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Microsoft 070-513 Exam Syllabus Topics:

Microsoft TS: Windows Communication Foundation velopment with Microsoft .NET Framework 4 Sample Questions:

1. A Windows Communication Foundation (WCF) client uses the following service contract. (Line numbers are included for reference only.)
01 [ServiceContract] 02 public interface IService 03 ( 04 [OperationContractj 05 string Operation1O; 06 [OperationContract] 07 string Operation2(), 08)
You need to ensure that all calls to Operation 1 and Operation2 from the client are encrypted and signed.
What should you do?

A) Add a SecurityCriticalAttribute ror each operation.
B) Set the ProtectionLevel property in line 04 and line 06 to Sign.
C) Add a SecunitySafeCriticalAttribute for each operation.
D) Set the ProtectionLevel property in line 01 to EncryptAndSign.

2. A Windows Communication Foundation (WCF) solution uses the following contract to share a message across its clients. (Line numbers are included for reference only.)

The code for the service class is as follows.

The service is self-hosted. The hosting code is as follows.

You need to ensure that all clients calling GetMessage will retrieve the updated string if the message is updated by any client calling PutMessage.
What should you do?

A) Pass a service instance to the instancing code in line 24, as follows.
ServiceHost host = new ServiceHost(new TeamMessageService());
B) Redefine the message string in line 13, as follows.
static string message = "Today' s Message";
Then change the implementation of PutMessage in lines 19-22 to the following.
public void PutMessage(string message) {
TeamMessageService.message = message; >
C) Add the following attribute to the TeamMessageService class, before line 10.
[ServiceBehavior(InstanceContextMode = InstanceContextMode.Single)]
D) Add the following attribute to the TeamMessageService class, before line 10.
[ServiceBehavior(InstanceContextMode =
InstanceContextMode.PecSession) ]
Than change che binding definition on the service at line 25, and on the client to the
following.
WSHttpBinding binding = new WSHttpBinding(SecurityMode.None);
binding.ReiiabieSession.Enabled = true;

3. HOTSPOT
You are developing a Windows Communication Foundation (WCF) service. You implement a data contract to pass complex data to and from the service. The service includes the following code:

You need to verify the order in which the data is serialized.
For each of the following statements, select True if the statement is true. Otherwise select False.

4. A Windows Communication Foundation (WCF) solution uses two services to manage a shopping cart. Service
A processes messages containing line items that total between $0 and $500. Service B processes messages containing line items that total more than $500.
All messages are of equal importance to the business logic.
You need to route incoming messages to the appropriate services by using WCF routing.
Which two message filters should you add to the router? (Each correct answer presents part of the solution. Choose two.)

A) a message filter with a priority of 0 that will forward messages that total between $0 and $500 to Service A
B) a message filter with a priority of 0 that will forward all messages to Service B
C) a message filter with a priority of 100 that will forward all messages to Service B
D) a message filter with a priority of 100 that will forward messages that total between $0 and $500 to Service A

5. You are developing a Windows Communication Foundation (WCF) client application. The client application contains the following code.

The configuration file contains the following lines.

You need to ensure that the service is consumed.
Which code segment should you use?

A) var client = new SocialClient("SocialClient"); c1lent.Endpoint.Behaviors.Add( new WebHttpBehovior());
B) var client = new SocialClient("SocialClient"); client.Endpoint.Behaviors.Add( new WebScriptEnoblingBehovior());
C) var client = new Social Client ("POST") ; client.Endpoint.Behaviors.Add( new WebHttpBehovior());
D) var client = new Social Client ("POST"); client.Endpoint.Behaviors.Add( new WebScriptEnoblingBehovior());

Solutions: