Multiple Choice Flashcards on 01 CompTIA DataAI / 03 Machine learning / 03 Tr...

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Flashcard Practice CompTIA DataAI Multiple Choice

A company builds a support-ticket classifier with a decision tree, and it splits near the top on ticket_id before performing poorly on new tickets. What is the most likely problem?

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The model learned an identifier pattern that does not generalize The validation set should reuse the same ticket identifiers The tree cannot model categorical features under any encoding The target label should be derived from ticket_id

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