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DP-203 · Question #68

You have an Azure Data Lake Storage account that has a virtual network service endpoint configured. You plan to use Azure Data Factory to extract data from the Data Lake Storage account. The data will

The correct answer is B. managed identity authentication. https://docs.microsoft.com/en-us/azure/data-factory/connector-azure-sql-data-warehouse#use- polybase-to-load-data-into-azure-sql-data-warehouse

Submitted by luis.pe· Mar 30, 2026Secure, monitor, and optimize data storage and data processing

Question

You have an Azure Data Lake Storage account that has a virtual network service endpoint configured. You plan to use Azure Data Factory to extract data from the Data Lake Storage account. The data will then be loaded to a data warehouse in Azure Synapse Analytics by using PolyBase. Which authentication method should you use to access Data Lake Storage?

Options

  • Ashared access key authentication
  • Bmanaged identity authentication
  • Caccount key authentication
  • Dservice principal authentication

How the community answered

(41 responses)
  • A
    7% (3)
  • B
    78% (32)
  • C
    12% (5)
  • D
    2% (1)

Explanation

https://docs.microsoft.com/en-us/azure/data-factory/connector-azure-sql-data-warehouse#use- polybase-to-load-data-into-azure-sql-data-warehouse

Topics

#managed identity#ADLS Gen2 authentication#ADF connectivity#PolyBase

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