# Modül 11 Bitirme Sınavı

> Source: https://sukruyusufkaya.com/learn/prompt-caching-context-engineering/pcce-77-modul-11-bitirme
> Updated: 2026-08-15T10:53:34.681Z
> Category: Prompt Caching & Context Engineering
> Module: 11. Production Economics & Observability
**TLDR:** Cost modeling, TTL, cache warming, monitoring, observability, A/B testing'i kapatma sınavı.