One clear route per certification: learn the fundamentals, practice questions, study exam-specific tips, then simulate the exam with a timed mock — all free.
CKA
Certified Kubernetes Administrator
Cluster administration: architecture, workloads, networking, storage, and troubleshooting — the ops-focused Kubernetes exam.
CKAD
Certified Kubernetes Application Developer
Building and running apps on Kubernetes: pods, deployments, config, probes, and services — the developer-focused exam.
CKS
Certified Kubernetes Security Specialist
Securing Kubernetes: hardening, supply chain, runtime security, and policy — requires an active CKA first.
Terraform Associate
HashiCorp Certified: Terraform Associate
Infrastructure as Code with Terraform: state, providers, modules, and workflow — the foundational HashiCorp exam.