Azure SQL Database is the collective term for Microsoft's SQL Server Platform-as-a-Service (PaaS) offering. It's fully managed and gives organizations a highly performing, reliable, and secure, general purpose relational database engine in the cloud. There are several tools available which are recommended to be used in the discovery, planning, and assessment stage of your migration to Azure SQL Database. Which of the following is best described as "Used in the discovery stage to confirm the source environment that you're migrating from" ?