Tagged: certification
6 posts
Prometheus PCA and OpenTelemetry OTCA, reviewed
Two multiple-choice, $250 CNCF associate exams for observability: Prometheus PCA leans on PromQL, OTCA leans on the OpenTelemetry API and SDK. Here's an honest read on both, and which to take first.
CKA exam day: PSI bridge, terminal, kubectl aliases
The logistics nobody mentions until exam day: PSI Secure Browser setup, what the exam terminal actually gives you, kubectl aliases worth memorizing, and how to manage the clock.
What the CKA actually tests in 2026
The CKA is a live-terminal, performance-based exam against real clusters, not multiple choice. Here's the format, what it actually covers, how to practice, and where people lose time.
Is KCNA worth $250 as a first certification
KCNA is multiple choice, has no prerequisite, and is the cheapest cert in the Linux Foundation catalog. Here's what it actually covers, and who should skip it entirely.
The Kubestronaut path and what it really costs
Kubestronaut means holding five CNCF certifications at once: KCNA, KCSA, CKA, CKAD, and CKS. Here's the real cost breakdown, a realistic study timeline, and who it's actually for.
CKA vs CKAD vs CKS: which to take first
CKA, CKAD, and CKS all share the same live-terminal format and the same $445 price tag, but they certify very different jobs. Here's who each one is for and what order makes sense.