WCF service contract endpoint

Question

Hi,

which one from the following statements is true for following piece of code :

Public class service

{

[operationContract]

[WebMethod]

public string Hello() {

return "Hello";

}

}

1. Enables "service" to be accessed only as WCF service

2. Enables "service" to be accessed only as .asmx

3. Will raise an exception

4. Enables .asmx part migration to WCF