RedHat EX432 - Red Hat Certified Specialist in OpenShift Advanced Cluster Management

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).

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.

Use a policy-based deployment model that installs RHACS components consistently across clusters (operator + secured cluster).

Bind policy to placement selecting target clusters.

Validate RHACS Sensor/Collector present in expected namespace on managed clusters.

Policy collections exist demonstrating RHACS installation patterns via policy framework.