Knowledge Check

Prompt cache evidence

While reviewing LLM serving cost latency, long identical instructions repeat each request. Which action fixes it, and which check proves it worked?

What this task practices

Prompt cache evidence is a knowledge check interview exercise that trains prompt interpretation, explicit assumptions, a concrete response, and a clear explanation of tradeoffs. The catalog marks it as hard difficulty. It focuses on Llm Serving Cost Latency, Prompt Cache. The signed-in workspace provides the tools for the round and evaluates the attempt against task-specific criteria. Reference solutions, hidden checks, evaluator instructions, and candidate work remain private.