Latest 100% Free EX380–100% Free Latest Braindumps Questions | EX380 Reliable Test Objectives

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RedHat EX380 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Implement OpenShift GitOps: Covers deploying and configuring Argo CD with the GitOps operator to manage both cluster administration and application delivery through Git-based pipelines and integrations.
Topic 2
  • Manage workloads with cluster partitioning: Covers dedicating cluster nodes to specific workloads by configuring node pools, machine configurations, and special-purpose operators.
Topic 3
  • Manage workloads with pod scheduling: Covers controlling where pods run using taints, tolerations, labels, selectors, affinity rules, and pod disruption budgets to ensure workload placement and resiliency.
Topic 4
  • Back up and restore applications with OpenShift API for Data Protection (OADP): Covers deploying OADP, performing full application backups including data and resources, using volume snapshots, and scheduling and restoring backups.
Topic 5
  • Manage cluster monitoring and metrics: Covers troubleshooting application and cluster performance issues and managing alerts and notifications.
Topic 6
  • Provision and inspect cluster logging: Covers deploying and configuring OpenShift logging with Vector and Loki, forwarding logs externally, querying logs, and diagnosing logging issues.

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Pass Guaranteed Updated EX380 - Red Hat Certified Specialist in OpenShift Automation and Integration Latest Braindumps Questions

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RedHat Red Hat Certified Specialist in OpenShift Automation and Integration Sample Questions (Q34-Q39):

NEW QUESTION # 34
Backup and Restore - Restore Application from Existing Backup

Answer:

Explanation:
See the solution below in Explanation:
Explanation:
Step 1: Make sure Velero is installed and configured in the environment.
The Task SIMULATION assumes an existing backup named backup-app-daily is already present.
Step 2: Run the restore command:
velero restore create --from-backup backup-app-daily
Step 3: Confirm the restore request is submitted.
The lab output shows:
Restore request "backup-app-daily-2024" submitted successfully.
Detailed explanation:
This command instructs Velero to create a restore operation using the existing backup called backup-app- daily. Velero is commonly used to protect Kubernetes and OpenShift resources by backing up object definitions and, when configured, persistent data integrations. The command does not manually recreate resources one by one; instead, it leverages the metadata captured during backup. A successful restore submission means the request has been accepted, not necessarily that every object has already been fully restored. In practical administration, you would often follow this by checking restore status and validating the application namespace, pods, services, routes, and storage bindings. This lab Task SIMULATION focuses specifically on initiating the restore from the named backup source.


NEW QUESTION # 35
GitOps and MachineConfig - Trigger Argo CD Synchronization by Repository Update

Answer:

Explanation:
See the solution below in Explanation:
Explanation:
Step 1: Confirm that the repository being pushed to is the same repository watched by the GitOps/Argo CD application.
This linkage is essential because GitOps acts only on configured source repositories and paths.
Step 2: Commit the MachineConfig changes.
The lab uses:
git commit -am "Add MachineConfig for motd"
Step 3: Push the changes to the tracked branch.
The lab uses:
git push origin main
Step 4: Allow Argo CD to detect the repository change and begin synchronization.
In a standard GitOps model, the controller compares the Git repository to the cluster state and applies drift correction or new desired resources.
Detailed explanation:
This sub Task SIMULATION is the operational purpose behind the previous Git command Task SIMULATION . The point is not merely to store a file in Git; it is to update the declarative source that Argo CD uses to reconcile the cluster. Once the repository is updated, Argo CD detects the new commit and syncs the MachineConfig into the cluster according to its application definition. This demonstrates a core automation principle in OpenShift GitOps: administrators do not treat the cluster as the primary editable surface. Instead, they modify Git and let the automation layer enforce state. That provides traceability, peer review potential, rollback capability, and consistency across environments.


NEW QUESTION # 36
Configure resiliency using a PodDisruptionBudget
Task Information : Ensure at least 2 replicas of payments/api remain available during voluntary disruptions.

Answer:

Explanation:
See the solution below in Explanation:
Explanation:
* Create PDB
* cat < < EOF | oc -n payments apply -f -
* apiVersion: policy/v1
* kind: PodDisruptionBudget
* metadata:
* name: api-pdb
* spec:
* minAvailable: 2
* selector:
* matchLabels:
* app: api
* EOF
* minAvailable: 2 blocks evictions that would reduce availability below 2.
* Verify PDB
* oc -n payments get pdb
* oc -n payments describe pdb api-pdb


NEW QUESTION # 37
Silence an alert in Alertmanager
Task Information : Create an Alertmanager silence for a noisy alert for 2 hours, then confirm it's silenced.

Answer:

Explanation:
See the solution below in Explanation:
Explanation:
* Find the alert name and labels
* Web console: Observe # Alerts # click the alert to view label set.
* Open Alertmanager silences
* Observe # Alerting # Alertmanager # Silences # Create silence
* Explanation: Silences mute alerts matching label filters.
* Create the silence
* Add matcher: alertname = < ALERT_NAME >
* Duration: 2 hours
* Save.
* Verify the alert shows as silenced
* The alert should indicate it is silenced in the UI.


NEW QUESTION # 38
Add tolerations to a deployment
Task Information : Update payments/api deployment to tolerate dedicated=payments:NoSchedule.

Answer:

Explanation:
See the solution below in Explanation:
Explanation:
* Patch deployment with toleration
* oc -n payments patch deploy api --type=merge -p '{
* "spec":{"template":{"spec":{"tolerations":[
* {"key":"dedicated","operator":"Equal","value":"payments","effect":"NoSchedule"}
* ]}}}
* }'
* Toleration allows pods to schedule onto tainted nodes.
* Verify scheduling
* oc -n payments get pods -o wide


NEW QUESTION # 39
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