster.
System administrators who want to demonstrate their knowledge of the OpenShift Container Platform
Red Hat Certified Engineers who want to advance to the level of Red Hat Certified Architect (RHCA)
System administrators or developers who use Red Hat OpenShift Container Platform in a DevOps environment
Prerequisites for this exam
Candidates for this exam should have the following qualifications:
Have completed Red Hat System Administration I (RH124) or equivalent experience. Red Hat Certified System Administrator (RHCSA) certification is strongly advised but not required.
Have completed the Red Hat OpenShift Administration I: Containers & Kubernetes (DO180) course or equivalent work experience with the OpenShift Container Platform
Have completed the Red Hat OpenShift Administration II: Operating a Production Kubernetes Cluster (DO280) course or have equivalent work experience with the OpenShift Container Platform.
Exam objectives for Red Hat Certified OpenShift Administrator (EX280)
It is recommended that you have prior experience with container technology.
Take our free assessment to determine which course will best support your exam preparation.
Exam preparation notes
Configurations must persist after reboot without intervention, as with all Red Hat performance-based exams.
Control the OpenShift Container Platform.
To manage and configure an OpenShift cluster, use the web console.
To manage and configure an OpenShift cluster, use the command-line interface.
Query, format, and filter Kubernetes resource attributes.
Kubernetes resources can be imported, exported, and configured.
Find and investigate container images
Projects can be created and deleted.
Examine the cluster's resources and status.
Examine the logs
Keep an eye on cluster events and alerts.
Examine the condition of an OpenShift cluster
Common container, pod, and cluster events and alerts should be investigated.
Make use of product documentation.
Manage Application Configuration and Data Storage
Create and employ secrets.
Construct and apply configuration maps
Consistent Provision Block and file-based data storage volumes
Make use of storage classes.
StatefulSets are used to manage non-shared storage.
Setup Applications for Reliability
Set up and use health probes
Set aside and restrict application compute capacity
Increase the size of applications to meet increased demand
Control Application Updates
Use tags and digests to identify images.
Revert failed deployments
Control image streams
To manage images, use triggers.
Controlling Authentication and Authorization
For authentication, configure the HTPasswd identity provider.
Users can be added and removed.
Change user passwords
Form and manage groups
Change the permissions of users and groups.
Setup Network Security
Set up networking components
Debug software-defined networking
Make and modify external routes
Ingress control for the cluster network
TLS certificates are used to secure both external and internal traffic.
Set up application network policies.
Make Developer Self-Service available.
Set up cluster resource quotas.
Set up project quotas
Set up the project's resource requirements.
Set project limit ranges.
Set up project templates
Control OpenShift Operators
Install a supervisor.
Remove an operator
Set up Application Security
Set up and manage service accounts
Run privileged programs
Make service accounts.
Using security context constraints, manage and apply permissions.
Create and use secrets to manage sensitive data.
Configure access to Kubernetes APIs for your application.
Setup Kubernetes CronJobs
OpenShift should be updated.
OpenShift cluster maintenance
Determine the use of deprecated Kubernetes APIs.
OpenShift Operators should be updated.
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