微软MCAD 70-310 实战百题
题目内容

You develop an ADO.NET application that uses a Microsoft SQL Server database and a SqlClient data provider. Your application includes the following four code segments, which are each called once:Dim MyConnection 1 As New SqlConnection () MyConnectionl.Connectionstring = "Data Source=" & "ProdServer;Initial Catalog=Billing/& "Integrated Security=true"MyConnectionl.Open ()Dim MyConnection2 As New SqlConnection() MyConnection2.Connectionstring = "DataSource=" & "ProdServer;Initial Catalog=Billing;& "Integrated Security=true"MyConnection2.Open ()Dim MyConnection3 As New SqlConnection() MyConnection3.Connectionstring = "Data Source=" & "SearchServer;Initial Catalog=Search;& "Integrated Security=true"MyConnection3.Open()Dim MyConnectionl As New SqlConnection() MyConnectionl.Connectionstring ="Data Source=" & "ProdServer;Initial Catalog=OrderEntry;"& "Integrated Security=true"MyConnection4.Open()You verify that your application is the only application that is using SQL Server. Your application runs all code segments by using the same identity.You run the application. Connection pooling is enabled, and the entire application run within the connection timeout parameter.How many connection pools are created?

2021-12-25

A.One

B.Two

C.Three

D.Four

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