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Which Azure SQL feature should a security engineer enable to obscure sensitive column values (e.g. show '****-****-****-1234' for card numbers) to non-privileged users at query time?

ADisabling row-level security
BDynamic Data Masking
CAzure Cache for Redis
DAzure DNS
Answer & Solution
Correct answer: B. Dynamic Data Masking
Dynamic Data Masking applies query-time field obfuscation (per AZ-500 §3 SQL masking). The other options aren't masking.
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