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.
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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
goldenkube start cka-arc-006
Restrict ingress to database pods so only client pods may reach them on a single TCP port.
Two nodes · ~9 min · 7 points
goldenkube start cka-net-003
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
goldenkube start cka-net-004
Attach an HTTPRoute to an existing Gateway so a path prefix is routed to a Service.
Two nodes · ~9 min · 7 points · Gateway API
goldenkube start cka-net-005
Taint a worker node and run a Pod that tolerates the taint and is placed on that node.
Two nodes · ~7 min · 6 points
goldenkube start cka-sch-001
Create a headless Service and a StatefulSet whose pod gets its own dynamically provisioned PVC.
Two nodes · ~10 min · 7 points · Storage
goldenkube start cka-sto-004
A worker node reports NotReady; diagnose and restore it without recreating the node.
Two nodes · ~7 min · 7 points
goldenkube start cka-trb-001
The kubelet on a worker refuses to start; find the misconfiguration and fix it on the node.
Two nodes · ~8 min · 7 points
goldenkube start cka-trb-002
A worker is NotReady although its kubelet runs; find the underlying runtime problem and fix it.
Two nodes · ~6 min · 6 points
goldenkube start cka-trb-004
A Service forwards nowhere; find the mismatch and fix the Service only.
Two nodes · ~6 min · 6 points
goldenkube start cka-trb-006
A Deployment pinned to one node cannot schedule; find the node-level cause and fix it.
Two nodes · ~5 min · 6 points
goldenkube start cka-trb-007
goldenkube doctor.goldenkube login (free account).goldenkube submit.Grading happens on your machine and is practice feedback, not an official score. Tasks are public; hints, reference solutions and grader internals are not.