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Q61. A team of developers is designing RESTful Web services for a new application. What are three properties of the services? (Choose three.)
A. They can be stateful.
B. They can be stateless.
C. Components communicate by exchanging representations of the resource.
D. Components communicate by directly performing operations on the resource.
E. They require WSDL service API definitions.
F. Responses can be labeled as cacheable or non-cacheable.
Answer: BCF
Q62. An enterprise has a requirement to create a Web service to accept purchase orders. The order data contains some authorization information that is specific to each order (such as, who can access which parts of the order). Keeping in mind future enhancements in types of orders that the enterprise needs to accept, which two design solutions provide the most flexibility? (Choose two.)
A. a Web service interface with one method per accepted XML document type for a purchase order
B. a procedure-style Web service method that lists all data elements and all possible access control options
C. a document-style Web service method that accepts all types of XML documents representing purchase orders.
D. a Web service interface with one method for each combination of data elements and the access control options
Answer: AC
Q63. A developer needs to write a Web service that supports user sessions that timeout after 120 seconds. Which configuration file is correct for the developer use? (Choose one)
A. web.xml
B. server.xml
C. ejb-jar.xml
D. service-config.xml
Answer: A
Q64. Given that a developer implemented a web service using Stateless Session EJB:
If a web service client invokes increment web service method twice consecutively, what must be the returned value after the second invocation ? (Choose one)
A. 0
B. 1
C. 2
D. 3
E. Undefined
Answer: E
Q65. Which statement is true about StAX?
A. StAX provides client parsing control with memory usage similar to DOM.
B. StAX allows clients to start, pause and resume the parsing process.
C. StAX is the only XML parsing approach supported with JAX-WS.
D. StAX is a more efficient version of SAX, based on newer XML technology.
Answer: B
Q66. Which of the following can be used on the SEI's method parameter so that the corresponding generated schema type is wsiap:swaref ? (Choose one)
A. @XMLSchemaType
B. @SwaRef
C. @XmlMimeType
D. @XMLAttachmentRef
Answer: D
Q67. Given the resource class fragment: Choose the code fragment below that would secure access only to the Resource update() method (Choose one):
A. <security-constraint>
<web-resource-collection>
<url-pattern>/rest</url-pattern>
<http-method>GET</http-method>
<http-method>POST</http-method>
</web-resource-collection>
B. <security-constraint>
<web-resource-collection>
<url-pattern>/rest</url-pattern>
<http-method>POST</http-method>
</web-resource-collection>
C. <security-constraint>
<web-resource-collection>
<url-pattern>/rest/id</url-pattern>
<http-method>POST</http-method>
<http-method>GET</http-method>
</web-resource-collection>
D. <security-constraint>D.<security-constraint>
<web-resource-collection>
<url-pattern>/id</url-pattern>
<http-method>POST</http-method>
</web-resource-collection>
Answer: B
Q68. A developer creates the following web service: Assuming that he packages the class in a war file without deployment descriptors, the web service is hosted by a EE container relative to module context at ? (Choose one)
A. "/Invoice"
B. "/InvoicePort"
C. "/InvoiceService"
D. "/InvoiceWebService"
Answer: C
Q69. An MTOM optimized infoset+attachment on the wire for a large binary data saves around X% in size when compared to original infoset, where X is: (Choose one)
A. 10%
B. 20%
C. 30%
D. 60%
Answer: C
Q70. A Web service needs to encrypt certain SOAP headers when responding. Which statement about this encryption is true?
A. The Web service runtime is the appropriate place for such encryption.
B. The Web service business logic is the appropriate place for such encryption.
C. Either the Web service business logic or runtime is appropriate for such encryption.
D. Neither the Web service business logic nor runtime is appropriate for such encryption.
E. Transport level security protocol like SSL should be used to meet the requirements without code changes.
Answer: A
