OCI-2026-GENERATIVE-AI-PROFESSIONALOCI 2026 Generative AI Professionalpractice test

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In a decoder-only large language model, what is the main role of self-attention during text generation?

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A. It stores the full training corpus as a lookup table of exact answers
B. It assigns each token a fixed importance score that never changes between prompts
C. It lets each token weigh the other tokens in the context
D. It removes low-frequency words from the prompt before the model reads it

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