Question: s e (5) Jackie is designing an ETL process that pulls data from four different source systems. Examining the source data, she sees that data

e (5) Jackie is designing an ETL process that pulls data from four different source systems. Examining the source data, she sees that data about people exists in three of the four "systems. What does she have to ensure that her ETL accounts for? (Choose the best answer.) A Redundant data B Duplicate data Cc Missing data D | Invalid data

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