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| Section | Objectives |
|---|---|
| Deploy and Manage Applications | - Implement labels, annotations, and selectors - Configure application routing and ingress - Deploy applications using CLI and web console - Manage application builds and image streams - Create and manage Deployments, Pods, and Services |
| Implement Security and Access Control | - Manage security contexts and service accounts - Implement network security policies - Understand OpenShift security features - Manage secrets and configMaps - Configure RBAC (Role-Based Access Control) |
| Configure and Manage Networking | - Configure network policies - Understand OpenShift networking model - Troubleshoot network connectivity issues - Manage routes and ingress controllers |
| Monitor and Troubleshoot Clusters | - Manage cluster updates and upgrades - Monitor cluster health and metrics - Troubleshoot common issues - View and analyze cluster logs |
| Understand and Navigate OpenShift Architecture | - Describe the Red Hat OpenShift Container Platform architecture - Understand Kubernetes and OpenShift resource types - Navigate the web console and command-line interfaces - Manage users and authentication providers |
| Configure and Manage Storage | - Understand storage classes and persistent volume claims - Configure block and file storage - Provision and manage persistent storage |
| Resource Management and Quotas | - Manage node selectors and tolerations - Understand cluster resource management - Configure resource quotas and limit ranges |
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NEW QUESTION # 16
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 # 17
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 # 18
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 # 19
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 # 20
Scale Application Manually
Task information Details:
Scale the httpd deployment to 5 replicas .
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
Solution:
* Scale the deployment:
oc scale deployment httpd --replicas=5
* Verify:
oc get deployment httpd
oc get pods -l app=httpd
* Confirm the desired, current, and available replica counts match.
This task checks direct workload scaling using the OpenShift CLI.
NEW QUESTION # 21
......
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