EX380 Prüfungsfrage & EX380 Originale Fragen

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RedHat EX380 Prüfungsplan:

ThemaEinzelheiten
Thema 1
  • Manage cluster monitoring and metrics: Covers troubleshooting application and cluster performance issues and managing alerts and notifications.
Thema 2
  • 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.
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.
Thema 4
  • 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 5
  • Configure and manage OpenShift Authentication and Identities: Covers integrating OpenShift with external identity providers like LDAP and Keycloak, managing RBAC, group synchronization, and kubeconfig-based authentication.
Thema 6
  • 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.

>> EX380 Prüfungsfrage <<

EX380 Originale Fragen & EX380 Testfagen

Vielleicht sorgen Sie darum, dassSie mit großem Fleiß die RedHat EX380 noch nicht bestehen, oder dass Sie kauft die Software, die eigentlich nicht für Sie geeignet ist. Die RedHat EX380 Prüfungssoftware von unserer Pass4 test können Ihre Sorgen lösen. Die erste Garantie ist die hohe Bestehensquote. Die zweite Garantie ist, wenn unsere Software für Sie wirklich nicht geeignet ist und Sie die RedHat EX380 Prüfung nicht bestehen, geben wir Ihnen die vollständigen Gebühren zurück. Deshalb machen Sie keine Sorge! Sie können sich nur unbesorgt auf die RedHat EX380 Prüfung vorbereiten. Wir ZertSoft sorgen für alle andere Sachen!

RedHat Red Hat Certified Specialist in OpenShift Automation and Integration EX380 Prüfungsfragen mit Lösungen (Q41-Q46):

41. Frage
Schedule a recurring backup
Task Information : Create a daily backup schedule for namespace orders at 01:00.

Antwort:

Begründung:
See the solution below in Explanation:
Explanation:
* Create the schedule
* velero schedule create orders-daily \
* --schedule "0 1 * * *" \
* --include-namespaces orders \
* --snapshot-volumes
* Cron format: minute hour day month weekday.
* Verify schedule exists
* velero schedule get
* Confirm backups are created by the schedule
* velero backup get | grep orders-daily
* Scheduled backups usually have names derived from the schedule.


42. Frage
Create and apply a MachineConfig (set MOTD on workers)
Task Information : Create a MachineConfig that writes /etc/motd on worker nodes.

Antwort:

Begründung:
See the solution below in Explanation:
Explanation:
* Create the MachineConfig YAML (example content encoded in base64)
* apiVersion: machineconfiguration.openshift.io/v1
* kind: MachineConfig
* metadata:
* name: 99-worker-motd
* labels:
* machineconfiguration.openshift.io/role: worker
* spec:
* config:
* ignition:
* version: 3.2.0
* storage:
* files:
* - path: /etc/motd
* mode: 0644
* contents:
* source: data:text/plain;charset=utf-8;base64,VGhpcyBpcyBhIHdvcmtlciBub2RlLg==
* MachineConfig uses Ignition format; file content is typically base64.
* Apply it
* oc apply -f 99-worker-motd.yaml
* Watch worker MachineConfigPool roll out
* oc get mcp worker
* MCP will show Updating then Updated.
* Validate on a worker node (if you have node access)
* Confirm /etc/motd contains the expected text.


43. Frage
Kubeconfig Management - Set Context in Kubeconfig

Antwort:

Begründung:
See the solution below in Explanation:
Explanation:
Step 1: Verify the cluster name, namespace, and user name that should be referenced.
The lab uses cluster api-ocp4-example-com:6443, namespace audit-ns, and user audit-sa.
Step 2: Run the command:
oc config set-context audit --cluster api-ocp4-example-com:6443 --namespace audit-ns --user audit-sa -- kubeconfig audit.config Step 3: Confirm context creation.
The lab output shows:
Context "audit" created.
Detailed explanation:
A kubeconfig context ties together three things: a cluster endpoint, a user identity, and optionally a default namespace. This Task creates a context named audit in the file audit.config. Contexts are useful because they simplify repeated administration by letting the user switch between prepared working environments instead of re-entering cluster and namespace details each time. The namespace portion is especially helpful for project- scoped operations, because commands run under that context default to the chosen namespace. Accuracy matters here: if the user name in the context does not match the credentials entry or the cluster name does not exist in the kubeconfig, the context will not function as intended.


44. Frage
Create and use client certificates with kubeconfig (CSR flow)
Task Information : Generate a client key/CSR for audit2, approve it, extract the signed cert, and build a kubeconfig using that cert.

Antwort:

Begründung:
See the solution below in Explanation:
Explanation:
* Generate private key and CSR
* openssl genrsa -out audit2.key 2048
* openssl req -new -key audit2.key -out audit2.csr -subj "/CN=audit2/O=auditors"
* CN becomes username; O can map to groups in some setups.
* Base64 encode CSR for the API object
* CSR=$(base64 -w0 audit2.csr)
* Kubernetes CSR object expects base64-encoded request data.
* Create the CSR object
* cat < < EOF | oc apply -f -
* apiVersion: certificates.k8s.io/v1
* kind: CertificateSigningRequest
* metadata:
* name: audit2-csr
* spec:
* request: ${CSR}
* signerName: kubernetes.io/kube-apiserver-client
* usages:
* - client auth
* EOF
* Approve the CSR
* oc adm certificate approve audit2-csr
* Approval triggers certificate issuance.
* Extract the signed certificate
* oc get csr audit2-csr -o jsonpath='{.status.certificate}' | base64 -d > audit2.crt
* Produces the client certificate file.
* Build kubeconfig using cert/key
* oc config set-credentials audit2 \
* --client-certificate=audit2.crt --client-key=audit2.key \
* --embed-certs=true --kubeconfig=audit2.kubeconfig
* oc config set-cluster lab \
* --server="$(oc whoami --show-server)" \
* --insecure-skip-tls-verify=true \
* --kubeconfig=audit2.kubeconfig
* oc config set-context audit2 \
* --cluster=lab --user=audit2 --namespace=default \
* --kubeconfig=audit2.kubeconfig
* Creates a kubeconfig that authenticates using client certificates.
* Test
* oc --kubeconfig=audit2.kubeconfig get ns


45. 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.


46. Frage
......

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EX380 Originale Fragen: https://www.zertsoft.com/EX380-pruefungsfragen.html