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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) { sqlTran.Rollback(); Trace.WriteLine(ex.Message); }
D) sqlTran.Commit(); } catch (Exception ex) { Trace.WriteLine(ex.Message); try { sqlTran.Rollback(); } catch (Exception exRollback) { Trace.WriteLine(exRollback.Message); } } }

2. You use Microsoft Visual Studio 2010 and Microsoft ADO.NET Framework 4 to create an application. The application connects to a Microsoft SQL Server 2008 database. You use the ADO.NET LINQ to SQL model to retrieve data from the database. You use stored procedures to return multiple result sets. You need to ensure that the result sets are returned as strongly typed values. What should you do?

A) Apply the ParameterAttribute to the stored procedure function. Use the GetResult <TElement> method to obtain an enumerator of the correct type.
B) Apply the FunctionAttribute and ResultTypeAttribute to the stored procedure function. Use the GetResult <TElement> method to obtain an enumerator of the correct type.
C) Apply the FunctionAttribute and ParameterAttribute to the stored procedure function and directly access the strongly typed object from the results collection.
D) Apply the ResultTypeAttribute to the stored procedure function and directly access the strongly typed object from the results collection.

3. You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create an application. You use the ADO.NET Entity Data Model (EDM) to define a Customer entity. You need to add a new Customer to the data store without setting all the customer's properties. What should you do?

A) Override the Create method for the Customer object.
B) Override the SaveChanges method for the Customer object.
C) Call the Create method of the Customer object.
D) Call the CreateObject method of the Customer object.

4. You deploy an ASP.NET application to an IIS server.
You need to log health-monitoring events with severity level of error to the Windows application event log.
What should you do?

A) Add the following rule to the <healthMonitoring/> section of the web.config file. <rules> <add name="Errors" eventName="All Errors" provider="EventLogProvider" /> </rules>
B) Run the aspnet_regiis.exe command.
C) Set the Treat warnings as errors option to All in the project properties and recompile.
D) Add the following rule to the <healthMonitoring/> section of the web.config file. <rules> <add name="Failures"
eventName="Failure Audits"
provider="EventLogProvider" />
</rules>

5. A WCF service code is implemented as follows. (Line numbers are included for reference only.)
For interactive and self-paced preparation of exam 70-513, try our practice exams.
Practice exams also include self assessment and reporting features!
01 <ServiceContract()>
02 <ServiceBehavior(
03InstanceContextMode:=InstanceContextMode.Single)>
04Public Class CalculatorService
05
06 <OperationContract()>
07Public Function Calculate(ByVal op1 As Double,
08ByVal op As String, ByVal op2 As Double) As Double
...
24End Function
25
26End Class
You need to increase the rate by which clients get the required response from the service.
What are two possible ways to achieve this goal? (Each correct answer presents a complete solution.
Choose two.)

A) Require the clients to use async operations when calling the service.
B) Change the service behavior to the following. <ServiceBehavior(InstanceContextMode:=InstanceContextMode.PerCall)>
C) Change the service behavior to the following. <ServiceBehavior( InstanceContextMode:=InstanceContextMode.Single, ConcurrencyMode:=ConcurrencyMode.Multiple)>
D) Require the clients use threads, the Parallel Task Library, or other mechanism to issue service calls in parallel.

Solutions:

Question # 1 Answer: D

Question # 2 Answer: B

Question # 3 Answer: D

Question # 4 Answer: A

Question # 5 Answer: B,C