Oracle Oracle Certifications 1Z0-863 Questions & Answers

• Question 11:

  A developer has been implementing a Java application that reads in pharmaceutical information via Web service calls, scans through the data, and presents warnings about possible drug interactions. Performance has been slow, due to the large payloads returned from the Web services. Which two statements are true about implementing the Web Service Cache pattern? (Choose two.)

  A. Caching must occur on the server.

  B. Caching can occur on the client.

  C. It will improve performance of updates.

  D. It encapsulates a request as an object.

  E. It will improve performance for non-volatile data.

  Correct Answer: BE

• Question 12:

  A developer is creating an XML schema using the xsd:all operator.

  Given the code:

  xmlns:tns="http://sun.cert/types"

  xmlns:xsd="http://www.w3.org/2001/XMLSchema">

  Which two element definitions, when inserted into the given schema fragment, result in a correct schema type definition? (Choose two.)

  A.

  B.

  C.

  D.

  E.

  F.

  Correct Answer: AC

• Question 13:

  Which Java type can be used to represent arbitrary XML data in a JAX-WS service endpoint interface?

  A. javax.xml.soap.SOAPNode

  B. javax.xml.soap.SOAPPart

  C. javax.xml.soap.SOAPElement

  D. javax.xml.soap.SOAPException

  E. javax.xml.soap.SOAPMessage

  F. javax.xml.soap.Node

  Correct Answer: C

• Question 14:

  What is an accurate description of the handling of application exceptions thrown by a JAX- WS service endpoint?

  A. Application exceptions can be mapped to faults in WSDL.

  B. Application exceptions are NOT handled by JAX-WS clients.

  C. Application exceptions are always propagated to JAX-WS clients as RemoteExceptions.

  D. Application exceptions are always propagated to JAX-WS clients as WebServiceExceptions.

  E. Application exceptions are always propagated to JAX-WS clients as SOAPFaultExceptions.

  Correct Answer: A

• Question 15:

  Which two code fragments are valid XML schema anonymous complex type definitions? (Choose two.)

  A.

  B.

  C.

  D.

  Correct Answer: BC

• Question 16:

  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

  Correct Answer: BC

• Question 17:

  An automobile manufacturer publishes a Web service for use by their suppliers. The manufacturer has stringent security requirements that require suppliers to verify their identity. Data integrity and confidentiality must be maintained between the client and the server. Which two meet all of these requirements? (Choose two.)

  A. X.509 and XKMS

  B. XACML and XKMS

  C. SSL and mutual authentication

  D. XML Encryption and XML Digital Signature

  E. Private network and XML Signature

  Correct Answer: CD

• Question 18:

  Which two statements are true about digital signatures applied to an XML document? (Choose two.)

  A. The receiver verifies that the message matches the digital signature using its own private key.

  B. The receiver can use an XML Digital Signature for non-repudiation of unsigned data.

  C. The sender creates a digital signature using its own private key and sends that signature along with the original document.

  D. The sender creates a digital signature using its own public key and sends that signature along with the original document.

  E. The receiver verifies that the message matches the digital signature using the sender's public key.

  Correct Answer: CE

• Question 19:

  Which two are defined by SAML? (Choose two.)

  A. a standard that describes an access control policy language for XML documents

  B. a protocol by which clients can request assertions about subjects from SAML authorities

  C. a standard for including digital signatures in SOAP messages for Web services that require single sign-on

  D. the structure of the XML documents that transport authentication and authorization information between services

  E. an API in the form of the SAML reference implementation created by OASIS

  Correct Answer: BD

• Question 20:

  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

  Correct Answer: CDF