TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation (70-503) Free Practice Test

Question 1

You are creating a Windows Communication Foundation client application by using Microsoft .NET Framework 3.5.
The client application consumes the Web Services Enhancements (WSE) 3.0 Web service.
The Web service uses standard WSE 3.0 to transfer binary data to the client application.
The client application uses the following binding configuration.
(Line numbers are included for reference only.)

You need to ensure that the client application receives binary data from the WSE 3.0 Web service.
Which code fragment should you insert at line 03?

A. Option D

B. Option C

C. Option A

D. Option B

Correct Answer: C

Question 2

You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
The client application and the server application authenticate by using certificates. You need to implement message-level security.
Which configuration settings should you use?

A. Option D

B. Option C

C. Option A

D. Option B

Correct Answer: D

Question 3

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.NotAllowed, ProtectionLevehProtectionLevel.EncryptAndSign)]

B. [ServiceContract(SessionMode=SessionMode.Allowed, ProtectionLeveMProtectionLevel.EncryptAndSign)]

C. [ServiceContract(SessionMode=SessionMode.Allowed)]

D. [ServiceContract(SessionMode=SessionMode.Required)]

Correct Answer: D

Question 4

You are creating a Windows Communication Foundation (WCF) client application by using Microsoft .NET Framework 3.5.
The application uses the XML data format to exchange data with the service.
You plan to change the data format to JavaScript Object Notation (JSON).
You need to ensure that the client application can access the JSON WCF service.
What should you do?

A. Option D

B. Option C

C. Option A

D. Option B

Correct Answer: D

Question 5

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 impersonateCallerForAllOperat ions="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 impersonateCallerForAllOperat ions="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 )> _

Correct Answer: C

Question 6

You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The service will be hosted in a Console application.
You need to configure the service by using a configuration file other than the default app.config file.
Which code segment should you use?

A. Option D

B. Option C

C. Option A

D. Option B

Correct Answer: D

Question 7

You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5.
You need to use a custom service host to host the WCF service in Windows Activation Services (WAS).
What should you do?

A. Create a custom service host factory that instantiates the custom service host. Include a reference to this factory in the .svc file.

B. Add code to instantiate the custom service host from within the main procedure of the WCF service.

C. Write hosting code for the WCF service.

D. Add a reference to the custom service host in the web.config file.

Correct Answer: A

Question 8

You create a Windows Communication Foundation client application by using Microsoft .NET Framework 3.5. The client application communicates with an existing Web service that requires custom HTTP headers. You need to ensure that all messages sent to the service include the headers.
Which two tasks should you perform? (Each correct answer presents part of the solution. Choose two.)

A. Create a custom endpoint behavior. Add the message inspector by using the IEndpointBehavior.AddBindingParameters method.

B. Create a message inspector. Insert the custom headers by using the ICIientMessagelnspector.BeforeSendRequest method.

C. Create a message inspector. Insert the custom headers by using the ICIientMessagelnspector.AfterReceiveReply method.

D. Create a custom endpoint behavior. Add the message inspector by using the IEndpointBehavior.ApplyClientBehavior method.

Correct Answer: B,D

Question 9

You are creating a distributed application by using Microsoft .NET Framework 3.5.
The application uses the Windows Communication Foundation model.
You need to ensure that the following requirements are met:
What are two possible ways to achieve this goal? (Each correct answer presents a complete solution. Choose two.)

A. Option D

B. Option C

C. Option A

D. Option B

Correct Answer: B,C

Question 10

You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You need to insert an additional header in a response message.
What should you do?

A. Implement the BeforeSendReply method of the IDispatchMessagelnspector interface.

B. Implement the AfterCall method of the IParameterlnspector interface.

C. Implement the AfterReceiveRequest method of the IDispatchMessagelnspector interface.

D. Implement the BeforeSendRequest method of the IClientMessagelnspector interface.

Correct Answer: A

Question 11

You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. The WCF service will validate certificates to authorize
client applications. You write the following code segment. Class Store Implements IStore Public Sub RemoveOrder(ByVal ordered As Integer) _
Implements IStore. RemoveOrder End Sub End Class You need to ensure that only
those client applications that meet the following criteria can access the RemoveOrder method: "AdminUser" is the subject in the client certificate.
"1 bf47e90O0acf4c0089cda65e0aadcf1 cedd592" is the thumbprint in the client certificate. What should you do?

A. Decorate the RemoveOrder method by using the following attribute. <PrincipalPermission(SecurityAction. Demand, _Name:="CN=AdminUser;1bf47e90100acf4c0089cda65e0aadcf1cedd592")> _ Initialize the serviceAuthorization element of the service behavior in the following manner. <serviceAuthorization principalPermissionMode="UseAspNetRoles7>

B. Decorate the RemoveOrder method by using the following attribute.
<PrincipalPermission(SecurityAction. Demand,
_Role:="CN=AdminUser,1bf47e9000acf4c0089cda65eOaadcf1cedd592")> _ Initialize the
serviceAuthorization element of the service behavior in the following manner.
<serviceAuthorization principalPermissionMode="Windows7>

C. Decorate the RemoveOrder method by using the following attribute.
<PrincipalPermission(SecurityAction. Demand,
_Name:="AdminUser;1bf47e90C0acf4c0089cda65e0aadcf1cedd592")> _ Initialize the
serviceAuthorization element of the service behavior in the following manner.
<serviceAuthorization principalPermissionMode="Windows7>

D. Decorate the RemoveOrder method by using the following attribute.
<PrincipalPermission(SecurityAction. Demand,
_Role:="AdminUser,1 bf47e90100acf4c0089cda65e0aadcf1 cedd592")> _ Initialize the
serviceAuthorization element of the service behavior in the following manner.
<serviceAuthorization principalPermissionMode="UseAspNetRoles7>

Correct Answer: A

Question 12

You are creating a distributed application with Windows Communication Foundation by using Microsoft .NET Framework 3.5.
The distributed application topology includes client applications, routers, and services. Communication between the client applications and the services require authentication, confidentiality, and integrity.
You need to ensure that routers are not able to read the contents of the messages. You must achieve this goal without customizing the binding configuration.
Which binding should you use?

A. NetTcpBinding

B. NetNamedPipeBinding

C. WSHttpBinding

D. NetPeerTcpBinding

Correct Answer: C

Question 13

You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You need to ensure that the callback channel between the service and the client application is available for the service to send a status message.
Which code segment should you use?

A. if(((ICommunicationObject)callback).State== CommunicationState.Faulted)

B. if(((ICommunicationObject)callback).State== CommunicationState.Opened)

C. if(((ICommunicationObject)callback).State== CommunicationState.Created)

D. if(((ICommunicationObject)callback).State== CommunicationState.Opening)

Correct Answer: B

Welcome to TestSimulate

Microsoft TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation (70-503) Free Practice Test