I sat this exam in July 2026 and cleared it. Here is every domain in plain language, what the questions actually look like, and the five reflexes that answer the ones you haven't seen.

A practical 2026 playbook of 10 techniques to reduce AI token usage — prompt caching, model routing, batch APIs, and context hygiene — with benchmarks showing 60–90% cost cuts on real coding workloads.

The evolution of Claude from a chatbot to an agentic ecosystem does not render the human obsolete; it makes human expertise more vital than ever.