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Exam Review

Key Facts: EX480 Exam

Retired

EX480 Status (2026)

Red Hat exam page

4 hours

Performance-Based Section

Red Hat

EX432

Successor Exam

Red Hat ACM specialist

$500

Historical Exam Fee (USD)

Red Hat parity pricing

DO480

Recommended Course

Red Hat Training

3 years

Cert Validity

Red Hat recertification

EX480 was a 4-hour performance-based exam covering RHACM (cluster lifecycle, policies, observability, applications), RHACS (security policies, vulnerability management, runtime detection), Red Hat Quay (organizations, Clair scanning, geo-replication), and OpenShift Data Foundation across multiple clusters. Red Hat has retired the EX480 exam — candidates pursuing active credentials should schedule EX432 (OpenShift Advanced Cluster Management) which inherits the ACM-focused objectives.

Sample EX480 Practice Questions

Try these sample questions to review concepts for the EX480 exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Which Red Hat Advanced Cluster Management custom resource installs the ACM hub on an OpenShift cluster?
A.MultiClusterHub
B.ManagedCluster
C.ClusterDeployment
D.ClusterServiceVersion
Explanation: The MultiClusterHub custom resource (group operator.open-cluster-management.io) is created on the hub cluster after installing the Advanced Cluster Management for Kubernetes operator. It triggers deployment of the ACM hub components such as the search service, observability controllers, and the registration controller.
2What is the name of the agent that ACM installs on a managed cluster to communicate with the hub?
A.kubelet
B.klusterlet
C.registration-agent
D.sensor
Explanation: The klusterlet is the agent installed on every managed cluster. It registers with the hub (open-cluster-management-agent namespace), pulls down work objects, and reports status back to the hub via the registration and work APIs.
3Which CRD groups managed clusters together so that policies and applications can be targeted to a fleet?
A.ClusterPool
B.ManagedClusterSet
C.ClusterImageSet
D.Placement
Explanation: ManagedClusterSet (cluster.open-cluster-management.io) groups one or more ManagedCluster resources. A ManagedClusterSetBinding then binds the set into a namespace where Placement and Policy objects consume it.
4You want to import an existing EKS cluster into the ACM hub using the auto-import method. Which secret type must you create in the cluster's namespace on the hub?
A.bootstrap-hub-kubeconfig
B.auto-import-secret
C.klusterlet-bootstrap
D.import-token
Explanation: The auto-import-secret in the managed cluster's namespace on the hub holds the kubeconfig (or token + server) that the hub uses to bootstrap the klusterlet. ACM picks it up automatically and installs the agent on the target cluster.
5Which Hive resource lets you keep a stockpile of clusters that can be claimed and resumed on demand?
A.ClusterPool
B.ClusterClaim
C.ClusterDeployment
D.HostedCluster
Explanation: ClusterPool (hive.openshift.io) provisions a configurable number of clusters that hibernate when unclaimed. Developers create a ClusterClaim against the pool to get a running cluster handed back, while the pool refills behind it.
6Inside a Placement resource, which field selects clusters by labels such as environment=prod?
A.spec.clusterSelector
B.spec.predicates
C.spec.tolerations
D.spec.numberOfClusters
Explanation: Placement (cluster.open-cluster-management.io/v1beta1) uses spec.predicates, where each predicate has a requiredClusterSelector with labelSelector and claimSelector. The legacy PlacementRule used spec.clusterSelector; the modern Placement CRD uses predicates.
7Which output object does a Placement create to publish the list of clusters that satisfied its predicates?
A.PlacementBinding
B.PlacementDecision
C.PlacementRule
D.ClusterSelection
Explanation: For each Placement, the placement controller writes one or more PlacementDecision objects in the same namespace listing the matched clusters in status.decisions. Subscriptions, Policies, and ApplicationSets read PlacementDecision to know where to deploy.
8Which oc command lists all managed clusters known to the ACM hub?
A.oc get managedcluster
B.oc get clusterdeployments
C.oc get hostedclusters
D.oc adm cluster list
Explanation: ManagedCluster (cluster.open-cluster-management.io/v1) is the cluster-scoped resource representing each registered cluster on the hub, so 'oc get managedcluster' lists every cluster that has been imported or provisioned through ACM.
9Which ACM feature deploys multiple OpenShift control planes as pods on a single hosting cluster?
A.HyperShift hosted control planes
B.Hive bare-metal provisioning
C.Assisted Installer
D.ClusterPool hibernation
Explanation: HyperShift hosted control planes run each managed cluster's API server, etcd, and controllers as workloads on a hosting cluster, while worker nodes register externally. ACM integrates HyperShift through HostedCluster and NodePool CRDs.
10Which two CRDs together describe a HyperShift hosted cluster and the workers attached to it?
A.HostedCluster and NodePool
B.ManagedCluster and MachineSet
C.ClusterDeployment and MachinePool
D.HostedControlPlane and Agent
Explanation: HostedCluster defines the hosted control plane (release image, networking, services), and NodePool defines a set of worker machines that join it. The HostedControlPlane resource is the internal status object created by HyperShift; users write HostedCluster and NodePool.

About the EX480 Exam

EX480 was Red Hat's specialist certification for engineers who deploy and operate multicluster environments built on OpenShift Platform Plus. It validated hands-on skills with Red Hat Advanced Cluster Management (RHACM), Red Hat Advanced Cluster Security (RHACS), Red Hat Quay, and OpenShift Data Foundation across hub-and-managed-cluster topologies. Red Hat has retired EX480; equivalent material is now tested in EX432.

Exam sponsor: Red Hat. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

Single 4-hour performance-based section on live OpenShift Platform Plus hub and managed clusters

Time Limit

4 hours

Passing Score

Performance-based; numeric cut score not publicly published

Exam / Certification Fees

$500 USD (historical; parity-priced)

Exam sponsor website

Reported exam pass rate: Not published. Red Hat does not release official EX480 pass rates Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

20%

RHACM Deployment and Cluster Lifecycle

MultiClusterHub install, importing managed clusters, klusterlet, ManagedClusterSet, Placement CRD, cluster pools, hibernation, HyperShift hosted control planes

15%

Multicluster Applications and GitOps

Application/Subscription/Channel/PlacementRule, OpenShift GitOps (Argo CD), ApplicationSet generators (cluster, list, matrix), Kustomize integration

15%

Policy, Governance, Compliance

Policy CRD, PlacementBinding, ConfigurationPolicy, CertificatePolicy, IamPolicy, governance dashboard, policy-collection on GitHub

10%

RHACM Observability

MultiClusterObservability CR, Thanos object storage, Grafana, alert forwarding, metrics collector

20%

Red Hat Advanced Cluster Security (RHACS)

Central + Sensor + Collector, roxctl CLI, security policies (build/deploy/runtime), vulnerability management, admission controller, network policy generation

10%

Red Hat Quay

Quay Operator, organizations, repositories, robot accounts, OAuth tokens, Clair vulnerability scanning, geo-replication, mirror registries, Cosign image signing

10%

Storage, DR, and Submariner

OpenShift Data Foundation (Ceph, NooBaa MultiCloud Object Gateway), Regional DR with Ramen, Submariner gateway and Lighthouse service discovery, Volsync replication, OADP/Velero backup

Preparing for the EX480 Exam

What You Need to Know

  • Passing score: Performance-based; numeric cut score not publicly published
  • Assessment: Single 4-hour performance-based section on live OpenShift Platform Plus hub and managed clusters
  • Time limit: 4 hours
  • Exam / certification fees: $500 USD (historical; parity-priced) Official sources

Using Our Practice Resources

  • Work through all 100 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

EX480: Suggested Study Strategy

1Build a real hub cluster and import two managed clusters — one OpenShift, one EKS or AKS — to practice the full import flow including klusterlet bootstrapping
2Master Placement CRD predicates and ManagedClusterSet binding before policies — almost every EX480 task chains through Placement
3Practice Policy authoring from open-cluster-management-io/policy-collection templates and pair them with PlacementBinding objects
4Install MultiClusterObservability with a real S3-compatible Thanos object store (NooBaa or AWS S3) and verify cross-cluster metrics in Grafana
5Drill RHACS roxctl commands: roxctl central generate, roxctl sensor generate-certs, roxctl image scan, roxctl deployment check
6Build a Quay Operator deployment with one organization, one robot account, Clair scanning enabled, and image mirroring configured against quay.io
7Practice Argo CD ApplicationSet generators (cluster, list, matrix) so you can deploy the same workload to a fleet using ManagedCluster labels
8Configure Submariner with a broker cluster and at least two joined clusters; verify ServiceExport and Lighthouse DNS resolution
9Configure ODF with at least three OSDs and create a NooBaa ObjectBucketClaim — many storage policy questions depend on this baseline
10Time yourself in 4-hour mock labs that combine cluster import, policy distribution, RHACS deployment, and Quay configuration end-to-end

Frequently Asked Questions

Has Red Hat retired the EX480 exam?

Yes. The official EX480 exam page is currently labeled 'Retired' on redhat.com. Candidates who want a current Red Hat multicluster credential should target EX432 (Red Hat Certified Specialist in OpenShift Advanced Cluster Management), which inherits most of the ACM-focused EX480 objectives. EX480 study material remains highly relevant for EX432 prep.

What was the EX480 exam format and length?

EX480 was a single 4-hour performance-based section on live OpenShift Platform Plus clusters. There were no multiple-choice questions — candidates configured RHACM hubs, imported managed clusters, authored Policy and Placement objects, deployed RHACS, configured Quay, and met objective criteria graded by automated and manual checks.

What were the EX480 prerequisites?

Red Hat strongly recommended three courses or equivalent experience: Red Hat OpenShift Administration II (DO280, EX280 exam), Red Hat OpenShift Administration III (DO380, EX380 exam), and Multicluster Management with Red Hat OpenShift Platform Plus (DO480). EX480 assumed strong oc CLI fluency and hands-on OpenShift cluster operations experience.

What products are tested on EX480?

EX480 covered four flagship Red Hat products bundled in OpenShift Platform Plus: Red Hat Advanced Cluster Management for Kubernetes (RHACM), Red Hat Advanced Cluster Security for Kubernetes (RHACS, formerly StackRox), Red Hat Quay container registry, and OpenShift Data Foundation (ODF, formerly OpenShift Container Storage). It also tested OpenShift GitOps (Argo CD), Submariner, and Kustomize integration.

How does EX480 compare to EX432?

EX432 is the active successor and focuses specifically on RHACM (the ACM-only specialist credential). EX480 was broader — it added RHACS, Quay, and ODF on top of ACM. Candidates studying EX480 material today should know that EX432 narrows scope to ACM cluster lifecycle, applications, governance/policy, and observability, while RHACS competencies are increasingly tracked through dedicated security training.

How long should I study for EX480 or its successor?

Plan 120-180 hours of hands-on practice across 12-16 weeks. Build a hub cluster, import at least two managed clusters, deploy MultiClusterObservability with Thanos and an S3-compatible bucket, install RHACS with Central and Sensor, deploy Quay via the Operator, and run end-to-end timed mock labs that exercise Policy, Subscription, ApplicationSet, and Placement objects together.

What jobs benefit from EX480 multicluster skills?

Multicluster OpenShift skills target Platform Engineer ($130-180K), Senior SRE ($140-200K), Cloud Security Architect ($150-220K), and DevSecOps Lead ($140-200K) roles in regulated industries (banking, telecom, healthcare, government) where OpenShift Platform Plus is the dominant Kubernetes stack. The credential demonstrates fleet-scale operational maturity that single-cluster certifications do not.