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Microsoft 70-513 Exam Syllabus Topics:

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

1. You are creating a Windows Communication Foundation (WCF) service that implements operations in a RESTful manner. You need to add a delete operation
You implement the delete method as follows. string oid Deleteltems(string id);
You need to configi.re WCF to ci this method when the client calls the service with the HTTP DRETE opera on
What should you do?

A) Add the HttpDelete tribute to the operation
B) Add the Weblnvoke(UriTemplate = "/Items/(idy, Method="DELETE") attribute to the operation
C) Replace the sting parameter with a RemovedActivityAction parameter
D) Replace the return type with RemovedActivityktion.

2. You develop a Windows Communication Foundation (WCF) service that employees use to access bonus information. You define the following service contract. (Line numbers are included for reference only.)
01 [ServiceContract(SessionMode = SessionMode.Required)]
02 public interface IFinancialService
03 {
04 [OperationContract]
05 string Login(int employeeID, string passwordHash);
06
07 [OperationContract]
08 double GetBonus(int month);
09
10 [OperationContract(IsTerminating = true)]
11 void Logout();
12 }
Client applications can invoke methods without logging in.
You need to ensure that the client applications invoke Login before invoking any other method.
You also need to ensure that client applications cannot consume the service after invoking Logout.
Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)

A) Replace line 04 with the following code. [OperationContract(IsInitiating = true, IsTerminating = true)]
B) Replace line 10 with the following code. [OperationContract(IsInitiating = false, IsTerminating = true)]
C) Replace line 04 with the following code. [OperationContract(IsInitiating = false)]
D) Replace line 07 with the following code. [OperationContract(IsInitiating = false)]

3. You are developing a client application that consumes a Windows Communication
Foundation (WCF) service. The operation contract is as follows.
<OperationContract()>
<FaultContract(GetType(SalesFault))>
Function GetSales(ByVal saieId As String) As String
The service configuration file contains the following line in the serviceBehaviors section.
<behovior>
oerviceDebug includeExceptionDetoilInFaults-"True'V>
</behavior>
A divide-by-zero exception is not being handled by the service.
You need to ensure that the exception is caught in the client application.
Which type of exception should the client catch?

A) TimeoutException
B) FaultException
C) DivideByZeroException
D) FaultException(Of SalesFault)

4. You are adding a Windows Communication Foundation (WCF) service to an existing application.
The application is configured as follows. (Line numbers are included for reference only.)

You need to configure the service to publish the service metadata.
Which two actions should you perform? (Each correct answer presents part of the solution. Choose two.)

A) Add the following XML segment between lines 10 and 11.
<endpoint address= ""
binding= " mexHttpBinding "
contract= " IMetadataExchange "
/>
B) Add the following XML segment between lines15 and 16.
< serviceDiscovery >
< announcementEndpoints >
<endpoint address=""/>
</ announcementEndpoints >
</ serviceDiscovery >
C) Add the following XML segment between lines 10 and 11.
<endpoint address=""
binding= " basic HttpBinding "
contract= " IMetadataExchange " />
D) Add the following XML segment between lines 15 and 16
< serviceMetadata httpGetEnabled ="true" />

5. You develop a Windows Communication Foundation (WCF) service that uses basic authentication for client credentials. This service is currently configured to use message security.
The service is hosted on a server in workgroup mode.
Users report that their passwords are stolen when they use public computers. You need to ensure that messages are secure and users are authenticated.
You prevent the service from being called over HTTP through Microsoft Internet Information Services (IIS) configuration.
What should you do next?

A) Use the transportWithMessageCredential security mode and specify None for the transport client credential type.
B) Use the transportWithMessageCredential security mode and specify Basic for the transport client credential type.
C) Use the message security mode and specify Basic for the transport client credential type.
D) Use the transport security mode and specify None for transport client credential type.

Solutions: