Echte EX380 Fragen und Antworten der EX380 Zertifizierungsprüfung

Auf unterschiedliche Art und Weise kann man verschiedene Zwecke erfüllen. Was wichtig ist, dass man welchen Weg einschlägt. Viele Leute beteiligen sich an der RedHat EX380 Zertifizierungsprüfung, um seine Lebens-und Arbeitsumstände zu verbessern. Wie alle wissen, dass es nicht so leicht ist, die RedHat EX380 (Red Hat Certified Specialist in OpenShift Automation and Integration) Zertifizierungsprüfung zu bestehen. Für die Prüfung verwendet man viel Energie und Zeit. Traurigerweise haben sie die RedHat EX380 Prüfung noch nicht bestanden.

RedHat EX380 Prüfungsplan:

ThemaEinzelheiten
Thema 1
  • 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.
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
  • 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 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.

>> EX380 Prüfungsübungen <<

EX380 Übungsmaterialien & EX380 Lernführung: Red Hat Certified Specialist in OpenShift Automation and Integration & EX380 Lernguide

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RedHat Red Hat Certified Specialist in OpenShift Automation and Integration EX380 Prüfungsfragen mit Lösungen (Q42-Q47):

42. 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.


43. 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


44. Frage
Kubeconfig Management - Set Credentials in Kubeconfig

Antwort:

Begründung:
See the solution below in Explanation:
Explanation:
Step 1: Ensure the client certificate and private key files are available.
The lab uses audit.crt and tls.key.
Step 2: Run the command:
oc config set-credentials audit --client-certificate audit.crt --client-key tls.key --embed-certs --kubeconfig audit.config Step 3: Confirm the user entry is written.
The lab output shows:
User "audit" set.
Detailed explanation:
This command creates or updates the audit user entry inside the kubeconfig file audit.config. It points the user to a client certificate and private key, and the --embed-certs option stores certificate material directly inside the kubeconfig rather than only referencing external files. That makes the kubeconfig more portable because it can be moved and used without separately copying the certificate files, provided the embedded content is valid. In certificate-based authentication, the private key proves client possession while the certificate presents the approved identity. If the certificate and key do not match, authentication will fail. This step does not yet define what cluster or namespace the user works against; it only defines the credential identity.


45. Frage
Add a second Identity Provider (HTPasswd) alongside LDAP
Task Information : Configure multiple identity providers by adding an HTPasswd IDP without removing the existing LDAP IDP.

Antwort:

Begründung:
See the solution below in Explanation:
Explanation:
* Create a local htpasswd file with a test user
* htpasswd -c -B -b /tmp/htpass.txt testuser RedHat123!
* -c creates a new file (use only once).
* -B uses bcrypt hashing (recommended).
* -b supplies password non-interactively (good for labs).
* Create the HTPasswd secret in openshift-config
* oc -n openshift-config create secret generic htpass-secret --from-file=htpasswd=/tmp/htpass.txt
* OAuth reads the htpasswd key from this secret.
* Edit OAuth and add the HTPasswd provider (keep LDAP intact)
* oc edit oauth cluster
Add another entry under spec.identityProviders:
- name: local-htpasswd
mappingMethod: claim
type: HTPasswd
htpasswd:
fileData:
name: htpass-secret
* This adds a second login option while preserving LDAP.
* Restart OAuth pods
* oc -n openshift-authentication delete pod -l app=oauth-openshift
* Ensures the updated list of identity providers is loaded.
* Verify login works for htpasswd user
* Log in via console using testuser.
* Confirm the user is created:
* oc get user testuser


46. Frage
Spread replicas using podAntiAffinity
Task Information : Configure payments/api to prefer scheduling pods on different nodes.

Antwort:

Begründung:
See the solution below in Explanation:
Explanation:
* Patch deployment with preferred podAntiAffinity
* oc -n payments patch deploy api --type=merge -p '{
* "spec":{"template":{"spec":{"affinity":{
* "podAntiAffinity":{
* "preferredDuringSchedulingIgnoredDuringExecution":[{
* "weight":100,
* "podAffinityTerm":{
* "labelSelector":{"matchLabels":{"app":"api"}},
* "topologyKey":"kubernetes.io/hostname"
* }
* }]
* }
* }}}}
* }'
* Encourages spread across nodes to reduce single-node impact.
* Verify spread
* oc -n payments get pods -o wide


47. Frage
......

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