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This is a RedHat EX280 practice exam software for Windows computers. This EX280 practice test will be similar to the actual Red Hat Certified Specialist in OpenShift Administration exam (EX280) exam. If user wish to test the RedHat EX280 study material before joining RealVCE, they may do so with a free sample trial. This EX280 Exam simulation software can be readily installed on Windows-based computers and laptops. Since it is desktop-based RedHat EX280 practice exam software, it is not necessary to connect to the internet to use it.
| Section | Objectives |
|---|---|
| Deploy and Manage Applications | - Implement labels, annotations, and selectors - Create and manage Deployments, Pods, and Services - Configure application routing and ingress - Deploy applications using CLI and web console - Manage application builds and image streams |
| Resource Management and Quotas | - Manage node selectors and tolerations - Configure resource quotas and limit ranges - Understand cluster resource management |
| Configure and Manage Storage | - Configure block and file storage - Understand storage classes and persistent volume claims - Provision and manage persistent storage |
| Monitor and Troubleshoot Clusters | - Manage cluster updates and upgrades - Troubleshoot common issues - View and analyze cluster logs - Monitor cluster health and metrics |
| Implement Security and Access Control | - Implement network security policies - Configure RBAC (Role-Based Access Control) - Understand OpenShift security features - Manage secrets and configMaps - Manage security contexts and service accounts |
| Configure and Manage Networking | - Understand OpenShift networking model - Configure network policies - Manage routes and ingress controllers - Troubleshoot network connectivity issues |
| Understand and Navigate OpenShift Architecture | - Understand Kubernetes and OpenShift resource types - Describe the Red Hat OpenShift Container Platform architecture - Navigate the web console and command-line interfaces - Manage users and authentication providers |
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NEW QUESTION # 31
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 # 32
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 # 33
Create Network Policy
Task information Details:
Create a NetworkPolicy named mysql-db-conn that permits ingress to database pods only from pods matching the specified labels in namespaces labeled team=devsecops , on TCP port 3306 .
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
Solution:
* Create a file named mysql-db-conn.yaml:
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
name: mysql-db-conn
spec:
podSelector:
matchLabels:
networking.k8s.io/v1/network: database
policyTypes:
- Ingress
ingress:
- from:
- namespaceSelector:
matchLabels:
team: devsecops
podSelector:
matchLabels:
deployment: my-web-mysql
ports:
- protocol: TCP
port: 3306
* Apply it:
oc apply -f mysql-db-conn.yaml
* Verify:
oc get networkpolicy
oc describe networkpolicy mysql-db-conn
This task tests namespace/pod label selection and application isolation using OpenShift networking policy controls.
NEW QUESTION # 34
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 # 35
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 # 36
......
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