70-513 70-513 TS: Windows Communication Foundation velopment with Microsoft .NET Framework 4 70-513 www.zertifizierung-portal.de

Prüfungsnummer : 70-513

70-513 70-513 70-513 www.zertifizierung-portal.de

QUESTION 2
You are creating a windows Communication Foundation (WCF) service. You do not want to expose the internal implementation at the service layer. You need to expose the following class as a service named Arithmetic with an operation named Sum

public class Calculator
{
public int Add(int x, nty)
{
}
}

Which code segment should you use?

A. [ServiceContract(Namespace="Arithmetic")]
public class Calculator
{
[Operation Contract(Action="Sum")]
public int Add(int x, int y)
{}
}
B. [ServiceContract(ConfigurationName="Arithmetic")]
public class Calculator
{
[Operation Contract(Action="Sum")]
public int Add(int x, int y)
{}
}
C. [ServiceContract(Name="Arithmetic")]
public class Calculator
{
[OperationContract(Name="Sum")]
public int Add(int x, lnt y)
{}
}
D. [ServiceContract(Name="Arithmetic")]
public class Calculator
{
[OperationContract(ReplyAction="Sum")]
public int Add(int x, int y)
{}
}

Answer: C
70-513 70-513 70-513 www.zertifizierung-portal.de