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| Certification Vendor: | Red Hat |
|---|---|
| Exam Name: | Red Hat Certified Specialist in OpenShift Advanced Cluster Management |
| Exam Number: | EX432 |
| Related Certifications: | Red Hat Certified Architect (RHCA) Red Hat Certified Specialist in OpenShift Administration Red Hat Certified Specialist in OpenShift Security |
| Real Exam Qty: | 10-12 |
| Exam Format: | Performance-based hands-on lab, Command-line scenarios |
| Passing Score: | 62 |
| Certificate Validity Period: | 3 years |
| Available Languages: | Japanese, English |
| Exam Duration: | 4 minutes |
| Exam Price: | USD 400 |
| Sample Questions: | RedHat EX432 Sample Questions |
| Exam Way: | On-site proctored exam at Red Hat testing centers or through online proctoring |
| Pre Condition: | Red Hat Certified Specialist in OpenShift Administration (EX280) or equivalent experience. Recommended: RH140 or equivalent OpenShift experience. |
| Official Syllabus URL: | https://www.redhat.com/en/services/training/ex432-red-hat-certified-specialist-open-advanced-cluster-management-exam |
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NEW QUESTION # 18
Label managed clusters for placement (environment=dev, region=us-east)
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
* List clusters:
oc get managedcluster
* Label the target cluster(s):
oc label managedcluster cluster-dev environment=dev region=us-east --overwrite
* Verify labels:
oc get managedcluster cluster-dev --show-labels
Why this matters:
Labels drive Placement decisions used by policies and applications.
NEW QUESTION # 19
Deploy GitOps Application (Subscription YAML)
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
* Apply the subscription/application manifest:
* oc apply -f application-subscription.yaml
* Confirm resources were created:
* oc get applications.app.k8s.io -A
* oc get subscriptions.apps.open-cluster-management.io -A
* oc describe application.app.k8s.io my-app -n < namespace >
* Watch placement/propagation (varies by model used in the lab):
* oc get placement -A
* oc get placementrule -A
Why this matters:
* ACM "application" deployment commonly uses Subscription/Placement (legacy model) or newer Placement resources, enabling multi-cluster rollout from Git sources.
NEW QUESTION # 20
Rotate/renew managed cluster access (agent cert / CSR workflow) and restore connectivity
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
* On hub: inspect managed cluster conditions for certificate issues.
* Check pending CSRs (if applicable in your lab):
oc get csr
* Approve relevant CSRs and verify managed cluster returns Ready. Why this matters: Certificate- driven trust is core to "secure clusters" operations in ACM.
NEW QUESTION # 21
Troubleshoot a managed cluster stuck "NotReady" by checking klusterlet/agent components
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
* Check cluster conditions:
oc describe managedcluster cluster-dev
* Check agent namespaces and pods on the managed cluster (common namespace names depend on deployment, but you're looking for ACM/klusterlet agents).
* On hub, check managedclusteraddons and addon health:
oc get managedclusteraddon -n cluster-dev
oc describe managedclusteraddon -n cluster-dev < addon-name >
* Typical fixes: missing pull secret, network/DNS issues, CSR approval issues, etc. (Exam expects you to identify from events/conditions).
NEW QUESTION # 22
Create a Placement for production clusters and limit placement to 2 clusters
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
* Label clusters for prod:
oc label managedcluster cluster-prod1 environment=prod --overwrite
oc label managedcluster cluster-prod2 environment=prod --overwrite
* Create Placement with numberOfClusters: 2:
cat < < 'EOF' | oc apply -f -
apiVersion: cluster.open-cluster-management.io/v1beta1
kind: Placement
metadata:
name: prod-two-clusters
namespace: team-prod
spec:
numberOfClusters: 2
predicates:
- requiredClusterSelector:
labelSelector:
matchLabels:
environment: prod
EOF
* Validate placement decisions:
oc get placementdecision -n team-prod
NEW QUESTION # 23
......
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