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Microsoft 070-503 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Security in WCF Services | - Authentication and authorization
|
| Designing and Developing WCF Services | - Service implementation
|
| Configuring and Hosting WCF Services | - Hosting environments
|
| WCF Bindings and Messaging | - Message patterns
|
| Client Configuration and Consumption | - Service consumption
|
Microsoft TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation Sample Questions:
You are creating a Windows Communication Foundation (WCF) client application by using Microsoft .NET Framework 3.5.
The proxy generated for the WCF service results in the following code segment.
To implement a callback interface, you create the following class in the client application.
Public Class StoreCallback
Implements IStoreCallback End Class
The client application receives notifications from the service through the callback interface. You write the following code segment for the client application to use the generated proxy. (Line numbers are included for reference only.)
02 client. CheckAvailableProducts()
You need to set up duplex communication between the client application and the WCF service. Which code segment should you insert at line 01?
- A. Option C
- B. Option B
- C. Option A
- D. Option D
Correct Answer: C 🗳️
You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The service contains the following code segment.
<ServiceContract0> _ Public Interface IMyService
<OperationContract(lsOneWay:=True, _ Protectionl_evel:=Protectionl_evel.None)> _ <TransactionFlow(TransactionFlowOption.Allowed)> _ Sub DoSomethingQ End Interface
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(_ Protectionl_evel:=Protectionl_evel.EncryptAndSign)> _ <TransactionFlow(TransactionFlowOption.NotAllowed)> _ Sub DoSomethingQ
- B. <OperationContract(lsOneWay:=True,_ Protectionl_evel:=Protectionl_evel. EncryptAndSign)> _ <TransactionFlow(TransactionFlowOption.Allowed)> _ Sub DoSomethingQ
- C. <OperationContract(_ Protectionl_evel:=Protectionl_evel.None)> _ <TransactionFlow(TransactionFlowOption.Allowed)> _ Sub DoSomethingO
- D. <OperationContract(lsOneWay:=True, _ Protectionl_evel:=Protectionl_evel.Sign)> _ <TransactionFlow(TransactionFlowOption.Mandatory)> _ Sub DoSomethingQ
Correct Answer: C 🗳️
You are creating a client application by using Microsoft .NET Framework 3.5. The client application will consume a COM+ application by using the Windows Communication Foundation service.
You write the following code segment to implement the COM+ application.
You need to configure the WCF service to access the COM+ application from the WCF client application.
Which code fragment should you use?
- A. Option C
- B. Option B
- C. Option A
- D. Option D
Correct Answer: B 🗳️
You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5.
You create an instance of the ServerHost class. You plan to host the WCF service in a Windows service.
You need to link the lifetime of the WCF service to the lifetime of the Windows service.
Which three actions should you perform on the instance of the ServerHost class? (Each correct answer presents part of the solution. Choose three.)
- A. Override the GetLifetimeService method.
- B. Override the RequestAdditionalTime method.
- C. Subscribe to the Faulted event.
- D. Override the InitializeLifetimeService method.
- E. Override the OnStart method.
- F. Override the OnStop method.
Correct Answer: A,E,F 🗳️
You create a Windows Communication Foundation (WCF) service by using Microsoft .NET framework 3.5.
You write the following code segment for a service contract.
[ServiceContract]
public interface IOrderManager
{
[OperationContract]
void ProcessOrder(int ordered);
}
You need to ensure that the WCF service meets the following requirements:
Which method implementation should you use?
- A. Option C
- B. Option B
- C. Option A
- D. Option D
Correct Answer: C 🗳️
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