CKS Certified Kubernetes Security Specialist: hardest k8s cert...
CKS exam breakdown: 6 domains, Falco/Trivy/OPA Gatekeeper tools required, CKA prerequisite, 2-year validity, and why it's harder than CKA. Full preparation guide.
March 2026
CKAD vs CKA: what each exam tests and which to take first
CKAD vs CKA comparison: domain weights for both exams, developer vs infrastructure engineer decision, preparation overlap, killer.sh simulator, and which is harder.
CKA exam guide: the kubectl commands you must know cold
CKA exam guide with complete kubectl command reference, etcd backup commands, kubeadm upgrade sequence, imperative vs declarative strategy, and 17-task time management.