100% Pass 2026 EX280: Latest Valid Red Hat Certified Specialist in OpenShift Administration exam Exam Papers

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RedHat EX280 Exam Syllabus Topics:

Section	Weight	Objectives
Manage OpenShift Container Platform	20%	- Manage and configure clusters via web console and CLI 1. Examine cluster status and resources 2. Create and delete projects 3. Monitor events, alerts and logs - Work with container images 1. Manage image streams and registries 2. Locate, identify and examine images
Configure Networking and Access	15%	- Troubleshoot software-defined networking - Expose services externally 1. Control ingress and network policies 2. Create and manage routes
Work with Kubernetes Resources	25%	- Query, filter and modify resource attributes 1. Import/export and configure manifests 2. Use labels, selectors and annotations - Manage configuration data 1. Create and use ConfigMaps 2. Create and use Secrets
Manage Authentication and Authorization	15%	- Manage users, groups and permissions 1. Assign roles and adjust access rights 2. Create/delete users and modify passwords - Configure identity providers 1. Set up HTPasswd and other providers
Deploy and Manage Applications	25%	- Manage application lifecycles 1. Update and rollback deployments 2. Manage replica sets and scaling - Deploy applications from multiple sources 1. Use YAML manifests, templates and Helm charts 2. Use Kustomize and overlays

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RedHat Red Hat Certified Specialist in OpenShift Administration exam Sample Questions (Q27-Q32):

NEW QUESTION # 27
Deploy Application in the Project QED
Task information Details:
Set the service account for the specified deployment in project qed to project1-sa .

Answer:

Explanation:
See the solution below in Explanation.
Explanation:
Solution:
* Ensure you are in the correct project:
oc project qed
* Set the service account on the deployment:
oc set serviceaccount deployment/gitlab-skdjfklj project1-sa
* Verify:
oc get deployment gitlab-skdjfklj -o yaml | grep serviceAccount
oc describe deployment gitlab-skdjfklj
* If required, restart rollout:
oc rollout restart deployment/gitlab-skdjfklj
This task checks workload identity assignment through service accounts.

NEW QUESTION # 28
Manage Cluster Project and Permission
Task information Details:
Create projects apollo , test , and demo .
Grant bob the cluster-admin role.
Prevent ordinary authenticated users from self-provisioning projects.
Allow john to create projects.
Give natasha view-only access to test and apollo .
Give armstrong admin access to apollo .
Remove the kubeadmin user secret.

Answer:

Explanation:
See the solution below in Explanation.
Explanation:
Solution:
* Create the projects:
oc new-project apollo
oc new-project test
oc new-project demo
* Grant cluster-admin to bob:
oc adm policy add-cluster-role-to-user cluster-admin bob
* Disable normal self-provisioning for authenticated users:
oc adm policy remove-cluster-role-from-group self-provisioner system:authenticated:oauth
* Allow john to self-provision:
oc adm policy add-cluster-role-to-user self-provisioner john
* Give natasha view access in test and apollo:
oc policy add-role-to-user view natasha -n test
oc policy add-role-to-user view natasha -n apollo
* Give armstrong admin in apollo:
oc policy add-role-to-user admin armstrong -n apollo
* Remove kubeadmin secret:
oc delete secret kubeadmin -n kube-system
* Verify permissions:
oc adm policy who-can create projectrequests
oc describe rolebinding.rbac -n apollo
oc describe rolebinding.rbac -n test
This task tests core OpenShift administration around project lifecycle control, cluster-level RBAC, and decommissioning default bootstrap credentials.

NEW QUESTION # 29
Configure a secret
Configure a secret in the math project with the following requirements: The name of the secret is: magic The secret defines a key with name: decoder_ring The secret defines the key with value:
XpWy9KdcP3Tr9FFHGQgZgVRCKukQdrQsbcl0c2ZYhDk=

Answer:

Explanation:
See the solution below in Explanation.
Explanation:
Solution:
$ oc project math
$ oc create secret generic magic --from-literal key=decoder_ring --from- literal value=XpWy9KdcP3Tr9FFHGQgZgVRCKukQdrQsbcl0c2ZYhDk=
$ oc get secret -n math

NEW QUESTION # 30
Configure quotas
Configure your OpenShift cluster to use quotas in the manhattan project with the following requirements:
The name of the ResourceQuota resource is: ex280-quota
The amount of memory consumed across all containers may not exceed 1Gi
The total amount of CPU usage consumed across all containers may not exceed
2 full cores
The maximum number of replication controllers does not exceed 3 The maximum number of pods does not exceed 3 The maximum number of services does not exceed 6

Answer:

Explanation:
See the solution below in Explanation.
Explanation:
Solution:
$ oc project manhattan
$ oc create quota ex280-quota -- hard=memory=1Gi,cpu=2,pods=3,services=6,replicationcontrollers=3
$ oc get resourcequota

NEW QUESTION # 31
Scale an application manually
Manually scale the minion application in the gru project to a total of 5 replicas.

Answer:

Explanation:
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

NEW QUESTION # 32
......

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