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AWS Certified Big Data Specialty (Expired on July 1, 2020) Exam Questions

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AWS Certified Big Data Specialty (Expired on July 1, 2020)

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Question 228:

Valu$ Is an online retail store provides a powerful online marketplace platform that allows its buyers enjoy highly secure and convenient shopping experience. Valu$ runs an online web application to process business transactions, uses Kinesis streams as a backbone, KPL with aggregation for data ingestion and KCL to load data into DynamoDB. The administrator observed lot of duplicate data loaded into the table, analysed and identified that duplication of data is happening in Kinesis streams. Which of the following option could be possible reasons?
Select 2 options

Answer options:

A.Usage of default sequence number scheme in KPL to uniquely identify your KPL user records while loading
B.KPL Retry mechanism
C.Time to Live
D.Rate Limiting