Correct Answer : Option (D) : All of the above
Explanation : All of the above options are components of a web service architecture.
Correct Answer : Option (B) : Web Services Description Language
Explanation : In contract-last, you expose an existing service interface as a web service whose service contract is generated automatically.
Explanation : In contrast, the contract-first approach encourages you to think of the service contract first, in terms of XML, using XML schema (.xsd) and WSDL.
Correct Answer : Option (A) : Service Description
Explanation : Service Description is responsible for describing the public interface to a specific web service.
Correct Answer : Option (C) : Both (A) and (B)
Explanation : All of the above options are true about Web Services RPC.
Correct Answer : Option (A) : True
Explanation : Just like that between an object model and a relational model.
Explanation : Spring comes with several service exporters that can export a bean as a remote service based on the RMI, Hessian, Burlap, or HTTP Invoker remoting technologies.
Correct Answer : Option (B) : JAX-RPC
Explanation : The standard for deploying web services on the Java EE platform as of Java EE 1.4 was called JAX-RPC. It supported SOAP 1.0 and 1.1, but didn’t support message-oriented web services.