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Hands-on Kubernetes labs

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.

DomainAllCluster Architecture, Installation & ConfigurationServices & NetworkingStorageTroubleshootingWorkloads & Scheduling
DifficultyAllEasyMediumHard
TopologyAllSingle nodeTwo nodesThree nodes

3 of 37 scenarios match · Clear filters

CKAServices & NetworkingMedium

NetworkPolicy: allow ingress from one app only

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

Ingress routing to a Service

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

Gateway API HTTPRoute

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

Exams covered

  • CKA · Certified Kubernetes Administrator · scenarios verified on Kubernetes 1.37 · 37 published scenarios · mock exam: 15 tasks in 120 minutes, pass at 66%

How to run a lab

  1. Install the CLI and Multipass, then run goldenkube doctor.
  2. Sign in with goldenkube login (free account).
  3. Start a scenario with its id, solve the task on the cluster, run 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.