DP-203 · Question #94
You are designing a solution that will copy Parquet files stored in an Azure Blob storage account to an Azure Data Lake Storage Gen2 account. The data will be loaded daily to the data lake and will…
The correct answer is B. Filter by the last modified date of the source files. D. Specify a file naming pattern for the destination. Copy only the daily files by using filtering. https://docs.microsoft.com/en-us/azure/data-factory/connector-azure-data-lake-storage
Question
You are designing a solution that will copy Parquet files stored in an Azure Blob storage account to an Azure Data Lake Storage Gen2 account. The data will be loaded daily to the data lake and will use a folder structure of {Year}/{Month}/{Day}/. You need to design a daily Azure Data Factory data load to minimize the data transfer between the two accounts. Which two configurations should you include in the design? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point.
Options
- ADelete the files in the destination before loading new data.
- BFilter by the last modified date of the source files.
- CDelete the source files after they are copied.
- DSpecify a file naming pattern for the destination.
How the community answered
(46 responses)- A15% (7)
- B74% (34)
- C11% (5)
Explanation
Copy only the daily files by using filtering. https://docs.microsoft.com/en-us/azure/data-factory/connector-azure-data-lake-storage
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