Oracle 1Z0-863 Online Practice
Questions and Exam Preparation
1Z0-863 Exam Details
Exam Code
:1Z0-863
Exam Name
:Java Enterprise Edition 5 Web Services Developer Certified Professional Upgrade
Certification
:Oracle Certifications
Vendor
:Oracle
Total Questions
:96 Q&As
Last Updated
:Jul 12, 2026
Oracle 1Z0-863 Online Questions &
Answers
Question 61:
A developer who recently added message optimization support to the company's Web services is tasked with explaining how the next crop of WSIT client applications will use the feature. Which statement is true?
A. Client developers should have experience with the SAAJ and MIME types to use MTOM with the service. B. The clients should use the service WSDL to discover and satisfy the interoperability requirements. C. Adding message optimization is a manual step when the WSDL is available on HTTPS. D. The encryption for optimization requires a client keystore.
B. The clients should use the service WSDL to discover and satisfy the interoperability requirements.
Question 62:
Which three statements are true about JAXP APIs? (Choose three.)
A. They are a part of Java SE 6. B. They allow Java developers to access and process XML data without having to know XML or XML processing. C. They do NOT support validation of XML documents against schemas. D. It supports the Streaming API for XML. E. It requires the Streaming API for XML. F. They provide developers with a vendor and parser-implementation independent API to process XML.
A. They are a part of Java SE 6. D. It supports the Streaming API for XML. F. They provide developers with a vendor and parser-implementation independent API to process XML.
Question 63:
Place the general steps in the JAXB data binding process in the correct order.
a.
compile classes
b.
generate classes
c.
generate content tree
d.
marshall
e.
process content
f.
unmarshall
g.
validate
A. f,b,a,c,g,e,d B. b,a,d,c,g,e,f C. b,a,f,c,g,e,d D. b,a,d,c,e,f,g E. f,c,a,b,g,e,d
C. b,a,f,c,g,e,d
Question 64:
A developer must modify an existing Web service client program. XML used by the service must be updated and archived for use in other systems. The developer chooses the Dispatch API. Which two statements are true about this approach? (Choose two.)
A. Dispatch is generic and can be instantiated for use with XML or SOAP. B. The Web service can be either SOAP or REST-based. C. The Dispatch instance must be created in Service.Mode.PAYLOAD mode in order to use SOAP. D. Instantiating Dispatch Service.Mode.MESSAGE mode allows you to work directly with the XML message. E. It is unnecessary to use JAXB with the Dispatch API.
A. Dispatch is generic and can be instantiated for use with XML or SOAP. B. The Web service can be either SOAP or REST-based.
Question 65:
According to the WS-I Basic Profile 1.1, which two statements are true about the targetNamespace attribute for xsd:schema elements that are children of WSDL 1.1 type element? (Choose two.)
A. Its value must be valid unless it has xsd:import, xsd:annotation, or both as its only child elements. B. Its value must be empty unless it has xsd:import, xsd:annotation, or both as its only child elements. C. It should have same the value as the namespace attribute on the wsdl:import element in a document being imported. D. It must have same the value as the namespace attribute on the wsdl:import element in a document being imported.
A. Its value must be valid unless it has xsd:import, xsd:annotation, or both as its only child elements. D. It must have same the value as the namespace attribute on the wsdl:import element in a document being imported.
Question 66:
A company has contracted a developer to create their new accounting system. The system the developer will replace runs a monolithic web application using one web server and one database server. Technical requirements state the developer must write the business logic in Java, deploy to the application server and push the presentation logic onto the web servers. What are three characteristics of services in the proposed Service Oriented Architecture? (Choose three.)
A. Services are coarse grained. B. Services are finely grained. C. Services are loosely coupled. D. Services are tightly coupled. E. Clients must be implemented in the Java technology. F. Services are platform agnostic, network-addressable web APIs.
A. Services are coarse grained. C. Services are loosely coupled. F. Services are platform agnostic, network-addressable web APIs.
Question 67:
A developer new to Web services is researching how a client can connect to a service. It is clear that some models provide better abstraction while others offer more power when working with messages. What is the correct reason to choose the Dispatch interface?
A. Dispatch is a high-level API that helps hide the complexity of XML. B. REST services can be consumed with the Dispatch API and XML/HTTP bindings. C. The Dispatch interface supports the use JAXP to bind data. D. The Dispatch interface is represented internally as a SOAP message.
B. REST services can be consumed with the Dispatch API and XML/HTTP bindings.
Question 68:
Which two statements are true about creating a SOAP message with an attachment? (Choose two.)
A. Binary attachments make SOAP incompatible with HTTP. B. A SOAP Message package must specify Content-Type as multipart/related. C. If one or more attachments are XML, they must be in the body of the SOAP message. D. MIME attachments referenced inside the SOAP body must use SOAP references. E. MIME provides a method to encode attachments in XML making them compatible with SOAP.
B. A SOAP Message package must specify Content-Type as multipart/related. D. MIME attachments referenced inside the SOAP body must use SOAP references.
Question 69:
Which two statements are true about elements in a WSDL document? (Choose two.)
A. Operation is an abstract set of port types supported by one or more endpoints. B. Service is an abstract set of operations supported by one or more endpoints. C. Message is an abstract description of an action supported by the service. D. Operation is an abstract description of an action supported by the service. E. Binding is a single endpoint defined as a combination of an operation and a network address. F. Message is an abstract, typed definition of the data being communicated.
D. Operation is an abstract description of an action supported by the service. F. Message is an abstract, typed definition of the data being communicated.
Question 70:
Which two statements are true about elements in a WSDL document? (Choose two.)
A. Operation is an abstract set of port types supported by one or more endpoints. B. Service is an abstract set of operations supported by one or more endpoints. C. Message is an abstract description of an action supported by the service. D. Operation is an abstract description of an action supported by the service. E. Binding is a single endpoint defined as a combination of an operation and a network address. F. Message is an abstract, typed definition of the data being communicated.
D. Operation is an abstract description of an action supported by the service. F. Message is an abstract, typed definition of the data being communicated.
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