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Microsoft 070-503 Exam Syllabus Topics:

Microsoft TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation Sample Questions:

Question 1

How do you ensure Clipboard content is available if Service or client application is restarted?

A. Do a Copy() and Paste() to a local file, then when the service is restarted, read text from the local file.
B. Modify service to use [ServiceBehavior(InstanceContextMode=InstanceContextMode. Single)]
C. Apply [DurableService] attribute to service and [DurableOperation] to each method.
D. Increase session timeout to 60 minutes

Question 2

You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You create the following service contract.

You need to ensure that the DoSomething operation is executed by a single thread at a time.
What are two possible service implementations you should use to achieve this goal? (Each correct answer presents a complete solution. Choose two.)

A. Option C
B. Option B
C. Option D
D. Option A

Question 3

You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
The service contains the following code segment
[ServiceContract]
public interface IMyService
{
[OperationContract(IsOneWay=true, ProtectionLevel=ProtectionLevel.None)]
[TransactionFlow(TransactionFlowOption.Allowed)]
void DoSomething();
}
You need to ensure that the DoSomething operation can participate in transactions.
Which code segment should you use to replace the existing operation contract?

A. [OperationContract(IsOneWay=true, ProtectionLevel=ProtectionLevel.Sign)]
[TransactionFlow(TransactionFlowOption.Mandatorv)]
void DoSomething();
B. [OperationContract(IsOneWay=true,
ProtectionLevel=ProtectionLevel.EncryptAndSign)]
[TransactionFlow(TransactionFlowOption.Allowed)]
void DoSomething();
C. [OperationContract(ProtectionLevel= ProtectionLevel.EncryptAndSign)]
[TransactionFlow(TransactionFlowOption.NotAllowed)]
void DoSomething();
D. [OperationContract(ProtectionLevel=ProtectionLevel.None)]
[TransactionFlow(TransactionFlowOption.Allowed)]
void DoSomething();

Question 4

You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. The WCF service must authenticate the client applications by validating credit card numbers and expiry dates.
You write the following code segment. (Line numbers are included for reference only.)

You need to implement custom authentication for the WCF service. Which code segment should you insert at line 10?

A. Option C
B. Option B
C. Option D
D. Option A

Question 5

You create a client application by using Microsoft .NET Framework 3.5. The client application consumes a Windows Communication Foundation service that uses the netMsmqBinding binding.
The binding uses a private transactional queue named 28 http://www.abc.com
Library. The following code fragment is part of the application configuration file. (Line numbers are included for reference only.)
01 <endpoint binding="netMsmqBinding" 02 contract="ServiceReference.lLibrary" 03 04 /> You need to specify the address of the endpoint.
Which attribute should you insert at line 03?

A. address=".\private$\Library"
B. address="net.msmq://localhost/private/transactional/Library"
C. address="net.msmq://.\private$\Library"
D. address="net.msmq://localhost/private/Library"

Solutions: