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Sun Certified Developer for Java Web Services(SCDJWS)

SCDJWS Mock Exam:
Exam Objectives
Section 1: XML Web Service Standards
  • 1.1Given XML documents, schemas, and fragments determine whether their syntax and form are correct (according to W3C schema) and whether they conform to the WS-I Basic Profile 1.1.
  • 1.2Describe the use of XML schema in Java EE Web services
Section 2: SOAP 1.2 Web Service Standards
  • 2.1List and describe the encoding types used in a SOAP message.
  • 2.2Describe the SOAP Processing and Extensibility Model.
  • 2.3Describe SOAP Message Construct and create a SOAP message that contains an attachment.
Section 3: Describing and Publishing (WSDL and UDDI)
  • 3.1Explain the use of WSDL in Web services, including a description of WSDL's basic elements, binding mechanisms and the basic WSDL operation types as limited by the WS-I Basic Profile 1.1.
  • 3.2Describe how WSDL enables one to separate the description of the abstract functionality offered by a service from concrete details of a service description such as ?how? and ?where? that functionality is offered.
  • 3.3Describe the Component Model of WSDL including Descriptions, Interfaces, Bindings, Services and Endpoints.
  • 3.4Describe the basic functions provided by the UDDI Publish and Inquiry APIs to interact with a UDDI business registry.
Section 4: JAX-WS
  • 4.1Explain JAX-WS technology for building web services and client that communicate using XML
  • 4.2Given a set of requirements for a Web service, such as transactional needs, and security requirements, design and develop Web service applications that use JAX-WS technology
  • 4.3Describe the Integrated Stack (I-Stack) which consists of JAX-WS, JAXB, StAX, SAAJ
  • 4.4Describe and compare JAX-WS development approaches
  • 4.5Describe the features of JAX-WS including the usage of Java Annotations
  • 4.6Describe the architecture of JAX_WS including the Tools SPI that define the contract between JAX-WS tools and Java EE.
  • 4.7Describe creating a Web Service using JAX-WS.
  • 4.8Describe JAX-WS Client Communications Models
  • 4.9Given an set of requirements, design and develop a Web service client, such as a Java EE client and a stand-alone client, using JAX-WS.
  • 4.10Given a set of requirements, create and configure a Web service client that accesses a stateful Web service.
Section 5: REST, JSON, SOAP and XML Processing APIs (JAXP, JAXB and SAAJ)
  • 5.1Describe the characteristics of REST Web Services.
  • 5.2Describe the characteristics of JSON Web Services.
  • 5.3Compare SAOP web services to REST Web Services.
  • 5.4Compare SAOP web services to JSON Web Services.
  • 5.5Describe the functions and capabilities of the APIs included within JAXP.
  • 5.6Describe the functions and capabilities of JAXB, including the JAXB process flow, such as XML-to-Java and Java-to-XML, and the binding and validation mechanisms provided by JAXB.
  • 5.7Create and use a SOAP message with attachments using the SAAJ APIs.
Section 6: JAXR
  • 6.1Describe the function of JAXR in Web service architectural model, the two basic levels of business registry functionality supported by JAXR, and the function of the basic JAXR business objects and how they map to the UDDI data structures.
  • 6.2Create JAXR client to connect to a UDDI business registry, execute queries to locate services that meet specific requirements, and publish or update information about a business service.
Section 7: Java EE Web Services
  • 7.1Identify the characteristics of and the services and APIs included in the Java EE platform.
  • 7.2Explain the benefits of using the Java EE platform for creating and deploying Web service applications.
  • 7.3Describe the functions and capabilities of the JAXP, DOM, SAX, StAX, JAXR, JAXB, JAX-WS and SAAJ in the Java EE platform.
  • 7.4Describe the role of the WS-I Basic Profile when designing Java EE Web services.
Section 8: Security
  • 8.1Explain basic security mechanisms including: transport level security, such as basic and mutual authentication and SSL, message level security, XML encryption, XML Digital Signature, and federated identity and trust.
  • 8.2Identify the purpose and benefits of Web services security oriented initiatives and standards such as Username Token Profile, SAML, XACML, XKMS, WS-Security, and the Liberty Project.
  • 8.3Given a scenario, implement Java EE based web service web-tier and/or EJB-tier basic security mechanisms, such as mutual authentication, SSL, and access control.
  • 8.4Describe factors that impact the security requirements of a Web service, such as the relationship between the client and service provider, the type of data being exchanged, the message format, and the transport mechanism.
  • 8.5Describe WS-Policy that defines a base set of constructs that can be used and extended by other Web specifications to describe a broad range of service requirements and capabilities.
Section 9: Developing Web Services
  • 9.1Describe the steps required to configure, package, and deploy Java EE Web services and service clients, including a description of the packaging formats, such as .ear, .war, .jar, annotations and deployment descriptor settings.
  • 9.2Given a set of requirements, develop code to process XML files using the SAX, StAX, DOM, XSLT, and JAXB APIs.
  • 9.3Given an XML schema for a document style Web service create a WSDL file that describes the service and generate a service implementation.
  • 9.4Given a set of requirements, create code to create an XML-based, document style, Web service using the JAX-WS APIs.
  • 9.5Implement a SOAP logging mechanism for testing and debugging a Web service application using Java EE Web Service APIs.
  • 9.6Given a set of requirements, create code to handle system and service exceptions and faults received by a Web services client.
Section 10: Web Services Interoperability Technologies
  • 10.1 Describe WSIT, the features of each WSIT technology and the standards that WSIT Implements for each technology and how it works.
  • 10.2. Describe how to create a WSIT client from a Web Service Description Language (WSDL) file.
  • 10.3 Describe how to configure web service providers and clients to use message optimization.
  • 10.4 Create a Microsoft Windows Communication Foundation (WCF) client that accesses a Java web service.
  • 10.5 Describes the best practices for production and consumption of data interoperability between WCF web services and Java web service clients or between Java web services and WCF web service clients.
Section 11: General Design and Architecture
  • 11.1 Describe the characteristics of a Service Oriented Architecture (SOA) and how Web services fit to this model.
  • 11.2 Given a scenario, design a Java EE web service using Web Services Design Patterns (Asynchronous Interaction, JMS Bridge, Web Service Cache, Web Service Broker), and Best Practices.
  • 11.3 Describe how to handle the various types of return values, faults, errors, and exceptions that can occur during a Web service interaction.
  • 11.4 Describe the role that Web services play when integrating data, application functions, or business processes in a Java EE application.
Section 12: Endpoint Design and Architecture
  • 12.1 Given a scenario, design Web Service applications using information models that are either procedure-style or document-style.
  • 12.2 Describe the function of the service interaction and processing layers in a Web service.
  • 12.3 Design a Web service for an asynchronous, document-style process and describe how to refactor a Web Service from a synchronous to an asynchronous model.
  • 12.4 Describe how the characteristics, such as resource utilization, conversational capabilities, and operational modes, of the various types of Web service clients impact the design of a Web service or determine the type of client that might interact with a particular service.






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