I think the "etc." part is important. They just listed some technologies and implementations to give you an idea of the solution space. So the important points they wanted you to address were most likely a) whether or not to use web services, b) whether to use SOAP or REST, c) the fact that JAX-RPC is obsolete and should no longer be used.
subject: technology (JAX-RPC, Axis, SOAP, REST etc.) to implement web services ?