The EX432 exam validates your ability to design, deploy, and manage advanced OpenShift clusters using Red Hat Advanced Cluster Management. This certification is ideal for experienced OpenShift administrators and platform engineers who need to demonstrate expertise in multi-cluster governance, policy enforcement, and lifecycle management. This page outlines the exam structure, core topics, and effective study strategies to help you prepare for the Red Hat Certified Specialist in OpenShift Advanced Cluster Management credential within the Red Hat Openshift Certifications pathway.
Use this topic map to guide your study for RedHat EX432 (Red Hat Certified Specialist in OpenShift Advanced Cluster Management) within the Red Hat Openshift Certifications path.
The EX432 exam combines multiple-choice and scenario-based questions to assess both foundational knowledge and practical decision-making in real-world cluster management situations.
Questions progress in difficulty and emphasize practical application, reflecting the skills needed to manage production multi-cluster environments.
Effective preparation requires mapping exam topics to weekly study blocks, hands-on practice with ACM features, and regular review of weak areas. Dedicate time to both theoretical understanding and practical cluster operations to build confidence and speed.
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Multi-cluster application lifecycle management, policy governance, and cluster lifecycle operations typically account for the largest portion of exam questions. These areas directly impact production cluster stability and compliance, so Red Hat emphasizes them heavily. Allocate study time proportionally and ensure you can confidently handle real-world scenarios in these domains.
You should have at least 6-12 months of experience managing OpenShift clusters and ideally 2-3 months working with ACM features in a lab or production environment. Practical experience with cluster imports, policy creation, and multi-cluster application deployment is essential. Without hands-on exposure, exam questions that test troubleshooting and design decisions will be difficult to answer confidently.
Candidates often confuse policy remediation modes (enforce vs. inform) and miss the implications of policy placement on different cluster sets. Another frequent error is misunderstanding the relationship between hub cluster components and managed cluster agents. Review policy syntax carefully and practice interpreting policy status output to avoid these pitfalls.
Read the scenario twice: first to understand the business context, then again to identify the specific technical problem. Eliminate obviously incorrect answers, then compare remaining options based on best practices for multi-cluster management. Consider the impact of each choice on cluster stability, compliance, and operational overhead before selecting your answer.
Focus on weak topic areas identified in practice tests rather than reviewing material you already know well. Complete one full-length timed practice test to validate pacing and confidence. In the final 2-3 days, review policy syntax, cluster lifecycle commands, and troubleshooting workflows through quick reference notes rather than re-reading large sections.
SIMULATION
Task 19
Label managed clusters for placement (environment=dev, region=us-east)
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.
SIMULATION
Task 27
Troubleshoot a managed cluster stuck ''NotReady'' by checking klusterlet/agent components
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
Typical fixes: missing pull secret, network/DNS issues, CSR approval issues, etc. (Exam expects you to identify from events/conditions).
SIMULATION
Task 38
Rotate/renew managed cluster access (agent cert / CSR workflow) and restore connectivity
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.
SIMULATION
Task 13
Create Kustomization File
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.
SIMULATION
Task 44
Configure a maintenance window for deployments (time window concept) and validate drift
Edit the subscription/app definition to include a time window (active or blocked window).
Attempt a change outside the window and observe behavior (no rollout until window).
Confirm rollout during window.