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A company is building a customer relationship management system that is to be deployed on a customer's network, and they want software functions to be reused and combined in different modules in the system. The Director of Technology has determined that the new system should utilize both Web services and a Service Oriented Architecture (SOA). Which two statements about Web services in an SOA are correct? (Choose two.)

A. A Web service must be discovered from a UDDI registry in an SOA.

B. SOA and Web services both use the HTTP protocol at the transport layer.

C. A Web service must publish itself to a UDDI registry to become part of an SOA.

D. SOA is a way to design a system and Web services are a possible implementation.

E. SOA is used for stateless invocations, and Web services for stateful invocations.

F. SOA emphasizes the concept of service encapsulation and Web services fulfill a service contract.

A document-style service defines a document passed to the Web service using xsd:anyType in the WSDL file that describes the service. How should the document be typed in Java?

A. use javax.xml.soap.Element

B. use javax.xml.soap.Node

C. use javax.xml.soap.SOAPHeader

D. use javax.xml.soap.SOAPElement

E. use javax.xml.soap.SOAPFault

F. use javax.xml.soap.SOAPBodyElement

Given:

1.

try { // Call Web service Operation

2.

org.me.calculator.client.CalculatorWS port =

3.

service.getCalculatorWSPort();

4.

// TODO initialize WS operation arguments here

5.

int i = 3;

6.

int j = 4;

7.

// TODO process result here

8.

int result = port.add(i, j);

9.

out.println("

Result: " + result);

10.

11.

} catch (Exception ex) {

12.

out.println("

Exception: " + ex);

13.

}

Assume Reliable Messaging is used and the code is correct except for what is missing at line 10.

Which code fragment must be placed at line 10?

A. Close the port object with ((Closeable)port).close(); after testing result is positive.

B. Close the port with port.close();

C. Closing the port object is optional, but port.close(); will work.

D. Close the port object with ((Closeable)port).close();