This is the only option available in SQL Server standard edition. Choose this option to use this SQL Server instance as a ...

This is the only option available in SQL Server standard edition. Choose this option to use this SQL Server instance as a Compute node in a PolyBase Scale-out group. Selecting this option will open Firewall on this machine to allow incoming connections to SQL Server Database Engine, SQL Server PolyBase services and SQL Browser. Selecting this option will also enable MSDTC firewall connections and modify MSDTC registry settings.