[Jul-2026] RedHat EX432 Dumps - Secret To Pass in First Attempt
RedHat EX432 Exam Dumps [2026] Practice Valid Exam Dumps Question
NEW QUESTION # 28
Create MultiClusterHub (CLI Alternative)
Task information: Apply the MultiClusterHub custom resource if not using Web Console.
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
* Ensure you are logged into the hub cluster:
* oc whoami
* oc project open-cluster-management
* Create/apply the MultiClusterHub CR:
* oc apply -f multiclusterhub.yaml
* Verify it was created:
* oc get multiclusterhub -A
* oc describe multiclusterhub -n open-cluster-management
* Watch pods come up (typical namespaces include open-cluster-management, open-cluster- management-hub, etc. depending on ACM version/config):
* oc get pods -n open-cluster-management -w
Why these steps matter:
* The MultiClusterHub CR is the "hub installation" object. The operator reconciles it and installs
/maintains hub services.
NEW QUESTION # 29
Create Kustomization File
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
* Create an empty kustomization file:
* touch overlays/production/kustomization.yaml
* Validate it exists:
* ls -l overlays/production
Why this matters:
* kustomization.yaml is the entrypoint file Kustomize uses to build overlays.
NEW QUESTION # 30
Create ETCD Encryption Policy (Web Console)
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
* Open the ACM console on the hub.
* Navigate to Governance # Policies .
* Click Create policy .
* Set Name : policy-etcd.
* Choose the policy template/type ETCD Encryption .
* Set Remediation action to enforce .
* inform = report only
* enforce = attempt to automatically remediate to desired state
* Select clusters/ClusterSets to apply (depends on the wizard).
* Click Submit .
* Verify compliance once applied:
* In console, check policy status: Compliant/NonCompliant
* Or via CLI:
* oc get policy -A
* oc describe policy policy-etcd -n < policy-namespace >
Why this matters:
* Governance policies are a core ACM feature for enforcing security baselines across multiple clusters.
NEW QUESTION # 31
Create a Governance Policy to ensure a namespace exists on selected clusters
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
Policies in ACM require:
* a Policy resource
* a Placement (which clusters to target)
* a PlacementBinding (bind policy # placement)
* Create the Policy (in team-dev) enforcing a namespace audit-logs:
cat < < 'EOF' | oc apply -f -
apiVersion: policy.open-cluster-management.io/v1
kind: Policy
metadata:
name: policy-ensure-audit-namespace
namespace: team-dev
spec:
remediationAction: enforce
disabled: false
policy-templates:
- objectDefinition:
apiVersion: policy.open-cluster-management.io/v1
kind: ConfigurationPolicy
metadata:
name: ensure-audit-namespace
spec:
remediationAction: enforce
severity: low
object-templates:
- complianceType: musthave
objectDefinition:
apiVersion: v1
kind: Namespace
metadata:
name: audit-logs
EOF
* Create PlacementBinding to bind it to dev-clusters placement:
cat < < 'EOF' | oc apply -f -
apiVersion: policy.open-cluster-management.io/v1
kind: PlacementBinding
metadata:
name: bind-policy-ensure-audit-namespace
namespace: team-dev
placementRef:
apiGroup: cluster.open-cluster-management.io
kind: Placement
name: dev-clusters
subjects:
- apiGroup: policy.open-cluster-management.io
kind: Policy
name: policy-ensure-audit-namespace
EOF
* Verify compliance:
oc get policy -n team-dev
oc describe policy policy-ensure-audit-namespace -n team-dev
Why this matters:
This is the core "ACM governance" exam pattern: define desired state and enforce across clusters.
NEW QUESTION # 32
Create Production ClusterSet
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
* Create the ManagedClusterSet:
* oc create managedclusterset production
* Validate:
* oc get managedclusterset
* oc describe managedclusterset production
Why this matters:
* Separating development and production clusters is common for governance/RBAC isolation.
NEW QUESTION # 33
Create Development ClusterSet
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
* Create the ManagedClusterSet:
* oc create managedclusterset development
* Confirm it exists:
* oc get managedclusterset
* oc describe managedclusterset development
Why these steps matter:
* ClusterSets are an ACM grouping primitive used for RBAC scoping , governance targeting, and multi- cluster app placement.
NEW QUESTION # 34
Create a Placement that selects clusters by label (environment=dev)
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
* Create Placement in team-dev:
cat < < 'EOF' | oc apply -f -
apiVersion: cluster.open-cluster-management.io/v1beta1
kind: Placement
metadata:
name: dev-clusters
namespace: team-dev
spec:
predicates:
- requiredClusterSelector:
labelSelector:
matchExpressions:
- key: environment
operator: In
values: ["dev"]
EOF
* Verify placement decisions:
oc get placement -n team-dev
oc get placementdecision -n team-dev
Why this matters:
Placement is used broadly for policy targeting and multi-cluster app rollout .
NEW QUESTION # 35
Create a Placement that selects clusters by OpenShift version label and exclude a region
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
* Ensure clusters have labels like openshiftVersion=4.18 and region=us-west etc.
* Create placement with matchExpressions (include one label, exclude another):
matchExpressions:
- key: openshiftVersion
operator: In
values: ["4.18"]
- key: region
operator: NotIn
values: ["us-west"]
* Validate PlacementDecision.
NEW QUESTION # 36
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 # 37
Configure Observability (MultiClusterObservability) with object storage credentials
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
* Create the object storage secret (you'll be given endpoint/access keys in an exam):
oc -n open-cluster-management-observability create secret generic thanos-object-storage \
--from-file=thanos.yaml=/path/to/thanos.yaml
* Create or edit MultiClusterObservability CR to enable observability (storage class, retention, etc.).
* Verify observability pods in the observability namespace and check dashboards/metrics. Why this matters: Monitoring health/performance with ACM observability is a common learning objective in ACM training.
NEW QUESTION # 38
Deploy an application using Subscription + PlacementRule (legacy model)
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
* Create a Channel (Git) and Subscription referencing it (example pattern).
* In exams, you're usually given a repo URL and target namespace.
* Ensure there is a placement rule/placement selecting clusters.
* Apply manifests:
oc apply -f channel.yaml
oc apply -f subscription.yaml
* Verify resources:
oc get channels.apps.open-cluster-management.io -A
oc get subscriptions.apps.open-cluster-management.io -A
oc get application.app.k8s.io -A
Why this matters:
Multi-cluster application lifecycle is part of ACM operations, and EX480 explicitly covers managing multi- cluster environments with ACM.
NEW QUESTION # 39
Switch a policy from enforce # inform (report-only) and validate behavior
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
* Patch remediation to inform:
oc patch policy policy-ensure-audit-namespace -n team-dev --type=merge -p '{"spec":{"remediationAction":" inform"}}'
* Verify:
oc get policy policy-ensure-audit-namespace -n team-dev -o yaml | grep remediationAction -n
* Observe compliance changes (policy will report but not auto-fix).
NEW QUESTION # 40
Grant Admin Access to User A (ClusterSet admin for production)
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
* Grant the role:
* oc adm policy add-cluster-role-to-user open-cluster-management:managedclusterset:admin:production user-a
* Confirm the binding:
* oc get clusterrolebinding | grep -i production | grep -i user-a
Why this matters:
* ACM provides ClusterSet-scoped roles. This grants admin permissions limited to the production ClusterSet (instead of full cluster-admin).
NEW QUESTION # 41
Validate ClusterSet RBAC: confirm User A can only administer production ClusterSet
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
* Grant the ClusterSet role (admin on production).
* Log in as user-a and attempt:
* list clusters in production vs development
* create policies in a namespace bound to production
* Confirm authorization errors when accessing development resources.
(ClusterSet RBAC is explicitly part of cluster set management and access scope.)
NEW QUESTION # 42
Create a PolicySet and include multiple policies for a baseline
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
* Create PolicySet referencing existing policies:
cat < < 'EOF' | oc apply -f -
apiVersion: policy.open-cluster-management.io/v1beta1
kind: PolicySet
metadata:
name: baseline-dev
namespace: team-dev
spec:
policies:
- policy-ensure-audit-namespace
# Add more policies here as you create them
EOF
* Verify:
oc get policyset -n team-dev
Why this matters:
PolicySets group policies to apply/track as a unit-common governance practice.
NEW QUESTION # 43
Create Overlay Directory (Kustomize)
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
* Create overlay structure:
* mkdir -p overlays/production
* Confirm:
* ls -R overlays
Why this matters:
* Kustomize overlays let you maintain base manifests and environment-specific patches (production vs dev, etc.).
NEW QUESTION # 44
......
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