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Exam NCA-AIIO Topic 1 Question 102 Discussion

Actual exam question for NVIDIA's NCA-AIIO exam
Question #: 102
Topic #: 1
A deep learning model achieves very high ROC-AUC but performs poorly in real-world deployment. Which is the MOST plausible explanation?

Suggested Answer: B Vote an answer

ROC-AUC measures ranking ability rather than decision quality at a fixed threshold. In real deployment, class imbalance and threshold selection can severely degrade actual performance.

by Gustave at Aug 23, 2026, 12:17 PM

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