OCI GenAI Pro Practice Questions - Oracle Cloud Infrastructure 2025 Generative AI Professional Exam

Which statement best describes the difference between encoder-only and decoder-only Transformer architectures?

Decoder-only models cannot be used for retrieval, only encoder-decoder models can Encoder-only models are always larger than decoder-only models Encoder-only models like BERT produce bidirectional embeddings; decoder-only models like Llama generate text autoregressively Encoder-only and decoder-only models share identical training objectives

Correct Answer:

Encoder-only models like BERT produce bidirectional embeddings; decoder-only models like Llama generate text autoregressively

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