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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){ Trace.WriteLine(ex.Message); try{ sqlTran.Rollback(); } catch (Exception exRollback){ Trace.WriteLine(exRollback.Message); }} finaly { sqltran.commit( );}}
B) catch (Exception ex) { sqlTran.Rollback(); Trace.WriteLine(ex.Message); } finaly { try { sqltran.commit( ); } catch (Exception exRollback) { Trace.WriteLine(excommit.Message); }}
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 create an ASP.NET page named TestPage.aspx that contains validation controls. You need to verify that all input values submitted by the user have been validated by testing the Page.IsValid property. Which page event should add an event handler to?

A) Load
B) PreInit
C) Init
D) PreLoad

3. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create a Windows Communication Foundation (WCF) Data Services service. You deploy the service to the following URL: http://contoso.com/Northwind.svc. You want to query the WCF Data Services service to retrieve a list of customer objects. You need to ensure that the query meets the following requirements: "Only customers that match the following filter criteria are retrieved: City="Seattle" AND Level > 200. "Data is sorted in ascending order by the ContactName and Address properties. Which URL should you use for the query?

A) http: //contoso.com/Northwind.svc/Customers?City=Seattle & Level gt 200 & $orderby=ContactName, Address
B) http: //contoso.com/Northwind.svc/Customers?$filter=City eq 'Seattle' and Level gt 200 & $orderby=ContactName,Address
C) http: //contoso.com/Northwind.svc/Customers?$filter=City eq 'Seattle' and Level gt 200 & $orderby=ContactName and Address
D) http: //contoso.com/Northwind.svc/Customers?City=Seattle & Level gt 200 & $orderby=ContactName and Address

4. You are dynamically adding controls to an ASP.NET page in the Page_Load event handler. The page will
have text boxes that correspond to the columns in a database table. Each text box will be preceded by a
label that displays the name of the corresponding column.
You need to create the form so that when the user clicks the label, the corresponding text box is selected
for input.
What should you do?

A) For each column, create an asp:Label control and a corresponding asp:TextBox that have the same ID.
B) For each column, create an asp:Label control and set the AssociatedControlID to the ID of the corresponding asp:Textbox control.
C) For each column, output the following HTML, where COL is replaced by the name of the column. <label>COL</label> <input name="COL" type="text" id="COL" />
D) For each column, output the following HTML, where COL is replaced by the name of the column. <label AssociatedControlID="COL">COL</label> <input name="COL" type="text" id="COL" />

5. You are developing a Windows Communication Foundation (WCF) service that reads messages from a public non-transactional MSMQ queue. You need to configure the service to read messages from the failed-delivery queue. Which URI should you specify in the endpoint configuration settings of the service?

A) net.msmq://localhost/msmq$;FailedMessages
B) net.msmq://localhost/system$;DeadXact
C) net.msmq://localhost/system$;DeadLetter
D) net.msmq://localhost/msmq$;DeadLetter

Solutions: