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Multiple Choice Flashcards

Practice multiple choice certification questions for Certified Data Science Practitioner - CDSP and review the explanation after each answer.

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Review the keyed rationale after answering so the correct CertNexus service choice and each distractor stay connected.

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Answer, inspect the rationale, then repeat.

Large answer targets and a focused review step keep the current CertNexus objective at the center of the session.

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Flashcard Practice Certified Data Science Practitioner - CDSP Multiple Choice

A payments company has millions of merchant descriptors, frequent new values, and strict memory limits. Which encoding approach should be evaluated?

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Ordinal encoding based on descriptor string length Full one-hot encoding of every observed and future descriptor Hash encoding with an appropriate dimension, collision review, and validation monitoring Manual integer codes assigned by analysts during live scoring

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