In the medallion (lakehouse) architecture, what do bronze, silver, and gold layers represent?
A.Raw ingested → cleaned/conformed → business-ready aggregated data
Raw→clean→curated = medallion layers. Correct.
B.Dev → test → production environments
Not environments — data maturity levels.
C.Hot → cool → archive storage tiers
Unrelated to blob access tiers.
D.Free → standard → premium pricing
Not pricing.
Why this answer
Medallion = progressive refinement: bronze holds raw landed data, silver holds cleaned/deduped/conformed data, gold holds business-level aggregates ready for BI — the standard lakehouse data quality pattern.
Correct answer: A · Last reviewed 2026-11-05
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