You need to import 5 TB into Subscription1 by using an Azure Import/Export job. Which of these can be the import destination?

Azure Import/Export is designed to transfer large amounts of data into or out of Azure Blob storage and Azure Files. Therefore, Azure Blob storage is the correct destination for importing 5 TB of data using this service. Azure Cosmos DB is a NoSQL database service, not a storage target for Import/Export. Azure Data Lake Store (now Azure Data Lake Storage Gen2) is a storage solution, but the Import/Export service specifically targets Azure Blob storage and Azure Files for data transfer. Azure Data Factory is a data integration service used for orchestrating data movement and transformation, not a direct storage destination for the Import/Export service.