Sun Certified Developer for Java Web Services (CX-310-220)

The Sun Certified Developer for Java Web Services certification exam is for developers who have been creating web services applications using Java technology components such as those supported by the Java Web Services Developer Pack and the Java 2, Enterprise Edition 1.4 platform. Passing this exam certifies that the candidate has achieved a standard level of proficiency with web services, as well as with the Java technologies that support web services.

Examination Details :

• CERTIFICATION TYPE : App. Dev. & Prog. Lang. Certs
• DESCRIPTION : Certifies ability to create Web services applications using Java technology components.
• YEAR ESTABLISHED : 2004
• REQUIRED PREREQUISITES : To take the Sun Certified Developer for Java Web Services exam, you must have already achieved the status of Sun Certified Programmer for the Java 2 Platform.
• REC. LEVEL OF EXPERIENCE : 6 months or less
• NO OF EXAMS : 1
• AVERAGE EXAM PRICE : $150

Syllabus

Section 1: XML Web Service Standards

1.1 Given 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 1.0a.
1.2 Describe the use of XML schema in J2EE Web services.
1.3 Describe the use of namespaces in an XML document.

Section 2: SOAP 1.1 Web Service Standards

2.1 List and describe the encoding types used in a SOAP message.
2.2 Describe how SOAP message header blocks are used and processed.
2.3 Describe the function of each element contained in a SOAP message, the SOAP binding to HTTP, and how to represent faults that occur when processing a SOAP message.
2.4 Create a SOAP message that contains an attachment.
2.5 Describe the restrictions placed on the use of SOAP by the WS-I Basic Profile 1.0a.
2.6 Describe the function of SOAP in a Web service interaction and the advantages and disadvantages of using SOAP messages.

Section 3: Describing and Publishing (WSDL and UDDI)

3.1 Explain 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 1.0a.
3.2 Describe how W3C XML Schema is used as a typing mechanism in WSDL 1.1.
3.3 Describe the use of UDDI data structures. Consider the requirements imposed on UDDI by the WS-I Basic Profile 1.0a.
3.4 Describe the basic functions provided by the UDDI Publish and Inquiry APIs to interact with a UDDI business registry.

Section 4: JAX-RPC

4.1 Explain the service description model, client connection types, interaction modes, transport mechanisms/protocols, and endpoint types as they relate to JAX-RPC.
4.2 Given a set of requirements for a Web service, such as transactional needs, and security requirements, design and develop Web service applications that use servlet-based endpoints and EJB based endpoints.
4.3 Given an set of requirements, design and develop a Web sevice client, such as a J2EE client and a stand-alone Java client, using the appropriate JAX-RPC client connection style.
4.4 Given a set of requirements, develop and configure a Web service client that accesses a stateful Web service.
4.5 Explain the advantages and disadvantages of a WSDL to Java vs. a Java to WSDL development approach.
4.6 Describe the advantages and disadvantages of web service applications that use either synchronous/request response, one-way RPC, or non-blocking RPC invocation modes.
4.7 Use the JAX-RPC Handler API to create a SOAP message handler, describe the function of a handler chain, and describe the role of SAAJ when creating a message handler.

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