EX280높은통과율공부자료최신덤프로시험패스도전!

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RedHat EX280 Exam Syllabus Topics:

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

                                      >> EX280높은 통과율 공부자료 <<

                                      RedHat EX280시험대비 덤프공부 - EX280최신버전 공부자료

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                                      최신 Red Hat Certified Architect (RHCA) EX280 무료샘플문제 (Q24-Q29):

                                      질문 # 24
                                      Configure a secret
                                      Configure a secret in the math project with the following requirements: The name of the secret is: magic The secret defines a key with name: decoder_ring The secret defines the key with value:
                                      XpWy9KdcP3Tr9FFHGQgZgVRCKukQdrQsbcl0c2ZYhDk=

                                      정답：

                                      설명：
                                      See the solution below in Explanation.
                                      Explanation:
                                      Solution:
                                      $ oc project math
                                      $ oc create secret generic magic --from-literal key=decoder_ring --from- literal value=XpWy9KdcP3Tr9FFHGQgZgVRCKukQdrQsbcl0c2ZYhDk=
                                      $ oc get secret -n math


                                      질문 # 25
                                      Scale an application automatically
                                      Automatically scale the hydra application deployment configuration in the lerna project with the following requirements:
                                      Minimum number of replicas: 6 Maximum number of replicas: 9
                                      Target average CPU utilization: 60 percent Container CPU resource request: 25m Container CPU resource limit: 100m

                                      정답：

                                      설명：
                                      See the solution below in Explanation.
                                      Explanation:
                                      Solution:
                                      $ oc project lerna
                                      $ oc get pods
                                      $ oc get all | grep deployment
                                      $ oc autoscale deployment.apps/hydra --max=9 --min=6 --cpu-percent=60
                                      $ oc get hpa
                                      $ oc set resources deployment.apps/hydra --limits=cpu=100m -- requests=cpu=25m
                                      $ oc describe deployment.apps/hydra | grep Limits -A3


                                      질문 # 26
                                      Create a PV and PVC
                                      Task information Details:
                                      Create a PersistentVolume named landing-pv with 1Gi , ReadOnlyMany , NFS backend, and Retain reclaim policy.
                                      Create a PersistentVolumeClaim named landing-pvc requesting 1Gi , ReadOnlyMany , and storage class nfs2 .

                                      정답：

                                      설명：
                                      See the solution below in Explanation.
                                      Explanation:
                                      Solution:
                                      * Create landing-pv.yaml:
                                      apiVersion: v1
                                      kind: PersistentVolume
                                      metadata:
                                      name: landing-pv
                                      spec:
                                      capacity:
                                      storage: 1Gi
                                      accessModes:
                                      - ReadOnlyMany
                                      nfs:
                                      path: /open001
                                      server: 192.168.2.2
                                      persistentVolumeReclaimPolicy: Retain
                                      * Apply it:
                                      oc apply -f landing-pv.yaml
                                      * Create landing-pvc.yaml:
                                      apiVersion: v1
                                      kind: PersistentVolumeClaim
                                      metadata:
                                      name: landing-pvc
                                      spec:
                                      accessModes:
                                      - ReadOnlyMany
                                      resources:
                                      requests:
                                      storage: 1Gi
                                      storageClassName: nfs2
                                      * Apply it:
                                      oc apply -f landing-pvc.yaml
                                      * Verify:
                                      oc get pv
                                      oc get pvc
                                      oc describe pv landing-pv
                                      oc describe pvc landing-pvc
                                      This task validates persistent storage provisioning and claim binding concepts.


                                      질문 # 27
                                      Use Secret in Monday Project
                                      Task information Details:
                                      Use the secret created earlier as environment variables in deployment monday .

                                      정답：

                                      설명：
                                      See the solution below in Explanation.
                                      Explanation:
                                      Solution:
                                      * Switch to the correct project if needed:
                                      oc project monday
                                      * Inject environment variables from the secret:
                                      oc set env deployment/monday --from=secret/magic
                                      * Verify:
                                      oc set env deployment/monday --list
                                      oc describe deployment monday
                                      Notes:
                                      * The uploaded lab references secret/file-secret, but Task 8 clearly intends the secret to be named magic .
                                      * In a real exam, match the actual secret name present in the cluster.
                                      This task tests secret consumption by workloads through environment variable injection.


                                      질문 # 28
                                      Configure an application to use a secret
                                      Configure the application called qed in the math project with the following requirements:
                                      The application uses the secret previously created called: magic The secret defines an environment variable with name: DECODER_RING The application output no longer displays: Sorry, application is not configured correctly.

                                      정답：

                                      설명：
                                      See the solution below in Explanation.
                                      Explanation:
                                      Solution:
                                      $ oc get all | grep deploy
                                      $ oc set env --from=secret/magic deployment.apps/qed


                                      질문 # 29
                                      ......

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