Jackson works as a Programmer for a life insurance company. He creates an application named App1 using Visual Studio .NET. App1 uses a SQL Server database named Database1. Jackson creates a SqlDataAdapter object named Data1 in App1. Jackson wants to ensure that the performance of App1 improves. Which of the following objects will he use in conjunction with the Data1 object when connecting to Database1?

Each correct answer represents a part of the solution. Choose two.