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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 updates several Microsoft SQL Server databases within a single transaction. You need to ensure that after a resource failure, you can manage unresolved transactions. What should you do?

A) Call the EnlistDurable method of the Transaction class.
B) Call the EnlistVolatile method of the Transaction class.
C) Call the RecoveryComplete method of the TransactionManager class.
D) Call the Reenlist method of the TransactionManager class.

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

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

4. You are moving a Windows Communication Foundation (WCF) service into production.
You need to be able to monitor the health of the service. You only want to enable all performance counter
instances exposed by the ServiceModelService 4.0.0.0 counter group.
Which element should you add to the system.serviceModel section in the application configuration file?

A) <diagnostics wmiProviderEnabled="true" />
B) <diagnostics performanceCounters="ServiceOnly" />
C) <diagnostics performanceCounters="All" />
D) <diagnostics wmiProviderEnabled="true" performanceCounters="Off" />

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

Solutions: