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| Section | Weight | Objectives |
|---|---|---|
| Manage OpenShift Container Platform through CLI and Web UI | 15% | - Navigate and operate through the web console - Use oc and kubectl commands for cluster management - Install and configure OpenShift cluster using CLI tools |
| Implement and manage networking | 15% | - Troubleshoot network connectivity issues - Configure Ingress and Egress policies - Manage network policies |
| Manage storage for applications | 10% | - Configure persistent storage - Manage storage classes - Create and use persistent volume claims |
| Configure authentication and authorization | 15% | - Configure RBAC (Role-Based Access Control) - Integrate with external identity providers - Manage users and groups - Create and manage service accounts |
| Deploy and manage applications | 20% | - Implement multi-container pods - Create and manage deployments - Use ConfigMaps and Secrets - Configure application scaling and replication |
| Implement CI/CD pipelines | 10% | - Configure OpenShift pipelines ( Tekton ) - Integrate with external CI/CD tools - Automate application deployments |
| Monitor and troubleshoot cluster | 15% | - Troubleshoot common issues - Analyze logs and events - Monitor cluster health and metrics |
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NEW QUESTION # 19
Configure and synchronize OpenShift groups from LDAP (group sync)
Task Information : Create an LDAP group-sync config, run a one-time sync, and confirm groups exist in OpenShift.
Answer:
Explanation:
See the solution below in Explanation:
Explanation:
* Create a group sync config file (example groupsync.yaml)
* This file defines how OpenShift queries LDAP for groups and members.
* Run a one-time group sync
* oc adm groups sync --sync-config=groupsync.yaml --confirm
* --confirm actually applies changes (without it, it's a dry-run preview).
* Verify groups created/updated
* oc get groups
* oc describe group < groupname >
* Confirms group objects exist and membership is present.
NEW QUESTION # 20
Identity Management - Create CA ConfigMap
Answer:
Explanation:
See the solution below in Explanation:
Explanation:
Step 1: Ensure the certificate file rhds_ca.crt is available in your current working directory or use the correct path.
The Task requires creating a configmap from this CA certificate file.
Step 2: Run the command:
oc create configmap rhds-ca-config-map --from-file ca.crt=rhds_ca.crt -n openshift-config Step 3: Confirm the configmap is created.
The lab output shows:
configmap/rhds-ca-config-map created
Detailed explanation:
This creates a configmap named rhds-ca-config-map in the openshift-config namespace and maps the local file rhds_ca.crt to the key name ca.crt inside the configmap. This is important in external identity integration because OpenShift may need to trust a custom certificate authority when communicating with LDAP or another secured external service. By placing the certificate in a configmap, the authentication operator or related cluster configuration can reference it cleanly. The key name matters because many OpenShift resources expect a CA bundle key with a specific filename-like convention. If the file path is wrong, the command fails immediately. If the configmap name or key mapping is wrong, the authentication provider referencing it may not trust the external endpoint.
NEW QUESTION # 21
GitOps and MachineConfig - Push MachineConfig to Git
Answer:
Explanation:
See the solution below in Explanation:
Explanation:
Step 1: Make sure the MachineConfig YAML has already been created or modified in the local Git repository.
This Task assumes the file change is ready to be committed.
Step 2: Run the command:
git commit -am "Add MachineConfig for motd" & & git push origin main
Step 3: Verify the commit succeeds and the push goes to the main branch.
The lab output shows:
[main 8d32a1] Add MachineConfig for motd
Detailed explanation:
This Task is part of a GitOps workflow. Instead of manually applying changes directly to the cluster, the desired configuration is stored in Git, and a GitOps controller such as Argo CD synchronizes the cluster to match the repository state. The command commits all tracked modified files with the message Add MachineConfig for motd and then pushes the change to the main branch. In this model, Git becomes the source of truth. A MachineConfig is typically used to manage node-level operating system configuration in OpenShift, so pushing it through GitOps ensures the change is auditable, repeatable, and reconciled declaratively. If the commit does not include the intended YAML, the synchronization mechanism will not apply the desired change.
NEW QUESTION # 22
Configure BackupStorageLocation and VolumeSnapshotLocation
Task Information : Configure OADP/Velero storage locations and confirm they show as Available.
Answer:
Explanation:
See the solution below in Explanation:
Explanation:
* Create a secret for cloud credentials (S3-compatible example)
* oc -n openshift-adp create secret generic cloud-credentials \
* --from-file=cloud=/path/to/credentials
* Velero uses this secret to authenticate to object storage.
* Create/Update the DataProtectionApplication (DPA)
* Apply a DPA CR that defines:
* backupLocations (bucket, endpoint URL, region, etc.)
* snapshotLocations (if using snapshots)
* Verify BackupStorageLocation and SnapshotLocation
* velero backup-location get
* velero snapshot-location get
* Status should be Available, meaning storage config is valid.
==========
NEW QUESTION # 23
Integrate OpenShift with LDAP (create LDAP identity provider)
Task Information : Configure cluster OAuth to add an LDAP identity provider using an existing bind secret and CA ConfigMap , then verify login works.
Answer:
Explanation:
See the solution below in Explanation:
Explanation:
* Verify prerequisites exist (Secret + ConfigMap)
* oc -n openshift-config get secret rhds-ldap-secret
* oc -n openshift-config get configmap rhds-ca-config-map
* OAuth LDAP configuration references these objects. If they don't exist, OAuth won't be able to bind to LDAP securely.
* Edit the cluster OAuth resource
* oc edit oauth cluster
* The oauth/cluster resource is where identity providers are defined.
* Add an LDAP identity provider entry (example structure) Add under spec.identityProviders:
* - name: corp-ldap
* mappingMethod: claim
* type: LDAP
* ldap:
* url: "ldaps://ldap.example.com:636/ou=People,dc=example,dc=com?uid"
* bindDN: "uid=openshift,ou=svc,dc=example,dc=com"
* bindPassword:
* name: rhds-ldap-secret
* ca:
* name: rhds-ca-config-map
* insecure: false
* attributes:
* id: ["dn"]
* name: ["cn"]
* preferredUsername: ["uid"]
* email: ["mail"]
* url: where to search for users and which attribute is used for login (here uid).
* bindDN + bindPassword: service account used for LDAP queries.
* ca: trusts the LDAP server CA for TLS.
* attributes: maps LDAP data into OpenShift user identity fields.
* Restart OAuth pods to load changes quickly
* oc -n openshift-authentication delete pod -l app=oauth-openshift
* This forces pods to restart and re-read the updated configuration.
* Verify the identity provider appears and users can log in
* In the web console login page, you should see the new provider (name may show as corp-ldap).
* After a successful login, confirm user objects appear:
* oc get users
* oc get identities
* OpenShift creates User and Identity objects upon first successful authentication.
NEW QUESTION # 24
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