AWS DevOps Engineer Professional: What Separates Passers from Failers
An honest look at why DOP-C02 has a 40-50% failure rate, what knowledge gaps cause most failures, and the preparation approach that actually works.
April 2026
March 2026
AZ-400 Azure DevOps Engineer Expert: Dual-Path Study Approach
How to approach AZ-400 based on your background — the dual-path study strategy for developers who know CI/CD but not Azure, and Azure admins who know the infrastructure but not DevOps tooling.
Building a Home Kubernetes Lab for CKA Exam Preparation
CKA lab setup guide: comparing Killercoda, k3s, local VMs, and cloud VMs, kubeadm installation steps, broken-cluster practice scenarios, and the hardware requirements that actually work.
Docker Certified Associate: Is It Still Worth Pursuing in 2025
DCA certification honest assessment for 2025: what it tests, where it still has value, Docker Swarm's decline, comparison with CKAD and CKA, and who should still pursue it.
Terraform Associate: The IaC Certification Most DevOps Engineers Get First
Terraform Associate (003) exam guide: domain breakdown, HCL syntax tested, state management edge cases, count vs for_each, variable precedence, and preparation strategy.