Microsoft Exam DP-201 Topic 4 Question 12 Discussion

Do you need serving storage that can serve as a hot path for your data? If yes, narrow your options to those that are optimized for a speed serving layer. This would be Cosmos DB among the options given in this question.

Note: Analytical data stores that support querying of both hot-path and cold-path data are collectively referred to as the serving layer, or data serving storage.

There are several options for data serving storage in Azure, depending on your needs:

Azure Synapse Analytics

Azure Cosmos DB

Azure Data Explorer

Azure SQL Database

SQL Server in Azure VM

HBase/Phoenix on HDInsight

Hive LLAP on HDInsight

Azure Analysis Services

https://docs.microsoft.com/en-us/azure/architecture/data-guide/technology-choices/analytical-data-stores