Objective 2.1 · Domain 2 · 13% of the exam
Select appropriate Claude models based on trade-offs
Model selection across the Claude family, judged on the trade-off the scenario states and not on capability alone. The reasoning has the same shape every time. The largest model is right only when the task genuinely needs it, and a cheaper, faster model is right far more often than instinct suggests, particularly for classification, extraction and routing steps inside a larger pipeline. If a stem gives you a per-request latency budget or a volume figure, that is the constraint deciding the answer.
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The rest of domain 2: Models, Prompting & Context Engineering
This domain is 13% of a scored form, about 8 of the 63 questions, spread across 5 objectives. Drill the whole domain or pick another objective below.
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