Final Exam

This final exam covers the whole course, from the container and auto-configuration to transactions, security, testing, and production. The bank holds 64 questions, four from each chapter, and each attempt draws twenty-five, adapting to your answers as you go. Many questions join two ideas in one decision, such as a self-call that skips both a transaction and a cache, or a retry that repeats a payment that was not idempotent. Before you start, have ready how proxies apply annotations, how propagation and rollback rules decide what commits, and which test slice fits which layer