Microsoft Azure Architect Design (AZ-304) Practice Test

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Prepare for the Microsoft Azure Architect Design (AZ-304) Exam with comprehensive quiz questions designed to enhance your understanding and confidence. Master essential Azure concepts and strategies to excel on your test day!

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When migrating databases to Azure, which recommendation helps ensure minimal changes to database structure?

Migrate to Azure SQL Database single databases.
Migrate to a SQL Server on Azure virtual machine.
Use Azure SQL Database Managed Instance.
Use Azure SQL Database elastic pools for scalability.

The correct answer is: Use Azure SQL Database Managed Instance.

Using Azure SQL Database Managed Instance is the best approach for ensuring minimal changes to the database structure when migrating to Azure. Managed Instance is designed to provide near-complete compatibility with on-premises SQL Server, which means that many existing features and functionalities are supported without requiring significant modifications to the database schema or application code. This compatibility includes support for SQL Server Agent, cross-database queries, and a wide range of SQL Server features that are essential for many applications. As a result, organizations can migrate their databases with confidence, maintaining their existing structure and reducing the need for comprehensive redesign efforts. In contrast, options such as migrating to a single database might necessitate changes to accommodate different scalability and performance models that are not present in traditional SQL Server environments. Using SQL Server on an Azure virtual machine might provide flexibility, but it requires managing the underlying infrastructure, which could involve more significant changes and ongoing maintenance. Lastly, elastic pools are focused on resource allocation and scalability, which does not directly address the need to maintain the original database structure during migration.