Microsoft Azure Solutions Architect Expert AZ-305 Practice Question
Your company has an on-premises SQL Server 2019 instance storing transactional data. The server sits in a secure network that blocks inbound internet traffic but allows outbound HTTPS (TCP 443). You must design an Azure solution that copies data from the database to Azure Data Lake Storage Gen2 every 15 minutes for analytics. The solution must be fully managed, provide scheduling and monitoring, and require no custom code. Which Azure Data Factory integration runtime should you recommend for the copy activity?
Azure-SSIS integration runtime running your existing SSIS packages
Self-hosted integration runtime installed on the on-premises server or a gateway machine
Managed Virtual Network (VNet) data flow runtime in Azure Data Factory
Azure integration runtime (AutoResolve) hosted in the target region
Because the SQL Server instance is hosted on-premises behind a firewall that blocks all inbound traffic, Azure Data Factory cannot initiate a direct connection from the Azure-hosted integration runtime. The correct approach is to install and register a self-hosted integration runtime (SHIR) inside the on-premises network. SHIR establishes only outbound, secure TCP 443 connections to the Azure Data Factory service, satisfying the security constraint while enabling the Copy activity to pull data every 15 minutes. The Azure integration runtime and Managed Virtual Network runtime run in Azure and cannot reach the on-prem server without opening inbound ports or using VPN/ExpressRoute. The Azure-SSIS integration runtime is intended for running existing SSIS packages; it is unnecessary when a code-free Copy activity is sufficient and would add cost and complexity.
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Microsoft Azure Solutions Architect Expert AZ-305
Design data storage solutions
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