Microsoft
70-516 · Question #118
70-516 Question #118: Real Exam Question with Answer & Explanation
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Question
You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4.0 to create an application. The application connects to a Microsoft SQL Server 2008 database. The database includes a table named dbo.Documents that contains a column with large binary data. You are creating the Data Access Layer (DAL). You add the following code segment to query the dbo.Documents table. (Line numbers are included for reference only.) 01 public void LoadDocuments(DbConnection cnx) 02 { 03 var cmd = cnx.CreateCommand(); 04 cmd.CommandText = "SELECT * FROM dbo.Documents"; 05 ... 06 cnx.Open(); 07 ... 08 ReadDocument(reader); 09 } You need to ensure that data can be read as a stream. Which code segment should you insert at line 07?
Options
- Avar reader = cmd.ExecuteReader(CommandBehavior.Default);
- Bvar reader = cmd.ExecuteReader(CommandBehavior.SchemaOnly);
- Cvar reader = cmd.ExecuteReader(CommandBehavior.KeyInfo);
- Dvar reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess);
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