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| Section | Objectives |
|---|---|
| Topic 1: Deploy and Manage Applications | - Implement labels, annotations, and selectors - Deploy applications using CLI and web console - Configure application routing and ingress - Create and manage Deployments, Pods, and Services - Manage application builds and image streams |
| Topic 2: Implement Security and Access Control | - Understand OpenShift security features - Implement network security policies - Manage security contexts and service accounts - Configure RBAC (Role-Based Access Control) - Manage secrets and configMaps |
| Topic 3: Monitor and Troubleshoot Clusters | - Manage cluster updates and upgrades - View and analyze cluster logs - Troubleshoot common issues - Monitor cluster health and metrics |
| Topic 4: Understand and Navigate OpenShift Architecture | - Describe the Red Hat OpenShift Container Platform architecture - Understand Kubernetes and OpenShift resource types - Manage users and authentication providers - Navigate the web console and command-line interfaces |
| Topic 5: Configure and Manage Storage | - Understand storage classes and persistent volume claims - Configure block and file storage - Provision and manage persistent storage |
| Topic 6: Configure and Manage Networking | - Understand OpenShift networking model - Manage routes and ingress controllers - Configure network policies - Troubleshoot network connectivity issues |
| Topic 7: Resource Management and Quotas | - Manage node selectors and tolerations - Configure resource quotas and limit ranges - Understand cluster resource management |
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NEW QUESTION # 16
Configure an application to use a secret
Configure the application called qed in the math project with the following requirements:
The application uses the secret previously created called: magic The secret defines an environment variable with name: DECODER_RING The application output no longer displays: Sorry, application is not configured correctly.
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
Solution:
$ oc get all | grep deploy
$ oc set env --from=secret/magic deployment.apps/qed
NEW QUESTION # 17
Configure a service account
Configure a service account in the apples project to meet the following requirements:
The name of the account is ex280sa
The account allows pods to be run as any available user
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
Solution:
$ oc project apples
$ oc create sa ex280sa
$ oc adm policy add-scc-to-user anyuid -z ex280sa
NEW QUESTION # 18
Scale an application automatically
Automatically scale the hydra application deployment configuration in the lerna project with the following requirements:
Minimum number of replicas: 6 Maximum number of replicas: 9
Target average CPU utilization: 60 percent Container CPU resource request: 25m Container CPU resource limit: 100m
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
Solution:
$ oc project lerna
$ oc get pods
$ oc get all | grep deployment
$ oc autoscale deployment.apps/hydra --max=9 --min=6 --cpu-percent=60
$ oc get hpa
$ oc set resources deployment.apps/hydra --limits=cpu=100m -- requests=cpu=25m
$ oc describe deployment.apps/hydra | grep Limits -A3
NEW QUESTION # 19
Configure cluster permissions
Configure your OpenShift cluster to meet the following requirements: The user account jobs can perform cluster administration tasks The user account wozniak can create projects The user account wozniak cannot perform cluster administration tasks The user account armstrong cannot create projects The user account kubeadmin is not present
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
Solution:
$ oc adm policy add-cluster-role-to-user cluster-admin jobs
$ oc adm policy remove-cluster-role-from-group self-provisioner
system:authenticated:oauth
$ oc adm policy add-cluster-role-to-user self-provisioner wozniak
$ oc delete secret kubeadmin -n kube-system
NEW QUESTION # 20
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 # 21
......
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