Explanation:
Box 1: Azure Data factory
Relevant Azure service for the three ETL phases are Azure Data Factory and SQL Server Integration Services (SSIS).
Box 2: Azure Synapse Analytics
You can copy and transform data in Azure Synapse Analytics by using Azure Data Factory Note: Azure Synapse Analytics connector is supported for the following activities:
Copy activity with supported source/sink matrix table
Mapping data flow
Lookup activity
GetMetadata activity
Reference:
https://docs.microsoft.com/en-us/azure/architecture/data-guide/relational-data/etl
https://docs.microsoft.com/en-us/azure/data-factory/connector-azure-sql-data-warehouse