[Aug 01, 2026] Powerful EX432 PDF Dumps for EX432 Questions
Authentic EX432 Dumps - Free PDF Questions to Pass
NEW QUESTION # 24
Install RHACM Operator (Web Console)
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
* Log in to the OpenShift Web Console as a cluster-admin user.
* Go to Operators # OperatorHub .
* OperatorHub is the catalog of available operators.
* In the search box, type: Advanced Cluster Management .
* Click Advanced Cluster Management for Kubernetes (Red Hat ACM).
* Click Install .
* In the install wizard:
* Update channel : choose the recommended/stable channel for your lab.
* Installation mode : typically "All namespaces on the cluster" (default).
* Installed Namespace : select or create open-cluster-management .
* Click Install and wait for the operator to show Succeeded in:
* Operators # Installed Operators .
Why these steps matter:
* Installing the ACM operator creates the CRDs/controllers required to run the Hub components (MultiClusterHub) that manage/import other clusters.
NEW QUESTION # 25
Import Cluster (Web Console)
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
* In the hub cluster Web Console, go to Infrastructure # Clusters (ACM console navigation).
* Click Import cluster .
* Provide a name (the UI may request details like distribution/credentials depending on flow).
* The wizard will provide a command to run on the managed cluster you want to import.
* Copy that import command.
* Log into the managed cluster (spoke) using oc and run the copied command.
* Back on the hub, wait until the cluster status becomes Ready / Managed .
Why these steps matter:
* Import registers the managed cluster, installs the klusterlet/agent components, and enables policy/app placement management.
NEW QUESTION # 26
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 # 27
Install RHACS Operator (Web Console)
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
* In OpenShift Web Console, go to Operators # OperatorHub .
* Search for Advanced Cluster Security .
* Select Red Hat Advanced Cluster Security for Kubernetes (RHACS) .
* Click Install and follow the wizard (namespace/channel per lab).
* After operator installation, create RHACS components (as the hint indicates):
* Install/Deploy Central (the management plane)
* Install/Deploy SecuredCluster (sensor/collector on clusters)
* Confirm operator and pods are running:
* Operators # Installed Operators
* oc get pods -n < rhacs-namespace >
Why this matters:
* RHACS adds container security posture management, vulnerability management, and runtime policy enforcement.
NEW QUESTION # 28
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 # 29
Create a Placement that selects clusters in a ManagedClusterSet only
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
* Ensure namespace has the correct ManagedClusterSetBinding.
* Create placement in that namespace; only clusters visible via bound ClusterSet can be selected.
* Verify placementdecision includes only clusters from that set.
This ties together ClusterSets (grouping) and Placement (selection).
NEW QUESTION # 30
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 # 31
Troubleshoot a policy that shows "Pending" (no placement decisions)
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
* Confirm the policy exists in the namespace:
oc get policy -n team-dev
* Confirm Placement exists and selects clusters:
oc get placement -n team-dev
oc get placementdecision -n team-dev
* Confirm PlacementBinding points to correct placement + policy:
oc get placementbinding -n team-dev -o yaml
* Fix common mistakes:
* wrong namespace
* placement name mismatch
* missing ClusterSetBinding in the namespace Why this matters: Policy framework requires placement + binding; missing/incorrect targeting is the #1 real-world issue.
NEW QUESTION # 32
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 # 33
Detach (unimport) a managed cluster safely from the hub
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
* Identify the managed cluster:
oc get managedcluster
* If required in your environment, remove dependent placements/policies/apps targeting it (exam often expects you to check "why deletion stuck").
* Delete managed cluster:
oc delete managedcluster cluster-dev
* Watch finalizers and cleanup:
oc get managedcluster cluster-dev -o yaml | grep finalizers -n
Why this matters:
Proper lifecycle operations (import/manage/detach) is core EX432/EX480 scope.
NEW QUESTION # 34
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 # 35
Bind Cluster to ClusterSet
Task information: Add cluster-dev to the development ClusterSet.
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
* Confirm the cluster is present on the hub:
* oc get managedcluster
* Bind cluster-dev to development:
* clusteradm clusterset bind --clusterset development --cluster cluster-dev
* Verify membership (common checks):
* oc get managedclustersetbindings -A
* oc get managedclusterset development -o yaml
* oc get managedcluster cluster-dev -o yaml | grep -i clusterset -n
Why this matters:
* ClusterSet binding is what allows RBAC/users/apps/policies scoped to that ClusterSet to target the cluster.
NEW QUESTION # 36
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 # 37
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 # 38
Create a "deny" baseline policy: ensure a prohibited Namespace does NOT exist
Answer:
Explanation:
See the solution below in Explanation.
* Create a ConfigurationPolicy using mustnothave complianceType (common policy pattern).
* Bind to placement.
* Confirm noncompliance if the namespace exists; enforce removes it if remediation is enforce.
NEW QUESTION # 39
Set TimeWindow for App (Web Console)
Task information: Add timeWindow to Subscription spec (active window Friday 09:00-17:00)
Answer:
Explanation:
See the solution below in Explanation.
Explanation:
* In ACM console go to Applications .
* Select the application you deployed.
* Open the Editor view (YAML editor) for the Subscription object.
* Under spec, add a timeWindow section similar to what the lab requests:
* windowtype: active
* day: Friday
* hours: 09:00-17:00
* Save/apply the changes.
* Verify the Subscription YAML now contains the time window and observe that deployment actions respect the scheduling window.
Why this matters:
* Time windows let you control when changes roll out (useful for change-management, business hours, and maintenance windows).
NEW QUESTION # 40
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 # 41
Create a compliance dashboard view: group policies by PolicySet and export results
Answer:
Explanation:
See the solution below in Explanation.
* Create PolicySet to group related policies.
* Use Governance UI to filter by PolicySet and view compliance per cluster.
* Export/report (or capture output via CLI oc get policy -o wide) depending on lab capability.
NEW QUESTION # 42
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