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Which AWS service is a managed NoSQL key-value and document database with single-digit-millisecond latency at any scale, often used by Lambda functions for state?
AAWS Snowball
BAmazon Cognito
CAmazon DynamoDB
DAmazon RDS for MySQL
Answer & Solution
Correct answer: C. Amazon DynamoDB
DynamoDB is the managed NoSQL store — Lambda + DynamoDB is the textbook serverless data pattern. RDS is relational, Snowball is offline data transfer, Cognito handles user identity.
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