EX380 Deutsche Prüfungsfragen - EX380 Unterlage

Durch RedHat EX380 Zertifizierungsprüfung wird sich viel Wandel bei Ihnen vollziehen. Beispielsweise werden Ihr Beruf und Leben sicher viel verbessert, weil die RedHat EX380 Zertifizierungsprüfung sowieso eine ziemlich wichtige Prüfung ist. Aber so einfach ist es nicht, diese Prüfung zu bestehen.

RedHat EX380 Prüfungsplan:

ThemaEinzelheiten
Thema 1
  • Manage workloads with cluster partitioning: Covers dedicating cluster nodes to specific workloads by configuring node pools, machine configurations, and special-purpose operators.
Thema 2
  • Provision and inspect cluster logging: Covers deploying and configuring OpenShift logging with Vector and Loki, forwarding logs externally, querying logs, and diagnosing logging issues.
Thema 3
  • 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.

>> EX380 Deutsche Prüfungsfragen <<

EX380 Prüfungsfragen, EX380 Fragen und Antworten, Red Hat Certified Specialist in OpenShift Automation and Integration

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RedHat Red Hat Certified Specialist in OpenShift Automation and Integration EX380 Prüfungsfragen mit Lösungen (Q32-Q37):

32. Frage
Create a full application backup (resources + PV data)
Task Information : Create a Velero backup of namespace orders including PV snapshots.

Antwort:

Begründung:
See the solution below in Explanation:
Explanation:
* Confirm resources and PVCs exist
* oc -n orders get all
* oc -n orders get pvc
* Ensures there is something meaningful to back up.
* Create backup including volume snapshots
* velero backup create orders-full --include-namespaces orders --snapshot-volumes
* Captures Kubernetes objects and requests PV snapshots where supported.
* Check status/details
* velero backup describe orders-full --details
* velero backup logs orders-full
* Review warnings/errors and confirm snapshot actions.


33. Frage
Configure BackupStorageLocation and VolumeSnapshotLocation
Task Information : Configure OADP/Velero storage locations and confirm they show as Available.

Antwort:

Begründung:
See the solution below in Explanation:
Explanation:
* Create a secret for cloud credentials (S3-compatible example)
* oc -n openshift-adp create secret generic cloud-credentials \
* --from-file=cloud=/path/to/credentials
* Velero uses this secret to authenticate to object storage.
* Create/Update the DataProtectionApplication (DPA)
* Apply a DPA CR that defines:
* backupLocations (bucket, endpoint URL, region, etc.)
* snapshotLocations (if using snapshots)
* Verify BackupStorageLocation and SnapshotLocation
* velero backup-location get
* velero snapshot-location get
* Status should be Available, meaning storage config is valid.
==========


34. Frage
Deploy Event Router and capture Kubernetes events in logging
Task Information : Deploy an event router so Kubernetes events are recorded as logs, then trigger events and confirm they appear in logging queries.

Antwort:

Begründung:
See the solution below in Explanation:
* Deploy event router resources
* Apply a deployment/serviceaccount/rolebinding manifest for eventrouter:
* oc apply -f eventrouter.yaml -n openshift-logging
* Eventrouter watches event API and writes them to stdout (collected by logging).
* Verify eventrouter pod is running
* oc -n openshift-logging get pods | grep -i event
* Trigger some events
* oc -n default run evtest --image=busybox --restart=Never -- sleep 1
* oc -n default delete pod evtest
* Creation/deletion generates events.
* Query logs for events
* In the logging UI/backend, search for the namespace/pod name evtest or eventrouter messages.
* Explanation: Validates that events are being converted to searchable logs.


35. Frage
Export and import container images (mirror to internal registry)
Task Information : Pull an image from an external registry, push it into the OpenShift internal registry, and update a deployment to use the mirrored image.

Antwort:

Begründung:
See the solution below in Explanation:
Explanation:
* Log in to OpenShift internal registry
* oc registry login
* Allows podman to push to the internal registry.
* Pull external image
* podman pull docker.io/library/nginx:1.25
* Gets the image locally.
* Tag for internal registry destination
* podman tag nginx:1.25 image-registry.openshift-image-registry.svc:5000/orders/nginx:1.25
* Uses the cluster service DNS name (works inside cluster network).
* Push to internal registry
* podman push image-registry.openshift-image-registry.svc:5000/orders/nginx:1.25
* Update deployment to use internal image
* oc -n orders set image deploy/web web=image-registry.openshift-image-registry.svc:5000/orders/nginx:
1.25
* Verify rollout
* oc -n orders rollout status deploy/web
* oc -n orders get pods -o wide


36. Frage
Backup and Restore - Fix SCC for Restored Application

Antwort:

Begründung:
See the solution below in Explanation:
Explanation:
Step 1: Identify the application namespace after restore.
The lab shows the namespace as my-app-namespace.
Step 2: Run the SCC assignment command:
oc adm policy add-scc-to-user anyuid -z default -n my-app-namespace
Step 3: Confirm the role binding is applied.
The lab output shows:
clusterrole.rbac.authorization.k8s.io/system:openshift:scc:anyuid added: "default" Detailed explanation:
After a restore, the application may fail if its pods require a security context not permitted by the default SCC allocation. This command grants the anyuid SCC to the default service account in the my-app-namespace project. The -z default syntax targets the default service account, which many restored workloads use if no custom service account is defined. The anyuid SCC allows containers to run with arbitrary user IDs, which some legacy or prebuilt images require. In OpenShift, SCC mismatches commonly cause pods to remain in pending or crash-related states. Assigning the proper SCC resolves those admission issues so workloads can start successfully. This step is therefore a post-restore operational fix to align security policy with application requirements.


37. Frage
......

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EX380 Unterlage: https://www.examfragen.de/EX380-pruefung-fragen.html