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Exam NCA-GENM Topic 1 Question 86 Discussion

Actual exam question for NVIDIA's NCA-GENM exam
Question #: 86
Topic #: 1
You're building a multimodal model that takes images and text as input. You notice that your model is heavily biased towards the text modality, essentially ignoring the visual input. Which of the following strategies could you employ to address this modality imbalance? (Select TWO)

Suggested Answer: B,D Vote an answer

Using a modality-specific loss function (B) allows you to explicitly prioritize the visual modality during training. A gating mechanism (D) allows the model to adaptively balance the modalities based on the input. Increasing the learning rate for the text encoder (A) would likely exacerbate the problem. Reducing the size of visual encoder (C) would make things worse. Removing the text modality (E) defeats the purpose of a multimodal system.

by Alvis at Nov 02, 2025, 11:03 PM

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