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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 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="true" />
B) 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)]
C) 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)]
D) 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 )]

2. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The metadata for the service is available at http://localhost:8080/MyService/mex.
The svcutil.exe tool generates the following two files from the metadata:
You need to ensure that the configuration file is merged with an existing app.config file.
Which command should you use?

A) Svcutil http: //localhost:8080/MyService/mex /out:Proxy.cs /mergeConfig
B) Svcutil http: //localhost:8080/MyService/mex /out:Proxy.cs /config:app.config /noconfig
C) Svcutil http: //localhost:8080/MyService/mex /out:Proxy.cs /config:app.config /mergeconfig
D) Svcutil http: //localhost:8080/MyService/mex /out:Proxy.cs /config:app.config

3. You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. You need to host the WCF service on the IIS Web server.
First, you create a new folder for your application files. Next, you use the IIS management tool to create a Web application in the new folder.
Which three actions should you perform next? (Each correct answer presents part of the solution. Choose three.)

A) Create a web.config file that contains the appropriate configuration code. Place this file in the application folder.
B) Create an App_Code sub-folder within the application folder for your code files. Place the code file that defines and implements the service contract in this folder.
C) Create a vti_bin sub-folder within the application folder for your code files. Place the code file that defines and implements the service contract in this folder.
D) Create a service file that has the svc extension containing the @service directive information for the service. Move this file to the application folder.
E) Create a web.config file that contains the appropriate configuration code. Place this file in the same folder as your service contract code.
F) Create a service file that has the .svc extension containing the @servicehost directive information for the service. Move this file to the application folder.

4. You are creating a distributed application by using Microsoft .NET Framework 3.5. You use Windows Communication Foundation to create the application. You plan to perform the following tasks:
You write the following code segment.

You need to ensure that only those client applications that provide credentials belonging to the AdminGroup role can access the Remove method. What should you do?

A) Add the following attribute to the Service class. <PrincipalPermission(SecurityAction.
Demand, _ Name:="Remove", Role:="AdminGroup")> _
B) Add the following attribute to the Service class <PrincipalPermission(SecurityAction. Demand,_ Name:="IService. Remove", Role:="AdminGroup")> _
C) Add the following attribute to the Remove method of the Service class. <PrincipalPermission(SecurityAction.Demand, Role:="AdminGroup")> _
D) Add the following attribute to the Remove method of the IService interface. <PrincipalPermission(SecurityAction.Demand, Role:="AdminGroup")> _

5. 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.

You need to ensure that the WCF service meets the following requirements:
Which method implementation should you use?

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

Solutions: