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The EX280 exam is a performance-based exam that is conducted in a live environment. Candidates must demonstrate their ability to complete the tasks within the time limit and with minimal errors. EX280 exam is designed to test the candidate's practical skills and knowledge, rather than their ability to memorize theoretical concepts. Passing the EX280 Exam and earning the Red Hat Certified Specialist in OpenShift Administration certification demonstrates that the candidate has the skills and knowledge required to manage an OpenShift cluster in a real-world environment.
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The EX280 Certification Exam is a performance-based exam that tests the candidate's ability to perform real-world tasks in a simulated environment. EX280 exam consists of a set of tasks that the candidate must complete within a specific timeframe. The tasks are designed to test the candidate's knowledge and skills in deploying applications, managing containers, configuring networking, and troubleshooting issues.
NEW QUESTION # 24
Install Helm Chart
Task information Details:
Add the Helm repository do280-repo and install the example-app release from the specified chart.
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
Solution:
* Add the repository:
helm
repo add do280-repo http://helm.ocp4.example.com/charts
* Refresh repositories:
helm repo update
* Install the chart:
helm install example-app do280-repo/etherpad
* Verify:
helm list
oc get all
Notes:
* The uploaded lab text appears to spell the chart name incorrectly as ehterpad.
* In practice, use the actual chart name published in the repo. If the lab repo truly contains the typo, follow the repo index result.
This task tests Helm repository management and application deployment.
NEW QUESTION # 25
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 .
Answer:
Explanation:
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.
NEW QUESTION # 26
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 # 27
Start a Probe in Project Start
Task information Details:
Add a Liveness Probe to the deployment in project start using the Web Console.
Answer:
Explanation:
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.
NEW QUESTION # 28
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.
Answer:
Explanation:
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.
NEW QUESTION # 29
......
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