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| Certification Vendor: | Red Hat |
|---|---|
| Exam Name: | Red Hat Certified Specialist in OpenShift Automation and Integration (EX380) |
| Exam Number: | EX380 |
| Related Certifications: | Red Hat Certified Specialist in OpenShift Administration Red Hat Certified System Administrator (RHCSA) Red Hat Certified Engineer (RHCE) |
| Exam Format: | Performance-based lab exam, Hands-on practical tasks in OpenShift and automation environments |
| Exam Price: | USD 400 (varies by region) |
| Available Languages: | English |
| Exam Duration: | 240 minutes |
| Certificate Validity Period: | 3 years |
| Passing Score: | Pass/Fail (performance-based scoring by Red Hat; exact numeric score not publicly disclosed) |
| Real Exam Qty: | Performance-based exam (typically 1–3 hands-on tasks) |
| Recommended Training: | Red Hat Ansible Automation Platform training Red Hat OpenShift Administration courses |
| Exam Registration: | Red Hat Certification Catalog Red Hat Training and Exams |
| Sample Questions: | RedHat EX380 Sample Questions |
| Exam Way: | Online remote exam or onsite testing center (performance-based lab environment) |
| Pre Condition: | No strict prerequisites; RHCSA or equivalent experience with Linux, containers, OpenShift, and Ansible strongly recommended. |
| Official Syllabus URL: | https://www.redhat.com/en/services/certification |
Die zielgerichteten Prüfungsfragen und Antworten zur RedHat EX380 Zertifizierungsprüfung von Zertpruefung sind sehr beliebt. Mit den Materialien von Zertpruefung können Sie nicht nur neue Kenntnisse und Erfahrungen gewinnen, sondern sich auch genügend auf die Prüfung vorbereiten. Obwohl die RedHat EX380 Zertifizierungsprüfung schwer ist, würden Sie mehr Selbewusstsein für die Prüfung haben, nachdem Sie diese Fragenkataloge gekauft haben. Wählen Sie die effizienten Fragenkataloge von Zertpruefung ganz beruhigt, um sich genügend auf die RedHat EX380 (Red Hat Certified Specialist in OpenShift Automation and Integration) Zertifizierungsprüfung vorzubereiten.
| Thema | Einzelheiten |
|---|---|
| Thema 1 |
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| Thema 2 |
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| Thema 3 |
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24. 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
25. Frage
Configure RBAC roles with users and groups
Task Information : Grant edit to group dev-team in namespace payments, and grant view to user auditor1.
Antwort:
Begründung:
See the solution below in Explanation:
Explanation:
* Create (or switch to) the project
* oc new-project payments
* Namespace must exist before applying rolebindings.
* Grant edit to the group
* oc -n payments policy add-role-to-group edit dev-team
* Members of dev-team can modify most resources in payments.
* Grant view to a user
* oc -n payments policy add-role-to-user view auditor1
* auditor1 can read resources but not change them.
* Verify rolebindings
* oc -n payments get rolebinding
26. 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
27. Frage
Configure log forwarding to an external endpoint
Task Information : Configure Cluster Logging to forward application logs to an external output using ClusterLogForwarder.
Antwort:
Begründung:
See the solution below in Explanation:
Explanation:
* Verify logging namespace and resources
* oc get ns openshift-logging
* oc -n openshift-logging get clusterlogforwarder
* ClusterLogForwarder configures pipelines and outputs.
* Create/Edit ClusterLogForwarder (example structure)
* Define an output (external system) and pipeline selecting application logs.
* Apply via YAML:
* oc -n openshift-logging apply -f clusterlogforwarder.yaml
* Validate collector pods are healthy
* oc -n openshift-logging get pods
* Forwarding relies on collectors (vector/fluentd depending config).
* Generate a test log line
* oc -n openshift-logging run logger --image=busybox --restart=Never -- /bin/sh -c 'echo hello- forwarding; sleep 5'
* This creates a known message to search in the external endpoint.
* Confirm logs arrive at destination
* Use your external system's query/search to confirm hello-forwarding.
28. Frage
Kubeconfig Management - Use Context
Antwort:
Begründung:
See the solution below in Explanation:
Explanation:
Step 1: Make sure the context already exists in the kubeconfig file.
This follows the context creation Task SIMULATION .
Step 2: Run the command:
oc config use-context audit --kubeconfig audit.config
Step 3: Confirm the active context switches successfully.
The lab output shows:
Switched to context "audit".
Detailed explanation:
This command activates the audit context inside the specified kubeconfig file. Once selected, subsequent oc commands using that kubeconfig will default to the cluster, user, and namespace associated with that context.
This is operationally important because many administration mistakes come from running commands against the wrong cluster or project. Using explicit context switching reduces that risk and makes the kubeconfig usable for the intended audit workflow. In exams and real environments alike, the context is what turns separate kubeconfig elements into a working session configuration. Without switching to the correct context, even a well-formed kubeconfig may not be used as expected.
29. Frage
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