Online Access Free 070-503 Exam Questions

You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You need to ensure that data sent in a SOAP header is in the following XML format.
<Data> <string>String 1</string> <string>String 2</string> <string>String 3</string>
</Data>
Which code segment should you use?

• A.Option A
• B.Option B
• C.Option D
• D.Option C

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

You create an application by using Microsoft Visual Studio .NET 2008 and the .NET Framework 3.5. The application exposes a Windows Communication Foundation (WCF) Web service. The Web service is consumed by third-party applications. You need to ensure that the WCF service provides interoperable and secure end-to-end communications. What should you do?

• A.Use the netNamedPipeBinding binding along with the message-level and the transport-level securities.
• B.Use the netTcpBinding binding along with the message-level security.
• C.Use the basicHttpBinding binding along with the transport-level security.
• D.Use the wsHttpBinding binding along with the message-level security.

You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. The service will authenticate the client applications by using Personal Information Cards.
You write the following code segment. (Line numbers are included for reference only.)

You need to ensure that only those client applications that provide a valid e-mail address can execute the Update method.
Which code segment should you insert at line 08?

• A.Option A
• B.Option B
• C.Option D
• D.Option C

You are creating a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5.
You add the following code segment to the service.

You add the following code segment to the client application. 01 public double PerformCalculations (double num1, double num2) 02 {
04 }
You need to ensure that the DisposeCalculator operation is always called. Which code segment should you insert at line 03?

• A.Option A
• B.Option B
• C.Option D
• D.Option C