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Which Vertex AI capability should an ML Engineer use to evaluate a GENERATIVE-AI solution (LLM-based RAG or fine-tuned LLM) on benchmarks + custom evaluators — referenced in PMLE §2.3?

ACloud Memorystore
BVertex AI gen-AI evaluation services (model-based and rubric-based evaluators in Vertex AI)
CManual eyeballing of a few outputs
DCloud DNS
Answer & Solution
Correct answer: B. Vertex AI gen-AI evaluation services (model-based and rubric-based evaluators in Vertex AI)
Vertex AI gen-AI evaluation is the canonical evaluator (per PMLE §2.3). The other options aren't systematic.
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