EX280 Vorbereitung, EX280 Zertifizierungsfragen

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RedHat EX280 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Work with Kubernetes Resources25%- Query, filter and modify resource attributes
  • 1. Use labels, selectors and annotations
    • 2. Import/export and configure manifests
      - Manage configuration data
      • 1. Create and use Secrets
        • 2. Create and use ConfigMaps
          Topic 2: Manage Authentication and Authorization15%- Manage users, groups and permissions
          • 1. Assign roles and adjust access rights
            • 2. Create/delete users and modify passwords
              - Configure identity providers
              • 1. Set up HTPasswd and other providers
                Topic 3: Deploy and Manage Applications25%- Manage application lifecycles
                • 1. Update and rollback deployments
                  • 2. Manage replica sets and scaling
                    - Deploy applications from multiple sources
                    • 1. Use YAML manifests, templates and Helm charts
                      • 2. Use Kustomize and overlays
                        Topic 4: Configure Networking and Access15%- Troubleshoot software-defined networking
                        - Expose services externally
                        • 1. Control ingress and network policies
                          • 2. Create and manage routes
                            Topic 5: Manage OpenShift Container Platform20%- Work with container images
                            • 1. Locate, identify and examine images
                              • 2. Manage image streams and registries
                                - Manage and configure clusters via web console and CLI
                                • 1. Create and delete projects
                                  • 2. Monitor events, alerts and logs
                                    • 3. Examine cluster status and resources

                                      >> EX280 Vorbereitung <<

                                      EX280 Red Hat Certified Specialist in OpenShift Administration exam neueste Studie Torrent & EX280 tatsächliche prep Prüfung

                                      Zurzeit ist RedHat EX280 Zertifizierungsprüfung eine sehr populäre Prüfung. Wollen die EX280 Zeritifizierungsprüfung ablegen? Tatsächlich ist diese Prüfung sehr schwierig. Aber es bedeutet nicht, dass Sie diese Prüfung mit guter Note bestehen können. Wollen Sie die Methode, die EX280 Prüfung sehr leicht zu bestehen, kennenzulernen? Das ist RedHat EX280 dumps von ExamFragen.

                                      RedHat Red Hat Certified Specialist in OpenShift Administration exam EX280 Prüfungsfragen mit Lösungen (Q32-Q37):

                                      32. Frage
                                      Autoscale of Pods
                                      Task information Details:
                                      Create an HPA for httpd with min=2 , max=9 , and CPU target 60% .
                                      Set resource requests on the httpd deployment so autoscaling can function properly.

                                      Antwort:

                                      Begründung:
                                      See the solution below in Explanation.
                                      Explanation:
                                      Solution:
                                      * Set resource requests on the deployment:
                                      oc set resources deployment httpd --requests=cpu=50m,memory=100Mi
                                      * Create the HPA:
                                      oc autoscale deployment httpd --min=2 --max=9 --cpu-percent=60
                                      * Verify:
                                      oc get hpa
                                      oc describe hpa httpd
                                      oc get deployment httpd -o yaml
                                      Why resource requests matter:
                                      * HPA CPU utilization is calculated against requested CPU.
                                      * Without requests, percentage-based autoscaling is incomplete or invalid.
                                      This task focuses on autoscaling prerequisites and policy creation.


                                      33. Frage
                                      Configure project permissions
                                      Configure your OpenShift cluster to meet the following requirements: The following projects exist:
                                      apollo manhattan gemini bluebook titan
                                      The user account armstrong is an administrator for project apollo and project gemini The user account wozniak can view project titan but not administer or delete it

                                      Antwort:

                                      Begründung:
                                      See the solution below in Explanation.
                                      Explanation:
                                      Solution:
                                      $ oc new-project apollo
                                      $ oc new-project manhattan
                                      $ oc new-project gemini
                                      $ oc new-project bluebook
                                      $ oc new-project titan
                                      $ oc adm policy add-role-to-user admin armstrong -n apollo
                                      $ oc adm policy add-role-to-user admin armstrong -n gemini
                                      $ oc adm policy add-role-to-user view wozniak -n titan


                                      34. Frage
                                      Collect Cluster Information
                                      Task information Details:
                                      Run must-gather and archive the gathered data into a tar file.

                                      Antwort:

                                      Begründung:
                                      See the solution below in Explanation.
                                      Explanation:
                                      Solution:
                                      * Run must-gather:
                                      oc adm must-gather
                                      * Confirm the directory created, usually something like:
                                      ls
                                      * Archive the directory:
                                      tar -cvzf system10-4ktjl-l4kj5l-lk45j.tar.gz must-gather.local.*
                                      * Verify:
                                      ls -lh *.tar.gz
                                      Notes:
                                      * The lab text shows a tar command without source paths. A valid tar command must include the source directory or files.
                                      * Use the actual must-gather output directory generated in your environment.
                                      This task validates support-data collection and cluster diagnostics handling.


                                      35. Frage
                                      Deploy an application
                                      Deploy the application called oranges in the apples project so that the following conditions are true:
                                      The application uses the ex280sa service account
                                      No additional configuration components have been added or removed The application produces output

                                      Antwort:

                                      Begründung:
                                      See the solution below in Explanation.
                                      Explanation:
                                      Solution:
                                      $ oc project mercury
                                      $ oc get pods
                                      $ oc get all | grep deploy
                                      $ oc describe deployment.apps/atlas | grep -L memory
                                      $ oc set resources deployment.apps/atlas --resources=memory=80Mi


                                      36. Frage
                                      Managing Group
                                      Task information Details:
                                      Create the groups site-users and guest-users .
                                      Add qwerty to guest-users .
                                      Add harry and susan to site-users .
                                      Grant edit to site-users on test .
                                      Grant view to guest-users on demo .

                                      Antwort:

                                      Begründung:
                                      See the solution below in Explanation.
                                      Explanation:
                                      Solution:
                                      * Create the groups:
                                      oc adm groups new site-users
                                      oc adm groups new guest-users
                                      * Add users to groups:
                                      oc adm groups add-users guest-users qwerty
                                      oc adm groups add-users site-users harry susan
                                      * Grant edit role on test to site-users:
                                      oc policy add-role-to-group edit site-users -n test
                                      * Grant view role on demo to guest-users:
                                      oc policy add-role-to-group view guest-users -n demo
                                      * Verify:
                                      oc get groups
                                      oc describe group site-users
                                      oc describe group guest-users
                                      oc get rolebinding -n test
                                      oc get rolebinding -n demo
                                      This task measures practical administration of OpenShift groups and project-scoped RBAC assignments.


                                      37. Frage
                                      ......

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