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

1. DRAG DROP
You are developing a Windows Communication Foundation (WCF) service that contains a method named ProcessPayments. The service is hosted in Internet Information Services (IIS).
You have the following requirements:
- Create a new instance of the service every time that a client application calls the ProcessPayments method. - Process every call from client applications one at a time.
You need to complete the code for the WCF service.
Which four code segments should you use in sequence? (To answer, move the appropriate code segments from the list of code segments to the answer area and arrange them in the correct order.)

2. You are developing a Windows Communication Foundation (WCF) service. You enable logging in the configuration file.
The opening tag is defined as follows.

You need to ensure that logging is implemented so that only messages with SOAP headers are logged.
What should you add to the filters element of the application configuration file?

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

3. You are developing a Windows Communication Foundation (WCF) service.
You must record all available information for the first 1,000 messages processed, even if
they are malformed.
You need to configure the message logging section of the configuration file.
Which configuration segment should you use?

A) <messageLogging logMalformedMessages="true" logMessagesAtServiceLevel="true" logMessagesAtTransportLevel="false" maxMessagesToLog="1000"/>
B) <messageLogging logMessagesAtServiceLevel="true" logMessagesAtTransportLevel="true" maxMessagesToLog="1000"/>
C) <messageLogging logEntireMessage="true" logMalformedMessages="true" logMessagesAtServiceLevel="true" logMessagesAtTransportLevel="true" maxMessagesToLog="1000"/>
D) <messageLogging logEntireMessage="false" logMessagesAtServiceLevel="true" logMessagesAtTransportLevel="false" maxMessagesToLog="1000"/>

4. 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) FaultException
B) DivideByZeroException
C) TimeoutException
D) FaultException(Of SalesFault)

5. You develop a Windows Communication Foundation (WCF) RESTful service that provides media streaming services. The service includes the following code. (Line numbers are included for reference only.)

The service must return an XML response.
You need to apply the correct attribute to AddMediaTitle method.
Which code segment should you insert at line 05?

A) [WebInvolce(ResponseFormat = WebMessageFormat.Xml, BodyStyle = WebMessageBodyStyle.Wrapped)]
B) [WebInvoice]
C) [WebInvolce (Method= "POST") ]
D) [WebInvoice (ResponseFormat = WebMessageFormat.Xml, BodyStyle = WebMessageBodyStyle .Bare) ]

Solutions: