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Exam : SUN 310-220
Title : Sun Certified Developer for Java Web Services


1. A developer in a business-to-business environment is required to build a Web service client that can be strongly authenticated by a Web service.
What must the developer do to create the client?
A. use role-based security
B. implement form-based security
C. implement basic authentication
D. provide a digital certificate that is signed by a Certificate Authority
Answer: D

2. According to the WS-I Basic Profile 1.0a, a conformant WSDL 1.1 portType definition is allowed to use two type operations (that is, Message-Exchange Patterns).
Which two are allowed? (Choose two.)
A. one-way
B. notification
C. solicit-response
D. request-response
Answer: AD

3. Given:
xmlns:ns0="http://www.w3.org/2001/XMLSchema"
xmlns="http://www.w3.org/2001/XMLSchema"
xmlns:xsd="http://sun.cert/xsdTypes"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">






Assuming that no other namespace declarations exist, which two elements use the long type that is defined in the http://www.w3.org/2001/XMLSchema namespace? (Choose two.)
A.
B.
C.
D.
Answer: AD

4. A stateful Web service is implemented as an EJB based endpoint.
What are two ways to maintain that state? (Choose two.)
A. by using URL re-writing
B. by adding a session cookie to the HTTP headers
C. by adding a conversation id to the SOAP headers
D. by requiring clients to send a client id parameter to all methods
Answer: CD

5. A developer is writing a request-response Web service. An error occurs when the service executes.
Which is true about the Body element of the SOAP reply message?
A. It must NOT contain any fault elements.
B. It must contain zero or one fault element.
C. It must contain an array of fault elements.
D. It can contain as many fault elements as it needs.
Answer: B

6. A developer uses the delete_tModel function to delete five tModels. Which two describe the behavior of the system after the delete_tModel is executed? (Choose two.)
A. The delete_tModel logically deletes the tModels .
B. The tModels cannot be accessed since they are permanently deleted.
C. The deleted tModels still appear in the results returned by find_tModel.
D. The deleted tModels are omitted from any results returned by find_tModel.
Answer: AD

7. Which SAAJ 1.2 type is used to represent SOAP message header blocks?
A. org.omg.dom.Document
B. javax.xml.soap.SOAPPart
C. javax.xml.soap.DetailEntry
D. javax.xml.soap.SOAPHeaderElement
Answer: D

8. Which Java type can be used to represent arbitrary XML data in a JAX-RPC service endpoint interface?
A. org.w3c.dom.Document
B. javax.xml.soap.SOAPPart
C. javax.xml.soap.SOAPElement
D. javax.xml.soap.SOAPException
Answer: C

9. Given:
11: public BulkResponse findCallerAssociations(
12: Collection findQualifiers,
13: Boolean confirmedByCaller,
14: Boolean confirmedByOtherParty,
15: Collection associationTypes);
...
36: BusinessQueryManager queryMngr =
37: registry.getBusinessQueryManager();
38: BulkResponse response =
39: queryMngr.findCallerAssociations(null,
40: Boolean.TRUE,Boolean.FALSE,null);
A developer has established a JAXR connection to a UDDI registry. The developer executes the findCallerAssocations method that is defined in lines 11-15. The context for the method invocation is shown in lines 36-40. The invocation on line 39-40 will return a BulkRespone object.
Which is true about the BulkResponse object?
A. It contains a Collection of Association objects that the other party has confirmed with the caller.
B. It contains a Collection of Organization objects that have confirmed the associations with the caller.
C. It contains a Collection of Association objects that the other party has NOT yet confirmed with the caller.
D. It contains a Collection of Key objects representing UUID keys for organizations that have confirmed the associations with the caller.
Answer: C

10. Where is the Kerberos ticket embedded in a SOAP header processed?
A. Web service interaction layer
B. Web service processing layer
C. Web service interaction and processing layers
D. It is an HTML issue and it is NOT related to Web services.
Answer: A

11. Given:
xmlns:sun="http://sun.cert/types"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
elementFormDefault="qualified">








Assume all XML fragments are well-formed.
Which two instances of Person are correct? (Choose two.)
A.
Monty
Duke

B.
Monty
Duke

C.
Monty
Duke

D.
Monty
Duke

Answer: CD

12. Which two are commonly used as SOAP headers? (Choose two.)
A. security information
B. transaction information
C. postal address information
D. stock quote request information
Answer: AB

13. In addition to SAX2 and DOM Level 2, which is supported by JAXP 1.2?
A. XSLT
B. JAXB
C. SAAJ
D. JDBC
Answer: A

14. Given the type declaration in a WSDL description for a Web service:







The Java code generated by a JAX-RPC service endpoint interface consists of a PurchaseOrder JavaBean.
Which property should the PurchaseOrder JavaBean contain?
A. _any of type java.lang.String
B. PurchaseOrder of type java.lang.Object
C. complexType of type java.lang.Object[]
D. _any of type javax.xml.soap.SOAPElement
Answer: D