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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 want to use a built-in binding to support reliable sessions.
You need to create a service that uses SOAP to transfer messages between endpoints. The service must deliver the messages only once, and in the same order in which they were sent. Which type of binding should you use?

A) BasicHttpBinding
B) NetMsmqBinding
C) WSDualHttpBinding
D) NetPeerTcpBinding

2. 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,SessionMode:=SessionMode.Allowed)> __
B) <ServiceContract(SessionMode:=SessionMode.Allowed)> __
C) <ServiceContract(ProtectionLevel:=ProtectionLevel.EncryptAndSign)> __
D) <ServiceContract(SessionMode:=SessionMode.Required)>

3. You are creating a Windows Communication Foundation service by using Microsoft .NET
Framework 3.5. The service has a contract named IMyService.
You need to ensure that the service uses an XMLSerializer object.
Which code segment should you use?

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

4. You are creating a Windows Communication Foundation application by using Microsoft .NET Framework 3.5.
You create a service that provides access to the intranet file server of your company. Users must be able to update and delete files from the server by using the service.
You write the following code segment.

You need to ensure that files can be updated or deleted only by users with the required privileges defined in the server's file system ACLs. What should you do?

A) Define the service behavior in the following manner.
<serviceAuthorization impersonateCallerForAllOperations="false" />
Decorate the Delete and Update methods of the IFileServer interface by using the following
attribute.
[OperationBehavior(Impersonation=ImpersonationOption.Required)]
B) Define the service behavior in the following manner.
<serviceAuthorization impersonateCallerForAllOperations="false" />
Decorate the Delete and Update methods of the FileServer class by using the following
attribute.
[OperationBehavior(Impersonation=ImpersonationOption.Required )]
C) Define the service behavior in the following manner.
<serviceAuthorization impersonateCallerForAllOperations="true" />
Decorate the Delete and Update methods of the IFileServer interface by using the following
attribute.
[OperationBehavior(Impersonation=ImpersonationOption.Alloraed)]
D) Define the service behavior in the following manner.
<serviceAuthorization impersonateCallerForAllOperations="true" />

5. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You create the following service definition.
<ServiceContractQ> _ Public Interface IMyService ... End Interface
You need to custom manage the lifetime of the session.
Which service implementation should you use?

A) <ServiceBehavior(UseSynchronizationContext:=True)> _
Public Class Servicelmp1
...
End Class
B) <ServiceBehavior(UseSynchronizationContext:=False)> _
Public Class ServicelmpID
...
End Class
C) <ServiceBehavior(AutomaticSessionShutdown:=False)> _
Public Class Servicelmp1
...
End Class
D) <ServiceBehavior(AutomaticSessionShutdown:=True)> _
Public Class Servicelmp1
...
End Class

Solutions: