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2021 Nov 1Z0-863 vce

Q31. Which two statements are true about the role of XML schemas in Web services? (Choose two.) 

A. DTDs provide stricter data typing than XML schemas. 

B. XML schemas can be used to validate the organization of XML documents. 

C. XML schemas contain a vocabulary, content model and data types. 

D. DTDs are easier to map to Java than XML schemas, and so remain more popular. 

E. The W3C recommends that XML schemas be referred to as XSD. 

F. The W3C has designated that XML schemas be referred to as WXS. 

Answer: B,C 

Q32. Which two statements are true about JAX-WS API using SOAP or REST? (Choose two.) 

A. JAX-WS prefers base 64 encoding of binary attachments for SOAP and REST. 

B. SOAP services require deployment descriptors and REST uses annotations. 

C. XML and REST are often easier to use than SOAP for stateless services. 

D. JAX-WS clients can bind both SOAP and raw XML from REST. 

E. REST services must be used to generate portable artifact classes mapped to SOAP. 

Answer: C,D 

Q33. Which two implementations of JSON Web services benefit from the inherent structure of JSON messages? (Choose two.) 

A. remote procedure calls 

B. geocoding 

C. Enterprise Service Bus messaging 

D. map image 

E. stateful session management 

Answer: B,D 

Q34. 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("<p>Result: " + result); 


11. } catch (Exception ex) { 

12. out.println("<p>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(); 


Q35. 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. 

Answer: C,E 

Leading 1Z0-863 practice test:

Q36. An engineer is studying the architecture of the JAXB implementation. What are three components in its design? (Choose three.) 

A. schema compiler B. built-in SAX parser C. schema generator D. built-in DOM parser 

E. binding runtime framework 

F. schema interpretor 

Answer: A,C,E 

Q37. 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. 

Answer: D,E 

Q38. 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. 

Answer: D,F 

Q39. 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 


Q40. A student developer has created a new library of math functions to share with friends in a linear algebra class. The developer is having difficulty getting people to come over to the dorm to see the new code library, so he decides to deploy it as a Web service so that everyone can enjoy the features via the Internet. One of the functions has this WSDL definition: 

<portType name="MyMathLib"> 

<operation name="incCtr"> <input message="tns:incCtr"/> 



Which two statements are true about this Web service? (Choose two.) 

A. This is an asynchronous receive. 

B. This is an asynchronous send. 

C. The client must use SOAPFaultException to display any errors. 

D. It must send a SOAP fault back to the sender. 

E. It must NOT send a SOAP fault back to the sender. 

Answer: B,E