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| Certification Vendor: | Red Hat |
|---|---|
| Exam Name: | Red Hat Certified Specialist in OpenShift Administration exam |
| Exam Number: | EX280 |
| Exam Price: | USD 400 |
| Available Languages: | Japanese, English, Chinese |
| Certificate Validity Period: | 3 years |
| Real Exam Qty: | not publicly disclosed (performance-based hands-on lab) |
| Exam Duration: | 180 minutes |
| Exam Format: | Performance-based hands-on lab, Command-line interface, No multiple choice questions |
| Passing Score: | not publicly disclosed |
| Related Certifications: | Red Hat Certified Specialist in OpenShift Application Development Red Hat Certified Architect (RHCA) |
| Sample Questions: | ![]() |
| Exam Way: | In-person at Red Hat testing centers or online proctored exam |
| Pre Condition: | Recommended: Red Hat OpenShift Administration I (DO280) course or equivalent experience with containers, Kubernetes, and OpenShift |
| Official Syllabus URL: | https://www.redhat.com/en/services/certification/ex280 |
| Section | Objectives |
|---|---|
| Resource Management and Quotas | - Understand cluster resource management - Manage node selectors and tolerations - Configure resource quotas and limit ranges |
| Understand and Navigate OpenShift Architecture | - Navigate the web console and command-line interfaces - Describe the Red Hat OpenShift Container Platform architecture - Understand Kubernetes and OpenShift resource types - Manage users and authentication providers |
| Implement Security and Access Control | - Manage secrets and configMaps - Understand OpenShift security features - Implement network security policies - Manage security contexts and service accounts - Configure RBAC (Role-Based Access Control) |
| Configure and Manage Networking | - Configure network policies - Understand OpenShift networking model - Manage routes and ingress controllers - Troubleshoot network connectivity issues |
| Configure and Manage Storage | - Configure block and file storage - Provision and manage persistent storage - Understand storage classes and persistent volume claims |
| Deploy and Manage Applications | - Create and manage Deployments, Pods, and Services - Configure application routing and ingress - Implement labels, annotations, and selectors - Deploy applications using CLI and web console - Manage application builds and image streams |
| Monitor and Troubleshoot Clusters | - Troubleshoot common issues - Monitor cluster health and metrics - View and analyze cluster logs - Manage cluster updates and upgrades |
180 minutes, not publicly disclosed (performance-based hands-on lab) questions — that's your time budget. Rehearse it: the Exam4PDF online engine runs simulation tests with automatic settings, so pacing becomes trained, not lucky.
Files arrive first: our system emails your purchase within a minute of successful payment — unlimited installations, and 24/7 support if nothing shows up within 2 hours (check spam). Failure is covered too: take the corresponding EX280 exam within 60 days of purchase, and if you don't pass, submit a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam for a full refund, processed within 7 days. Exclusions: exams within 3 days of purchase, candidate names that don't match the payer, and free or expired products. You can also choose a free replacement — two other products of equal value.
Recommended: Red Hat OpenShift Administration I (DO280) course or equivalent experience with containers, Kubernetes, and OpenShift Eligibility rules change from time to time, so confirm the current requirements on the official page (official EX280 exam page) before booking.
The RedHat Red Hat Certified Specialist in OpenShift Administration blueprint spans 7 domains — including Configure and Manage Storage, Implement Security and Access Control, Resource Management and Quotas. The weightings are your study map: allocate hours where the points are. Every subtopic appears in the outline above.
USD 400 per attempt, not publicly disclosed to pass. Cost-effective preparation matters here: the 33 practice questions for the RedHat Red Hat Certified Specialist in OpenShift Administration cost a fraction of one retake.
Yes — download the free EX280 demo before buying and assess the quality and reliability yourself; it's the best way to avoid wasting money on bootless material. Purchases include 365 days of free updates, renewable later at half price.
The RedHat Red Hat Certified Specialist in OpenShift Administration is RedHat's certification exam for Red Hat Certified Architect (RHCA), at the Specialist level. Passing it demonstrates proficiency with specific technologies — a credential employers from small business to enterprise recognize. Related credentials include Red Hat Certified Specialist in OpenShift Application Development, Red Hat Certified Architect (RHCA).
Create Project Template
Task information Details:
Generate the bootstrap project template, create it in openshift-config , update the cluster project configuration to use the template, and create a new project to validate it.
Correct Answer:
See the solution below in Explanation.
Explanation:
Solution:
* Generate the default template:
oc adm create-bootstrap-project-template -o yaml > template.yaml
* Review and edit template.yaml if required.
* Create the template in openshift-config:
oc create -f template.yaml -n openshift-config
* Edit the cluster project configuration:
oc edit project.config.openshift.io/cluster
* Add or update:
spec:
projectRequestTemplate:
name: project-request
* Save and exit.
* Create a test project:
oc new-project test123
* Verify the template behavior:
oc get project test123 -o yaml
Notes:
* The uploaded lab text shows projects.config.openshift.io cluster-admin; the standard resource is project.
config.openshift.io/cluster.
This task checks cluster-wide customization of new-project creation behavior.
Configure project permissions
Configure your OpenShift cluster to meet the following requirements: The following projects exist:
apollo manhattan gemini bluebook titan
The user account armstrong is an administrator for project apollo and project gemini The user account wozniak can view project titan but not administer or delete it
Correct Answer:
See the solution below in Explanation.
Explanation:
Solution:
$ oc new-project apollo
$ oc new-project manhattan
$ oc new-project gemini
$ oc new-project bluebook
$ oc new-project titan
$ oc adm policy add-role-to-user admin armstrong -n apollo
$ oc adm policy add-role-to-user admin armstrong -n gemini
$ oc adm policy add-role-to-user view wozniak -n titan
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
Configure an identity provider
Configure your OpenShift cluster to use an HTPasswd identity provider with the following requirements:
The name of the identity provider is: ex280-htpasswd The name of the secret is: ex280-idp-secret The user account armstrong=indionce The user account collins=veraster The user account aldrin=roonkere The user account jobs=sestiver The user account wozniak=glegunge
Correct Answer:
See the solution below in Explanation.
Explanation:
Solution:
$ sudo yum install httpd-tools -y
$ htpasswd -c -B -b htpasswd-file-upload armstrong indionce
$ htpasswd -B -b htpasswd-file collins veraster
$ htpasswd -B -b htpasswd-file aldrin roonkere
$ htpasswd -B -b htpasswd-file jobs sestiver
$ htpasswd -B -b htpasswd-file wozniak glegunge
$ oc create secret generic ex280-idp-secret --from-file
htpasswd=htpasswd-file -n openshift-config
$ oc get oauth/cluster -o yaml > oauth.yaml
$ vim oauth.yaml
$
esc-- > type :set paste -- > enter -- > insert -- > then paste the content for correct indent pasting spec:
identityProviders:
- name: ex280-htpasswd mappingMethod: claim type: HTPasswd htpasswd:
fileData:
name: ex280-idp-secret
$ oc replace -f oauth.yaml
$ oc login -u armstrong -p indionce
$ oc login -u collins -p veraster
$ oc login -u aldrin roonkere
$ oc login -u jobs sestiver
$ oc login -u wozniak -p glegunge
#This below part of operation is completely optional and done just for handy login purpose
$ alias _kube="oc login -u kubeadmin -p ${kube_pass} ${api_url}"
$ alias _armstrong="oc login -u armstrong -p ${armstrong}
${api_url}"
$ alias _collins="oc login -u collins -p ${collins} ${api_url}"
$ alias _aldrin="oc login -u aldrin -p ${aldrin} ${api_url}"
$ alias _jobs="oc login -u jobs -p ${jobs} ${api_url}"
$ alias _wozniak="oc login -u wozniak -p ${wozniak} ${api_url}"
$ _armstrong;_armstrong;_collins;_aldrin;_jobs;_wozniak;
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