Microsoft Azure Solutions Architect Expert AZ-305 Practice Question
An insurance company runs a mission-critical policy administration system on SQL Server 2017 Enterprise Edition. The database uses SQL Agent jobs, cross-database queries, SQL CLR procedures, and Service Broker messaging. To reduce operational overhead, the company will migrate to Azure, requiring automatic backups, built-in high availability, and minimal code changes in a platform as a service (PaaS) model. Which Azure data service should you recommend?
Azure SQL Database elastic pool in the Premium tier
Azure SQL Managed Instance in the General Purpose tier
SQL Server 2022 on an Azure Virtual Machine protected by Azure Backup
Azure SQL Database single database in the Business Critical tier
Azure SQL Managed Instance is a fully managed PaaS offering that delivers near-100 percent compatibility with the on-premises SQL Server engine. It supports key features such as SQL Agent, cross-database queries, SQL CLR, Service Broker, and linked servers, while automatically providing backups, patching, and built-in high availability. Azure SQL Database single databases or elastic pools lack full support for SQL Agent and Service Broker, requiring application changes or external job services. Running SQL Server on an Azure VM offers full feature parity but is an IaaS solution that leaves most administration tasks-backups, patching, and HA configuration-to the customer, conflicting with the requirement for a PaaS service. Therefore, Azure SQL Managed Instance best satisfies all stated constraints.
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Microsoft Azure Solutions Architect Expert AZ-305
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