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Microsoft

AZ-900 · Question #194

A company needs to store 2 TB worth of data that is infrequently used. The data needs to be accessed via Power BI. Which of the following could be used as a cost-effective data layer for this requirem

The correct answer is D. Azure Data Lake. If you are looking at storing data that is not frequently used, you can use the Azure Data Lake You should use Azure SQL, Azure PostgreSQL or Cosmos DB for frequently accessed data. https://docs.microsoft.com/en-us/power-bi/service-dataflows-connect-azure-data-lake-storage-

Submitted by skyler.x· Mar 5, 2026Describe Azure Architecture and Services

Question

A company needs to store 2 TB worth of data that is infrequently used. The data needs to be accessed via Power BI. Which of the following could be used as a cost-effective data layer for this requirement?

Exhibit

AZ-900 question #194 exhibit

Options

  • AAzure SQL databases
  • BAzure PostgreSQL
  • CAzure Cosmos DB
  • DAzure Data Lake

How the community answered

(41 responses)
  • A
    5% (2)
  • B
    12% (5)
  • C
    2% (1)
  • D
    80% (33)

Explanation

If you are looking at storing data that is not frequently used, you can use the Azure Data Lake You should use Azure SQL, Azure PostgreSQL or Cosmos DB for frequently accessed data. https://docs.microsoft.com/en-us/power-bi/service-dataflows-connect-azure-data-lake-storage-

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