DATABRICKS-DEP Question 47

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• Chose A0

  - Correct answer : A — `ai_query('system.ai/llama-4-70b', 'Classify sentiment as positive, negative, or neutral: ' || ticket_text) AS sentiment` A . Foundation model endpoints take a single STRING request; concatenating an explicit instruction with the column value produces a prompt the model can act on to return a sentiment label. B . A named_struct request is the pattern for custom model-serving endpoints that expose named input features; pay-per-token foundation model endpoints expect a plain STRING prompt, so this call would not classify correctly. C . Passing the raw column value with no instruction text gives the model nothing to classify against, so even though the returnType and failOnError syntax is valid, the model has no directive to produce a sentiment label. D . `model_input` is not a recognized ai_query parameter name; ai_query's parameters are `endpoint` and `request`, so this call raises an error rather than running.