Microsoft 70-523

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Microsoft UPG:Transition MCPD.NET Frmwrk 3.5 Web Dev to 4 Web Dev Sample Questions:

1. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. The
application connects to a Microsoft SQL Server database. You write the following code segment that
executes two commands against the database within a transaction. (Line numbers are included for
reference only.)
01using (SqlConnection connection = new SqlConnection(cnnStr)) {
02connection.Open();
03SqlTransaction sqlTran = connection.BeginTransaction();
04SqlCommand command = connection.CreateCommand();
05command.Transaction = sqlTran;
06try {
07command.CommandText = "INSERT INTO Production.ScrapReason(Name) VALUES('Wrong size')";
08command.ExecuteNonQuery();
09command.CommandText = "INSERT INTO Production.ScrapReason(Name) VALUES('Wrong color')";
10command.ExecuteNonQuery();
11
12}
You need to log error information if the transaction fails to commit or roll back.
Which code segment should you insert at line 11?

A) catch (Exception ex) { sqlTran.Rollback(); Trace.WriteLine(ex.Message); } finaly { try { sqltran.commit( ); } catch (Exception exRollback) { Trace.WriteLine(excommit.Message); }}
B) catch (Exception ex){ Trace.WriteLine(ex.Message); try{ sqlTran.Rollback(); } catch (Exception exRollback){ Trace.WriteLine(exRollback.Message); }} finaly { sqltran.commit( );}}
C) sqlTran.Commit(); } catch (Exception ex) { Trace.WriteLine(ex.Message); try {
sqlTran.Rollback();
}
catch (Exception exRollback) {
Trace.WriteLine(exRollback.Message);
} } }
D) sqlTran.Commit(); } catch (Exception ex) { sqlTran.Rollback(); Trace.WriteLine(ex.Message); }

2. You have an ASP.NET Web Forms application for processing orders.
Many users of the application submit their order forms multiple times due to incorrectly formatted credit
card information.
You need to plan for validation of the length and format of data in the credit card field on the client side prior
to processing each transaction.
Which approach should you recommend?

A) Use a RequiredFieldValidator control and a RegularExpressionValidator control.
B) Use a CustomValidator control in the Page_Load method.
C) Use a RequiredFieldValidator control and a CompareValidator control.
D) Use a CustomValidator control in the OnServerValidate method.

3. You are designing an ASP.NET Web application by using Microsoft Visual Studio 2010. The Web
application uses dynamic HTML (DHTML).
You need to ensure that the application functions properly on multiple browser platforms without requiring
the installation of a client-side component.
Which two approaches could you recommend? (Each correct answer presents a complete solution.
Choose two.)

A) Use Microsoft Visual Basic Scripting Edition (VBScript).
B) Use jQuery.
C) Use Microsoft Silverlight.
D) Use the ASP.NET Ajax Library.

4. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. The
application connects to a Microsoft SQL Server database. The application uses the following object query
to load a product from the database. (Line numbers are included for reference only.)
01using (AdventureWorksEntities advWorksContext = new AdventureWorksEntities())
02{
03ObjectQuery <Product> productQuery = advWorksContext.Product.Where("it.ProductID = 900");
04
05}
You need to log the command that the query executes against the data source. Which code segment
should you insert at line 04?

A) Trace.WriteLine(productQuery.CommandText);
B) Trace.WriteLine(productQuery.ToString());
C) Trace.WriteLine(productQuery.ToTraceString());
D) Trace.WriteLine(((IQueryable)productQuery).Expression);

5. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. The application uses the ADO.NET Entity Framework to model entities. The application allows users to make changes while disconnected from the data store. Changes are submitted to the data store by using the SubmitChanges method of the DataContext object. You receive an exception when you call the SubmitChanges method to submit entities that a user has changed in offline mode. You need to ensure that entities changed in offline mode can be successfully updated in the data store. What should you do?

A) Set the ObjectTrackingEnabled property of DataContext to true.
B) Call the SubmitChanges method of DataContext with a value of System.Data.Linq.ConflictMode. ContinueOnConflict.
C) Call the SaveChanges method of DataContext with a value of false.
D) Set the DeferredLoadingEnabled property of DataContext to true.

Solutions: