AnthropicClaude Models, Prompting, and Context Engineering

Model Routing & Governance — CCAR-P Practice Question

A representative Claude Certified Architect - Professional (CCAR-P) exam question on Model Routing & Governance. Work through it below, then read why each option is right or wrong.

Short answer

The correct answer is C. Per-route eval thresholds, fallback behavior, observability, and change control for model or policy updates.

Routing introduces a policy layer that can change quality and risk. It needs validated thresholds, monitored decisions, controlled fallbacks, and versioned changes.

The Question

A global platform wants to route requests among Claude models by task difficulty. What must accompany the router before production release?

ARouting based only on prompt length

BA promise that cheaper models are good enough

CPer-route eval thresholds, fallback behavior, observability, and change control for model or policy updatesCorrect

DA random fallback model

Why C is correct

Routing introduces a policy layer that can change quality and risk. It needs validated thresholds, monitored decisions, controlled fallbacks, and versioned changes.

Why the other options are wrong

Option A: Routing based only on prompt length

Option A does not satisfy the requirement in the scenario. Review the explanation above: the correct choice (C) is the only one that fully meets every constraint stated in the question.

Option B: A promise that cheaper models are good enough

Option B does not satisfy the requirement in the scenario. Review the explanation above: the correct choice (C) is the only one that fully meets every constraint stated in the question.

Option D: A random fallback model

Option D does not satisfy the requirement in the scenario. Review the explanation above: the correct choice (C) is the only one that fully meets every constraint stated in the question.

Key idea: Model Routing & Governance

Routing introduces a policy layer that can change quality and risk. It needs validated thresholds, monitored decisions, controlled fallbacks, and versioned changes. On the CCAR-P exam, questions in the "Claude Models, Prompting, and Context Engineering" domain test whether you can map a scenario's constraints to the right choice. Read the requirement carefully, eliminate options that violate any single constraint, and pick the one that satisfies all of them with the least operational overhead.

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