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

1. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You write the following code segment. (Line numbers are included for reference only.)

If the existing operation contract is unable to process a request made to the service, a generic operation contract must attempt to process the request.
You need to create the generic operation contract.
Which code segment should you insert at line 08?

A) [OperationContract(Action="Default")]void ProcessOthers(Message msg);
B) [OperationContract(Action="*")]void ProcessOthers();
C) [OperationContract(Action="*")]void ProcessOthers(Message msg);
D) [OperationContract(Action="Default")]void ProcessOthers();

2. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You write the following code segment to define the service. (Line numbers are included for reference only.)

You need to set the ServiceContract attribute for the transaction behavior of the service. Which code segment should you insert at line 01?

A) <ServiceContract(SessionMode:=SessionMode.Required)> _
B) <ServiceContract(SessionMode:=SessionMode.Allowed)> _
C) <ServiceContract(SessionMode:=SessionMode.Allowed, _ ProtectionLevel:=ProtectionLevel.EncryptAndSign)> _
D) <ServiceContract(SessionMode:=SessionMode.NotAllowed, _ ProtectionLevel:=ProtectionLevel.EncryptAndSign)> _

3. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You write the following code segment to create a service contract. (Line numbers are included for reference only.)

You need to ensure that the client applications always use a binding that supports sessions.
Which code segment should you insert at line 01?

A) [ServiceContract(ProtectionLevel= ProtectionLevel.EncryptAndSign) ]
B) [ServiceContract(SessionMode=SessionMode.Allowed) ]
C) [ServiceContract(ProtectionLevel= ProtectionLeve1.EncryptAndSign, SessionMode=SessionMode.Allowed)]
D) [ServiceContract(SessionMode=SessionMode.Required) ]

4. You have created a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
The existing service interface is named IMyService, and contains the following code segment.

You create a new service named IMyServiceVI that contains an operation named DoSomethingElse.
You need to ensure that existing client applications are still able to access the IMyService. DoSomething method without modifying client code. Which code segment should you use?

A) Option B
B) Option D
C) Option C
D) Option A

5. You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. You create a class named Customer for the WCF service. The Customer class has properties named Id, Name, and BalanceDue.
You plan to convert the Customer class into a data contract.
You need to ensure that only the Id property and the Name property are passed to the client applications.
Which code segment should you use?

A) Option B
B) Option D
C) Option C
D) Option A

Solutions: