Online Access Free 1Z0-897 Practice Test

Which security technologies are not included in WS-Security?

• A.handshake for credential exchange and session establishment
• B.security tokens
• C.encryption
• D.digital signatures

A purchase order Web service is designed to be synchronous, request-response, and HTTP-based. The existing service processes the request immediately. Because of new business requirements, the service can take up to ten days to perform a credit check before processing the order. Which two design changes should be made? (Choose two.)

• A.Given delays of up to ten days, a polling strategy is more efficient than callback.
• B.The client and the service need to establish a mechanism to correlate the messages.
• C.The service only needs to change the WSDL from rpc-literal to document-literal.
• D.The client needs to use dynamic proxies instead of stubs.
• E.The client needs to develop and deploy a Web service to accept callbacks.

A developer wants to use WebServiceContext in the web service endpoint. Which of the following is the correct way to get WebServiceContext object ? (Choose one)

• A.@WebService
  public class MyService {
  @Resource
  WebServiceContext ctxt;
  public String echo(String str) {
  ...
  }
• B.@WebService
  public class MyService {
  @WebServiceContext
  WebServiceContext ctxt;
  public String echo(String str) {
  ...
  }
• C.@WebService
  public class MyService {
  WebServiceContext ctxt;
  public String echo(String str) { ctxt = jndi.lookup("java:com/env/WebServiceContext"); }
• D.@WebService
  public class MyService {
  @Inject
  WebServiceContext ctxt;
  public String echo(String str) {
  ...
  }

Given the class: Choose the annotation to add on line 4 to enable the client to receive a JSON representation of the instance of Value that is returned (Choose one):

• A.@Produces("application/json");
• B.No annotation is possible, since JAX-RS does not support marshalling and unmarshalling of JSON records.
• C.No annotation is needed, since JAX-RS supports marshalling and unmarshalling of JSON records.
• D.@Consumes("application/json");

In the code fragment below, the client will use os to upload data to the web service provider.

Choose the statement that must be placed in line 5, to ensure this fragment works as intended. (Choose one)

• A.connection.setUseCaches(false);
• B.connection.setDoOutput(true);
• C.connection.setAllowUserInteraction(true);
• D.connection.setIfModifiedSince(new Date().getTime());