Práctica AWS Certified Machine Learning Engineer Associate Exam Prep Add-On (MLA-C02, beta; MLA-C01 retires September 28, 2026)

An ML engineer is preparing long internal policy PDFs for a RAG knowledge base. Retrieval quality is poor because chunks often cut a clause in half. Which change addresses the root cause?

• AIncrease the embedding model's dimensionality
• BSwitch to a chunking strategy that respects section and clause boundaries, with metadata carried per chunk
• CReduce the number of documents in the knowledge base
• DIncrease the foundation model's temperature