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Java Platform, Enterprise Edition 6 Web Services Developer Certified Expert Exam

Question No: 31 – (Topic 0)

Choose the code fragment that corresponds to a resource delegating processing of a request to a subresource correctly, when processing the URL quot;/parent/childquot; (Choose one):

  1. @Path(quot;/parentquot;) class Parent {

    @Path(quot;/childquot;)

    Child getChild() { return new Child(); }

    }

    class Child {

    @GET String getName() { return quot;namequot;; }

    }

  2. @Path(quot;/parentquot;) class Parent {

    @GET @Path(quot;/childquot;)

    Child getChild() { return new Child(); }

    }

    class Child {

    @GET String getName() { return quot;namequot;; }

    }

  3. @Path(quot;/parentquot;) class Parent {

    @Path(quot;/childquot;)

    Child getChild() { return new Child(); }

    }

    @Path(quot;/childquot;) class Child {

    @GET String getName() { return quot;namequot;; }

    }

  4. @Path(quot;/parentquot;) class Parent {

@Path(quot;/childquot;)

Child getChild() { return new Child(); }

}

class Child {

String getName() { return quot;namequot;; }

}

Answer: A

Question No: 32 – (Topic 0)

Which two statements are true about creating a Web service with JAX-WS? (Choose two.)

  1. Stateless Web services must be created with HTTP servlet endpoints.

  2. Creating the portable artifacts by hand is slow, but makes a service easier to maintain.

  3. All Java-based endpoints share a common packaging model.

  4. EJBs can serve as endpoints if hosted in a container with runtime and service support.

  5. JAX-WS supports creating services from source and compiled code without a WSDL.

Answer: D,E

Question No: 33 – (Topic 0)

If you are developing a Web Service starting from WSDL 1.1, how would you declare in wsdl that the Web Service requires the use of Addressing in a standard and interoperable way.

  1. Declare a policy as

    lt;wsp:Policygt;

    lt;wsam:Addressing wsp:Optional=quot;truequot;gt;

    lt;wsp:Policy/gt;

    lt;/wsam:Addressinggt;

    lt;/wsp:Policygt;

    and attach it the corresponding wsdl:portType so that it applies to all the wsdl:operations in its scope.

  2. Declare a policy as

    lt;wsp:Policygt;

    lt;wsam:Addressing wsp:Optional=quot;truequot;gt;

    lt;wsp:Policy/gt;

    lt;/wsam:Addressinggt;

    lt;/wsp:Policygt;

    and attach it the corresponding wsdl:binding so that it applies to all the wsdl:operations in its scope.

  3. Declare a policy as

    lt;wsp:Policygt;

    lt;wsam:Addressinggt;

    lt;wsp:Policy/gt;

    lt;/wsam:Addressinggt;

    lt;/wsp:Policygt;

    and attach it the corresponding wsdl:binding so that it applies to all the wsdl:operations in its scope.

  4. Declare a policy as

lt;wsp:Policygt;

lt;wsam:Addressinggt;

lt;wsp:Policy/gt;

lt;/wsam:Addressinggt;

lt;/wsp:Policygt;

and attach it the corresponding wsdl:service so that it applies to all the wsdl:ports in the service scope.

Answer: C

Question No: 34 – (Topic 0)

In the following situation, Client C sends a SOAP request to Service S and the response is to be processed by a third party response processor R. Which of the following SOAP headers in the request message convey the intention? Assume the endpoint reference of Service S is

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  1. lt;s11:Headergt;

    lt;wsa:Actiongt;http://example.com/action/processlt;/wsa:Actiongt;

    lt;wsa:ReplyTogt;

    lt;wsa:Addressgt;http://www.w3.org/2005/08/addressing/nonelt;/wsa:Addressgt;

    lt;wsa:ReplyTogt;

    lt;/s11:Headergt;

  2. lt;s11:Headergt;

    lt;wsa:Actiongt;http://example.com/action/processlt;/wsa:Actiongt;

    lt;wsa:ReplyTogt;

    lt;wsa:Addressgt;http://www.w3.org/2005/08/addressing/anonymouslt;/wsa:Addressgt;

    lt;wsa:ReplyTogt;

    lt;/s11:Headergt;

  3. lt;s11:Headergt;

    lt;wsa:Actiongt;http://example.com/action/processlt;/wsa:Actiongt;

    lt;wsa:ReplyTogt;

    lt;wsa:Addressgt;http://example.com/responseprocessorlt;/wsa:Addressgt;

    lt;wsa:ReplyTogt;

    lt;/s11:Headergt;

  4. lt;s11:Headergt;

lt;wsa:Actiongt;http://example.com/action/processlt;/wsa:Actiongt;

lt;wsa:ReplyTogt;

lt;wsa:Addressgt;http://example.com/servicelt;/wsa:Addressgt;

lt;wsa:ReplyTogt;

lt;/s11:Headergt;

Answer: C

Question No: 35 – (Topic 0)

Given stock quote web service endpoint:

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and the corresponding client side artifacts for the above web service are :

StockQuoteService is the Service class and StockQuoteProvider is the corresponding SEI. Which of the following two options enable addressing feature for proxy for the StockQuoteProvider SEI ? (Choose two)

  1. proxy = new StockQuoteService().getStockQuoteProvider()

  2. proxy = new StockQuoteService().getStockQuoteProvider(new AddressingFeature())

  3. proxy = new StockQuoteService().getStockQuoteProvider(new AddressingFeature(false))

  4. proxy = new StockQuoteService().getStockQuoteProvider(new AddressingFeature(false, true))

Answer: A,B

Question No: 36 – (Topic 0)

What is an advantage of enabling Addressing feature on an endpoint?

  1. Addressing ensures reliable transfer of messages between client address and the service address.

  2. Addressing ensures the message exchanges between the client and service are properly secured.

  3. Addressing enables the optimization of messages exchanged between the client and the service.

  4. Addressing provides transport-neutral way to address the endpoints and messages.

Answer: D

Question No: 37 – (Topic 0)

Which two statements are true about JAX-WS support for data bindings? (Choose two.)

  1. Data binding is performed with only generated classes to reduce errors and hide complexity.

  2. JAXB 2.0 is preferred.

  3. Inline binding declarations with XML Schema are NOT supported for JAXB 2.0.

  4. SAAJ 1.3 is supported for data binding with SOAP.

  5. JAX-RPC data binding is recommended for cross-platform interoperability.

Answer: B,D

Question No: 38 – (Topic 0)

Which three statements are true about JAXP APIs? (Choose three.)

  1. They are a part of Java SE 6.

  2. They allow Java developers to access and process XML data without having to know XML or XML processing.

  3. They do NOT support validation of XML documents against schemas.

  4. It supports the Streaming API for XML.

  5. It requires the Streaming API for XML.

  6. They provide developers with a vendor and parser-implementation independent API to process XML.

Answer: A,D,F

Question No: 39 – (Topic 0)

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

  1. Schema compiler.

  2. Built-in SAX parser

  3. Schema generator.

  4. Built-in DOM parser.

  5. Binding runtime framework.

  6. Schema interpreter.

Answer: A,C,E

Question No: 40 – (Topic 0)

Which statement is true about StAX?

  1. StAX provides client parsing control with memory usage similar to DOM.

  2. StAX allows clients to start, pause and resume the parsing process.

  3. StAX is the only XML parsing approach supported with JAX-WS.

  4. StAX is a more efficient version of SAX, based on newer XML technology.

Answer: B

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