Try RedHat : EX280 valid & accurate questions and answers
Updated: Nov 03, 2026
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RedHat EX280 Exam Overview:
| Certification Vendor: | Red Hat |
|---|---|
| Exam Name: | Red Hat Certified OpenShift Administrator Exam |
| Exam Number: | EX280 |
| Exam Format: | Scenario-based, Performance-based, Hands-on lab tasks |
| Exam Price: | $400 USD |
| Available Languages: | Simplified Chinese, Japanese, English, Korean |
| Related Certifications: | Red Hat Certified Architect (RHCA) Red Hat Certified System Administrator (RHCSA) |
| Exam Duration: | 180 minutes |
| Passing Score: | 210 out of 300 |
| Certificate Validity Period: | 3 years |
| Real Exam Qty: | 15-17 performance-based tasks |
| Recommended Training: | DO280 - OpenShift Administration II: Operating a Production Kubernetes Cluster DO180 - OpenShift Administration I: Containers & Kubernetes |
| Exam Registration: | Red Hat Certification Central |
| Sample Questions: | RedHat EX280 Sample Questions |
| Exam Way: | Online proctored or onsite at authorized test centers |
| Pre Condition: | Recommended: RHCSA certification; completion of DO180 and DO280 courses or equivalent experience; basic Linux administration skills |
| Official Syllabus URL: | https://www.redhat.com/en/services/training/red-hat-certified-openshift-administrator-exam |
Advantages of the RedHat EX280 Exam
The Red Hat Certified Specialist in OpenShift Administration exam provides a number of benefits:
Demonstrate Your Expertise. Demonstrate your expertise by earning a Red Hat certificate of achievement. To earn this Red Hat certification, you must pass the one-hour Red Hat OpenShift Specialist exam. Once certified, you can display the official statement on your resume or business card to show potential employers that you are familiar with Red Hat and its products. RedHat EX280 exam dumps will help you to pass your exam in your first attempt.
Improve Your Career Prospects. Earning a Red Hat certification can help enhance your career prospects and boost your earning potential by increasing the value of your resume and improving your skillet and marketability.
Earn Money. Red Hat offers a variety of career paths for certified professionals, including job opportunities in sales, marketing, consulting, and technical support. Enhance Your Credibility. A Red Hat certification can increase your credibility among employers. It demonstrates that you have the skills and expertise to handle complex technology issues.
Prepare for Future Certifications. Many IT specialists need these certifications as a prerequisite before they can sit for other exams, such as Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE).
Best way to pass the RedHat EX280 Certification
RedHat EX280 Practice test is a great way to pass the RedHat EX280 Certification. The RedHat EX280 certification is a highly sought-after certification and it is a requirement for most IT companies. The RedHat EX280 has become one of the most popular certifications in the IT industry. It has been around for over 20 years and is still being updated regularly with new updates, new questions and new topics.
If you are looking for a way to pass your RedHat EX280 Certification exam then I would highly recommend that you get a copy of our RedHat EX280 Dumps. These practice exams were designed by experts with years of experience studying for this exam and they will help you learn how to answer questions like the ones on the actual exam.
Reference: https://www.redhat.com/en/services/training/red-hat-certified-openshift-administrator-exam
RedHat EX280 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Manage Authentication and Authorization | 15% | - Manage users, groups and permissions
|
| Manage OpenShift Container Platform | 20% | - Work with container images
|
| Work with Kubernetes Resources | 25% | - Manage configuration data
|
| Configure Networking and Access | 15% | - Expose services externally
|
| Deploy and Manage Applications | 25% | - Manage application lifecycles
|
RedHat Red Hat Certified Specialist in OpenShift Administration Sample Questions:
Scale an application manually
Manually scale the minion application in the gru project to a total of 5 replicas.
Correct Answer:
See the solution below in Explanation.
Explanation:
Solution:
$ oc project gru
$ oc get pods
$ oc get all | grep deployment
$ oc scale --replicas=5 deployment.apps/minion
$ oc get pods
Manage Identity Provider
Task information Details:
Create the following HTPasswd users: bob, qwerty, john, armstrong, natasha, harry, susan .
Create a secret from the HTPasswd file in openshift-config .
Configure cluster OAuth to use the HTPasswd identity provider.
Restart the OAuth pods so the new authentication configuration takes effect.
Correct Answer:
See the solution below in Explanation.
Explanation:
Solution:
* Create the initial HTPasswd file with the first user:
htpasswd -c -B -b /tmp/htpass.txt bob indionce
* Add the remaining users:
htpasswd -b /tmp/htpass.txt qwerty catalog
htpasswd -b /tmp/htpass.txt john john123
htpasswd -b /tmp/htpass.txt armstrong natasha123
htpasswd -b /tmp/htpass.txt natasha arthstrong
htpasswd -b /tmp/htpass.txt harry harry123
htpasswd -b /tmp/htpass.txt susan susuan123
* Create the secret in openshift-config :
oc create secret generic ex280-secure --from-file=htpasswd=/tmp/htpass.txt -n openshift-config
* Edit OAuth and add the HTPasswd identity provider:
oc edit oauth cluster
* Use a valid structure like this:
spec:
identityProviders:
- name: ex280-idp-secure
mappingMethod: claim
type: HTPasswd
htpasswd:
fileData:
name: ex280-secure
* Save and exit.
* Restart OAuth pods:
oc delete pod -n openshift-authentication -l app=oauth-openshift
* Verify:
oc get pods -n openshift-authentication
oc get oauth cluster -o yaml
This task validates OpenShift local authentication configuration through HTPasswd and cluster OAuth integration.
Configure groups
Configure your OpenShift cluster to meet the following requirements: The user account armstrong is a member of the commander group The user account collins is a member of the pilot group The user account aldrin is a member of the pilot group Members of the commander group have edit permission in the apollo project Members of the pilot group have view permission in the apollo project
Correct Answer:
See the solution below in Explanation.
Explanation:
Solution:
$ oc adm groups new commander
$ oc adm groups new pilot
$ oc adm groups add-users commander armstrong
$ oc adm groups add-users pilot collins
$ oc adm groups add-users pilot aldrin
$ oc adm policy add-role-to-group edit commander -n apollo
$ oc adm policy add-role-to-group view pilot -n apollo
Create a PV and PVC
Task information Details:
Create a PersistentVolume named landing-pv with 1Gi , ReadOnlyMany , NFS backend, and Retain reclaim policy.
Create a PersistentVolumeClaim named landing-pvc requesting 1Gi , ReadOnlyMany , and storage class nfs2 .
Correct Answer:
See the solution below in Explanation.
Explanation:
Solution:
* Create landing-pv.yaml:
apiVersion: v1
kind: PersistentVolume
metadata:
name: landing-pv
spec:
capacity:
storage: 1Gi
accessModes:
- ReadOnlyMany
nfs:
path: /open001
server: 192.168.2.2
persistentVolumeReclaimPolicy: Retain
* Apply it:
oc apply -f landing-pv.yaml
* Create landing-pvc.yaml:
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: landing-pvc
spec:
accessModes:
- ReadOnlyMany
resources:
requests:
storage: 1Gi
storageClassName: nfs2
* Apply it:
oc apply -f landing-pvc.yaml
* Verify:
oc get pv
oc get pvc
oc describe pv landing-pv
oc describe pvc landing-pvc
This task validates persistent storage provisioning and claim binding concepts.
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