Microsoft
70-516 · Question #185
70-516 Question #185: 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 contains the following code segment. (Line numbers are included for reference only.) 01 class DataAccessLayer 02 { 03 private static string connString; 04 ... 05 ... 06 public static DataTable GetDataTable(string command){ 07 ... 08 ... 09 } 10 } You need to define the connection life cycle of the DataAccessLayer class. You also need to ensure that the application uses the minimum number of connections to the database. What should you do?
Options
- AInsert the following code segment at line 04.
- BInsert the following code segment at line 04.
- CReplace line 01 with the following code segment.
- DInsert the following code segment at line 07:
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