Choose the version that matches your habits: the RedHat Red Hat Certified Specialist in OpenShift Administration package from TestsDumps comes as a printable PDF for paper learners, a timed Windows software engine for realistic simulation, and an online APP version for every electronic device. All carry the same EX280 questions.
RedHat EX280 Exam Overview:
| Certification Vendor: | Red Hat |
|---|---|
| Exam Name: | Red Hat Certified Specialist in OpenShift Administration Exam (EX280) |
| Exam Number: | EX280 |
| Real Exam Qty: | Performance-based (no fixed number of questions) |
| Exam Duration: | 150 minutes |
| Related Certifications: | Red Hat Certified Specialist in Containers and Kubernetes Red Hat Certified System Administrator (RHCSA) Red Hat Certified Engineer (RHCE) |
| Exam Price: | USD 400 (varies by region) |
| Passing Score: | 210/300 |
| Available Languages: | English |
| Exam Format: | Performance-based lab exam |
| Certificate Validity Period: | 3 years |
| Recommended Training: | DO180 - Introduction to Kubernetes and OpenShift DO280 - Red Hat OpenShift Administration II: Operating a Production Kubernetes Cluster |
| Exam Registration: | Red Hat Certification Catalog EX280 Exam Page |
| Sample Questions: |  |
| Exam Way: | Online or onsite performance-based exam in a live OpenShift environment |
| Pre Condition: | Recommended experience with Linux administration and Kubernetes/OpenShift fundamentals (RHCSA or equivalent knowledge recommended) |
| Official Syllabus URL: | https://www.redhat.com/en/services/certification/ex280-red-hat-certified-specialist-openshift-administration |
RedHat EX280 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: OpenShift Cluster Installation and Configuration | - Cluster setup and installation verification
|
| Topic 2: Networking and Ingress | - Cluster networking
|
| Topic 3: Storage and Persistence | - Persistent storage configuration
|
| Topic 4: Cluster Administration | - User and role management
|
| Topic 5: Security and Troubleshooting | - Security management
|
EX280 Exam FAQ: Reduce Your Risk, Read This First
RedHat Red Hat Certified Specialist in OpenShift Administration is an official Red Hat exam, identified by exam code EX280. Passing it earns the Red Hat Certified Specialist in OpenShift Administration certification at the Professional level. It also relates to Red Hat Certified Engineer (RHCE), Red Hat Certified System Administrator (RHCSA), Red Hat Certified Specialist in Containers and Kubernetes. Certifications like this one remain a reliable route to standing out: they prove ability in a way resumes alone cannot.
The RedHat Red Hat Certified Specialist in OpenShift Administration exam contains Performance-based (no fixed number of questions) questions to complete within 150 minutes. The candidates who run out of time are usually the ones who never practiced against a clock. The TestsDumps software engine lets you limit your test time exactly like the real exam, exposing pacing weaknesses while they are still free to fix.
You need 210/300 to pass RedHat Red Hat Certified Specialist in OpenShift Administration, and the official registration fee is USD 400 (varies by region). Retakes charge the full USD 400 (varies by region) again, which makes failing a genuinely expensive outcome. Reduce that risk the rational way: practice with the TestsDumps questions until your scores sit consistently above the requirement, then book.
Recommended experience with Linux administration and Kubernetes/OpenShift fundamentals (RHCSA or equivalent knowledge recommended)
Vendor requirements change from time to time, so verify the current conditions before registering via the official exam page.
Registration for RedHat Red Hat Certified Specialist in OpenShift Administration runs through the official channels below.
One practical note: the exam is delivered Online or onsite performance-based exam in a live OpenShift environment.
Red Hat recommends the following training for RedHat Red Hat Certified Specialist in OpenShift Administration candidates.
- DO280 - Red Hat OpenShift Administration II: Operating a Production Kubernetes Cluster
- DO180 - Introduction to Kubernetes and OpenShift
Whatever training you take, anchor it with the 33 practice questions in the TestsDumps EX280 package, each with a detailed explanation that turns every mistake into a lesson.
Yes. You can download the free demo of the RedHat Red Hat Certified Specialist in OpenShift Administration questions before you buy, and after purchase you have the right to one year of free updates. When your product expires, extending the update service costs 50% of the regular price. Three versions, PDF, software, and online APP, let you study the way that suits you.
A 100% money-back guarantee protects you under clear conditions. Take the RedHat Red Hat Certified Specialist in OpenShift Administration exam within 60 days of purchase; if you fail, you can claim a full refund, provided the exam matches your product. Attempts within 3 days of purchase are ineligible, as are downloaded-but-unused products, free materials, and expired orders; the candidate name must match the payer name. Submit a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and claims are processed within 7 days. Alternatively, exchange for two other exam products of equal value, free, while keeping the update service on your original purchase.
Delivery is instant: files unlock for download at payment and are automatically emailed within one minute. If nothing arrives within 2 hours, check spam and contact customer service, available 24/7. Installation is unlimited across your computers.
The RedHat Red Hat Certified Specialist in OpenShift Administration syllabus divides into 5 domains. The leading areas are Cluster Administration, Networking and Ingress, and Security and Troubleshooting. The complete outline is published above; knowing your shortcomings starts with knowing the syllabus.
RedHat Red Hat Certified Specialist in OpenShift Administration Sample Questions:
Configure a secure route
Configure the oxcart application in the area51 project with the following requirements:
The application uses a route called oxcart
The application uses a CA signed certificate with the following subject fields:
/C=US/ST=NV/L=Hiko/O=CIA/OU=USAF/CN=classified.apps.domainxx.example.com The application is reachable only at the following address: https://classified.apps.domainxx.example.com The application produces output A utility script called newcert has been provided to create the CA signed certificate. You may enter the certificate parameters manually or pass the subject as a parameter.
Your certificate signing request will be uploaded to the CA where it will immediately be signed and then downloaded to your current directory.
Correct Answer:
See the solution below in Explanation.
Explanation:
Solution:
$ oc project area51
$ oc get pods
$ oc get all | grep deployment
$ oc get route
$ oc delete route oxcart
$ openssl genrsa -out ex280.key 2048
$ openssl req -new -key ex280.key -out ex280.csr -subj "/C=US/ST=NV/L=Hiko/O=CIA/OU=USAF
/CN=classified.apps.domainxx.example.com"
$ openssl x509 -req -in ex280.csr -signkey ex280.key -out ex280.crt
$ oc create route edge oxcart --service oxcart --key ex280.key --cert ex280.crt --hostname classified.apps.
domainxx.example.com
$ oc get route
$ oc get svc
Start a Probe in Project Start
Task information Details:
Add a Liveness Probe to the deployment in project start using the Web Console.
Correct Answer:
See the solution below in Explanation.
Explanation:
Solution:
* Open the Web Console.
* Switch to project start .
* Navigate to: Workloads # Deployments
* Select the target deployment.
* Click the action menu and choose: Add Health Checks
* Select Liveness Probe .
* Configure the appropriate probe type:
* HTTP
* TCP
* or Command
* Enter the required endpoint or command based on the application.
* Save the configuration.
* Verify the deployment updates successfully and the pod status remains healthy.
CLI alternative if needed:
oc set probe deployment/ < deployment-name >
--liveness --get-url=http://:8080/ --initial-delay-seconds=10
This task measures health-check configuration for workload self-recovery.
Use Secret in Monday Project
Task information Details:
Use the secret created earlier as environment variables in deployment monday .
Correct Answer:
See the solution below in Explanation.
Explanation:
Solution:
* Switch to the correct project if needed:
oc project monday
* Inject environment variables from the secret:
oc set env deployment/monday --from=secret/magic
* Verify:
oc set env deployment/monday --list
oc describe deployment monday
Notes:
* The uploaded lab references secret/file-secret, but Task 8 clearly intends the secret to be named magic .
* In a real exam, match the actual secret name present in the cluster.
This task tests secret consumption by workloads through environment variable injection.
Scale an application automatically
Automatically scale the hydra application deployment configuration in the lerna project with the following requirements:
Minimum number of replicas: 6 Maximum number of replicas: 9
Target average CPU utilization: 60 percent Container CPU resource request: 25m Container CPU resource limit: 100m
Correct Answer:
See the solution below in Explanation.
Explanation:
Solution:
$ oc project lerna
$ oc get pods
$ oc get all | grep deployment
$ oc autoscale deployment.apps/hydra --max=9 --min=6 --cpu-percent=60
$ oc get hpa
$ oc set resources deployment.apps/hydra --limits=cpu=100m -- requests=cpu=25m
$ oc describe deployment.apps/hydra | grep Limits -A3
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Aaron 
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