One domain at a time.
Original questions for all 16 certifications in the Golden Kubestronaut lineup. Pick a timed attempt, a quick set of 5 or 10, or study a domain with immediate explanations and documentation links.
Independent study tools, not affiliated with CNCF or the Linux Foundation. The practical certifications use knowledge drills here; they need hands-on lab practice too. The 15 banks contain 60 questions each, so a full attempt covers the whole bank in shuffled order. OTCA has 200 questions.
OTCA
OpenTelemetry Certified Associate
CKA
Certified Kubernetes Administrator
CKAD
Certified Kubernetes Application Developer
CKS
Certified Kubernetes Security Specialist
KCNA
Kubernetes and Cloud Native Associate
KCSA
Kubernetes and Cloud Native Security Associate
PCA
Prometheus Certified Associate
ICA
Istio Certified Associate
CCA
Cilium Certified Associate
CAPA
Certified Argo Project Associate
CGOA
Certified GitOps Associate
CBA
Certified Backstage Associate
KCA
Kyverno Certified Associate
CNPA
Certified Cloud Native Platform Engineering Associate
CNPE
Certified Cloud Native Platform Engineer
LFCS
Linux Foundation Certified System Administrator
Use this as a study guide
- Choose a certification and select Study mode.
- Pick the domains you want to work on. Each answer reveals an explanation and a documentation link.
- Use your results to revisit missed topics, then try a timed attempt without immediate feedback.
- For practical exams, recreate the scenarios in a disposable lab and verify the resulting state.
Progress and history stay in this browser. Question banks and official blueprints can change; check the certification page before booking.