Exam-style tasks for the performance-based certifications, run on a real kubeadm cluster on your own Mac with the GoldenKube CLI and graded locally. Each card shows the task's domain, the cluster topology it needs, the recommended time and its points; the detail page has the full task text.
CKACluster Architecture, Installation & ConfigurationMedium
Grant a ServiceAccount read access to pods in one namespace using a Role and a RoleBinding.
Single node · ~6 min · 6 points
- rbac
- role
- rolebinding
- serviceaccount
- namespace
goldenkube start cka-arc-001
CKACluster Architecture, Installation & ConfigurationMedium
Grant a namespaced ServiceAccount cluster-wide read access to nodes using a ClusterRole and ClusterRoleBinding.
Single node · ~6 min · 6 points
- rbac
- clusterrole
- clusterrolebinding
- serviceaccount
- nodes
goldenkube start cka-arc-002
CKACluster Architecture, Installation & ConfigurationMedium
Take a snapshot of the cluster's etcd datastore and store it as a file on the control plane node.
Single node · ~8 min · 6 points
- etcd
- backup
- etcdctl
- control-plane
goldenkube start cka-arc-003
CKACluster Architecture, Installation & ConfigurationMedium
Run a Pod directly through the kubelet by placing a manifest in the static pod directory.
Single node · ~7 min · 6 points
- static-pod
- kubelet
- control-plane
- manifests
goldenkube start cka-arc-005
CKACluster Architecture, Installation & ConfigurationMedium
Safely take a worker node out of service by cordoning it and evicting its workload pods without deleting the node.
Two nodes · ~7 min · 7 points
- drain
- cordon
- maintenance
- eviction
- daemonset
goldenkube start cka-arc-006
CKACluster Architecture, Installation & ConfigurationMedium
Add a chart repository and install a chart as a named release into a namespace using Helm.
Single node · ~10 min · 7 points
- helm
- package-management
- release
goldenkube start cka-arc-007
CKAServices & NetworkingMedium
Restrict ingress to database pods so only client pods may reach them on a single TCP port.
Two nodes · ~9 min · 7 points
- networkpolicy
- ingress
- cilium
- networking
- security
goldenkube start cka-net-003
CKAServices & NetworkingMedium
Create an Ingress that routes a hostname and path prefix to an existing Service through the nginx IngressClass.
Two nodes · ~8 min · 7 points · Ingress
- ingress
- ingressclass
- nginx
- networking
goldenkube start cka-net-004
CKAServices & NetworkingMedium
Attach an HTTPRoute to an existing Gateway so a path prefix is routed to a Service.
Two nodes · ~9 min · 7 points · Gateway API
- gateway-api
- httproute
- gateway
- networking
goldenkube start cka-net-005
CKAWorkloads & SchedulingMedium
Taint a worker node and run a Pod that tolerates the taint and is placed on that node.
Two nodes · ~7 min · 6 points
- taint
- toleration
- scheduling
- nodename
goldenkube start cka-sch-001
CKAWorkloads & SchedulingMedium
Create a Deployment whose replicas are guaranteed to land on different nodes.
Three nodes · ~8 min · 6 points
- scheduling
- topology-spread
- pod-anti-affinity
- deployment
goldenkube start cka-sch-002
CKAStorageMedium
Create a PersistentVolumeClaim on a named StorageClass and mount it in a Pod.
Single node · ~7 min · 6 points · Storage
- storage
- pvc
- storageclass
- volume
goldenkube start cka-sto-001
CKAStorageMedium
Create a hostPath PersistentVolume and a PersistentVolumeClaim that binds to it.
Single node · ~7 min · 6 points
goldenkube start cka-sto-002
CKAStorageMedium
Make an existing StorageClass the cluster default and provision a PVC without naming a class.
Single node · ~8 min · 6 points · Storage
- storage
- storageclass
- default
- pvc
goldenkube start cka-sto-003
CKAStorageMedium
Create a headless Service and a StatefulSet whose pod gets its own dynamically provisioned PVC.
Two nodes · ~10 min · 7 points · Storage
- storage
- statefulset
- headless
- volumeclaimtemplate
- pvc
goldenkube start cka-sto-004
CKATroubleshootingMedium
A worker node reports NotReady; diagnose and restore it without recreating the node.
Two nodes · ~7 min · 7 points
- troubleshooting
- node
- kubelet
- notready
goldenkube start cka-trb-001
CKATroubleshootingMedium
The kubelet on a worker refuses to start; find the misconfiguration and fix it on the node.
Two nodes · ~8 min · 7 points
- troubleshooting
- node
- kubelet
- systemd
- configuration
goldenkube start cka-trb-002
CKATroubleshootingMedium
A worker is NotReady although its kubelet runs; find the underlying runtime problem and fix it.
Two nodes · ~6 min · 6 points
- troubleshooting
- node
- containerd
- cri
- kubelet
goldenkube start cka-trb-004
CKATroubleshootingMedium
A Service forwards nowhere; find the mismatch and fix the Service only.
Two nodes · ~6 min · 6 points
- troubleshooting
- service
- selector
- endpoints
goldenkube start cka-trb-006
CKATroubleshootingMedium
A Deployment pinned to one node cannot schedule; find the node-level cause and fix it.
Two nodes · ~5 min · 6 points
- troubleshooting
- scheduling
- cordon
- pending
- nodeselector
goldenkube start cka-trb-007
CKATroubleshootingMedium
A Deployment's containers keep exiting; find out why and make them stay running.
Single node · ~6 min · 6 points
- troubleshooting
- crashloopbackoff
- deployment
- logs
goldenkube start cka-trb-008
CKAWorkloads & SchedulingMedium
Create a ConfigMap and a Secret and consume them from a Pod as an environment variable and a mounted volume.
Single node · ~8 min · 6 points
- configmap
- secret
- pod
- env
- volume
- workloads
goldenkube start cka-wkl-003