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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 (WCF) service by using Microsoft .NET Framework 3.5. The WCF service must authenticate the client applications by validating credit card numbers and expiry dates.
You write the following code segment. (Line numbers are included for reference only.)

You need to implement custom authentication for the WCF service. Which code segment should you insert at line 10?

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

2. You create a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. You need to enable WCF tracing at runtime by using Windows Management Instrumentation (WMI). Which three tasks should you perform? (Each correct answer presents part of the solution. Choose three.)

A) Set the wmiProviderEnabled attribute to true in the configuration file.
B) Set the performanceCounters attribute to ServiceOnly in the configuration file.
C) Set up a message log listener in the configuration file. Set all trace properties to false.
D) Set up a System. ServiceModel trace listener in the configuration file. Set all trace properties to false.
E) Use WMI to set the AppDomainlnfo trace properties to true.

3. You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You need to ensure that the service can send data in the following format to the client applications.
<Account ld="">
<Name> </Name>
<Balance Currency=""> </Balance> </Account>
Which code segment should you use?

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

4. You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You write the following code segment. (Line numbers are included for reference only.)

The service must meet the following requirements:
You need to set the isolation level for the service.
Which line of code should you insert at line 05?

A) [ServiceBehavior(TransactionIsolationLevel= IsolationLevel.Chaos)]
B) [SecviceBehavior(TransactionIsolationLevel= IsolationLevel.Snapshot)]
C) [ServiceBehavior(TransactionIsolationLevel= IsolationLevel.Serializable)]
D) [ServiceBehavior(TransactionIsolationLevel= IsolationLevel.Unspecified)]

5. 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 same folder as your service contract code.
B) Create a service file that has the .svc extension containing the @servicehost directive information for the service. Move this file to the application folder.
C) Create a web.config file that contains the appropriate configuration code. Place this file in the application 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 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.
F) 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.

Solutions: