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Claude Certified Architect - Foundations (CCAR-F) · Anthropic
Select one answer.
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The question is "improves tool selection" so the answer is A
C is post-mortem, agent already selected a tool. A is the only thing that acts before tool call
C is the only option that makes the policy violation structurally impossible rather than merely less likely, matching the "hard constraint → deterministic enforcement" principle established for exactly this kind of scenario earlier in this set.