Oracle 1Z0-863 Online Practice Questions and Exam Preparation

Oracle 1Z0-863 Online Questions & Answers

• Question 21:

  Which two statements are true about the interaction between a JAXR 1.0 client and a UDDI registry? (Choose two.)

  A. A JAXR client can delete an organization that it published.
  B. A JAXR client CANNOT delete any of the entries in a UDDI registry.
  C. A JAXR client must use HTTPS for updating the information in a UDDI registry.
  D. A JAXR client can query and update the information in a UDDI registry using HTTP.
  E. A JAXR client can delete an organization that it published only if the protect property is set to False.
  A. A JAXR client can delete an organization that it published.
  C. A JAXR client must use HTTPS for updating the information in a UDDI registry.

• Question 22:

  What are three characteristics of JSON Web service messages? (Choose three.)

  A. provide interface contracts that are easy to enforce
  B. are self-describing
  C. utilize a collection of name/value pairs
  D. utilize ordered lists of values
  E. provide built-in message security
  F. allow minimum to no coding of object de-serialization
  C. utilize a collection of name/value pairs
  D. utilize ordered lists of values
  F. allow minimum to no coding of object de-serialization

• Question 23:

  A company needs to process DOM documents received from its customers through an EJB3 endpoint. Which two APIs will a developer need to invoke to process these DOM documents? (Choose two.)

  A. UDDI
  B. JAXR
  C. JAXP
  D. JAX-WS
  E. JAXB
  F. StAX
  C. JAXP
  F. StAX

• Question 24:

  Two companies communicate using Web services in a business transaction. Which mechanism is designed to ensure that business data CANNOT be renounced, or a transaction denied, by either one?

  A. integrity provided by public key certificates and digital signatures
  B. confidentiality provided by asymmetric or symmetric cryptography
  C. identity management provided by private keys and certificate authorities
  D. non-repudiation provided though public key cryptography by digital signing
  D. non-repudiation provided though public key cryptography by digital signing

• Question 25:

  What are two reasons for choosing message-level security in a Web service? (Choose two.)

  A. to support the use of SSL
  B. to support multiple transport protocols
  C. to selectively encrypt message content
  D. to remove security information from SOAP headers
  E. to support encrypted attachments
  B. to support multiple transport protocols
  C. to selectively encrypt message content

• Question 26:

  Which two statements are true about the interoperability of Web services developed using the Java EE 5 platform? (Choose two.)

  A. Interoperability is improved by restricting access only to Java clients.
  B. EJB-based endpoints are more difficult for .NET clients to access.
  C. Only servlet-based endpoints are used when exposing services to non-Java clients.
  D. Exposure is limited to simple arrays of concrete types as the signature of Web service methods.
  E. The service must be published in both the .NET and Java UDDIs.
  F. Testing for WS-I Profile conformance improves interoperability.
  D. Exposure is limited to simple arrays of concrete types as the signature of Web service methods.
  F. Testing for WS-I Profile conformance improves interoperability.

• Question 27:

  Which two statements are true about creating a Web service with JAX-WS? (Choose two.)

  A. Stateless Web services must be created with HTTP servlet endpoints.
  B. Creating the portable artifacts by hand is slow, but makes a service easier to maintain.
  C. All Java-based endpoints share a common packaging model.
  D. EJBs can serve as endpoints if hosted in a container with runtime and service support.
  E. JAX-WS supports creating services from source and compiled code without a WSDL.
  D. EJBs can serve as endpoints if hosted in a container with runtime and service support.
  E. JAX-WS supports creating services from source and compiled code without a WSDL.

• Question 28:

  A client sends a required SOAP header as a SOAP message. The server-side process determines that information in the header is invalid and generates a SOAP fault. What is the appropriate fault code for this type of SOAP fault?

  A. Client
  B. Server
  C. MustUnderstand
  D. VersionMismatch
  E. HeaderError
  F. InvalidHeader
  A. Client

• Question 29:

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

• Question 30:

  A developer plans to refactor some of the company's existing Java EE 5 business services, moving them out of the existing monolithic application and into Web services. What are two benefits of exposing existing Java EE 5 functionality as a Web service? (Choose two.)

  A. improved manageability
  B. more finely-grained
  C. enhanced security
  D. loose coupling of functionality
  E. self-describing
  F. automatic session management
  D. loose coupling of functionality
  E. self-describing