070-561 Free Dumps Study Materials
Question 27: You create an application by using the Microsoft .NET Framework 3.5 and Microsoft ADO.NET.
You need to ensure that the application can connect to any type of database.
What should you do?
A. Set the database driver name in the connection string of the application, and then create the
connection object in the following manner.
Dim connection As DbConnection = _ New OdbcConnection(connectionString)
B. Set the database provider name in the connection string of the application, and then create the
connection object in the following manner.
Dim connection As DbConnection = _ New OleDbConnection(connectionString)
C. Create the connection object in the following manner.
Dim factory As DbProviderFactory = _ DbProviderFactories.GetFactory("System.Data.Odbc")
Dim connection As DbConnection = _ factory.CreateConnection()
D. Create the connection object in the following manner.
Dim factory As DbProviderFactory = _ DbProviderFactories.GetFactory(databaseProviderName)
Dim connection As DbConnection = factory.CreateConnection()
Correct Answer: D