CCARF Practice Question

Paper 1 · Question 8

D1 Agentic Architecture & Orchestration · Paper 1

Production data shows that in 8% of cases, a customer support agent processes refunds without verifying account ownership, occasionally leading to refunds on wrong accounts. What is the most appropriate fix?

• A.Implement a programmatic prerequisite gate that blocks process_refund until get_customer has returned a verified customer ID
• B.Add stronger instructions to the system prompt emphasising the importance of verification before refunds
• C.Add few-shot examples showing the correct verification-then-refund workflow
• D.Implement a routing classifier that sends refund requests to a specialised verification pipeline

Show answer & explanations

Correct answer: A

A: Financial operations require deterministic enforcement. A prerequisite gate physically prevents the refund tool from executing until identity verification is complete, eliminating the 8% failure rate entirely.

B: The current system prompt already instructs verification but fails 8% of the time. Enhanced prompts reduce but do not eliminate the failure rate. Financial operations require deterministic guarantees.

C: Few-shot examples improve consistency but still have a non-zero failure rate. For financial operations, probabilistic improvements are insufficient.

D: A routing classifier handles request routing, not per-agent workflow enforcement. The issue is within the agent's execution sequence, not how requests reach it.

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