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Exam : IBM 000-288
Title : Test288,developing web services with websphere studio v5.1


1. According to Web Services for J2EE (JSR-109), a compliant Web Service can be implemented as:
A. Entity EJB
B. Stateless session EJB
C. Service Endpoint
D. Stateful session EJB
Answer: BC

2. SOAP attachments are non-XML files that accompany a SOAP message. A Web Service SOAP attachment:
A. Is transport-dependent
B. Consists of a primary part and at least one secondary part
C. Can be indicated by a MIME type
D. Cannot reference a later attachment
E. Must contain binary data
Answer: BC

3. Which of the following statements concerning the mapping of XML constructs to Java as defined by JAX-RPC are correct?
A. JAX-RPC defines mappings for XML complex types (xsd:complexType)
B. JAX-RPC defines mappings for XML arrays and XML enumerations
C. JAX-RPC defines mappings for xsd:anyType
D. JAX-RPC does not define mappings for SOAP encoded types
E. xsd:int will map to java.lang.Integer if the xsd:int element is marked as nillable in the base Schema
Answer: ABE

4. A developer implements an EJB Web Service conforming to Web Services for J2EE (JSR-109). Which of the following artifacts need to be packaged with the J2EE EAR for the Web Service?
A. Service Endpoint Interface
B. Soap Binding Stub
C. Java to WSDL mapping XML File
D. Service Locator class
E. WSDL file
Answer: ACE

5. Please refer to the exhibit. The client uses the UDDI registry and the Web Service proxy to discover and add flange services to a service list. Assume that the list is implemented as a vector of service keys. Choose the BEST approach to accessing vendor name, description, and contacts when a user clicks an entry in the list. Use the
A. service key of the clicked entry to obtain the business key from the registry, retrieve the business entry using the business key; display the business name, description and contacts.
B. service key of the clicked entry to obtain the service details; extract the business key from the service details, retrieve the business entry using the business key; display the business name, description and contacts
C. business key of the clicked entry to retrieve the business entry using the service key; display the business name, description and contacts.
D. business key of the clicked entry to retrieve the service entry using the service key; display the business name, description and contacts
Answer: B

6. Which of the following are TRUE of JAX-RPC clients?
A. JAX-RPC clients can use a synchronous request-response invocation mode
B. JAX-RPC clients can use a one-way RPC invocation mode in which they invoke a remote operation and return immediately without blocking.
C. JAX-RPC clients must invoke a Web Service using a static stub generated at compile time
D. JAX-RPC client code is independent of the messaging and transport protocol.
E. The client stubs (that are generated by tooling) must be portable across vendors.
Answer: ABD

7. Which of the following are TRUE with regard to Web Service clients?
A. A single Stub can be used to access all ports defined in a WSDL file.
B. Dynamic Proxies require code generation of Stubs.
C. Java applications can invoke Web Services using Stubs or Dynamic Proxies.
D. Dynamic Invocation Interfaces de-couple transport bindings and protocols from the Web Service client implementations.
E. ServiceLocators de-couple Web Service clients from Web Service endpoints.
Answer: CE

8. Which of the following statements express the benefits of creating import statements in the WSDL editor?
A. allows separation of definitions
B. supports separation of roles
C. enables modularity
D. improves performance
E. reduces the number of documents
Answer: AC

9. According to JAX-RPC, each PortType element in a WSDL document is mapped to which Java object?
A. Service Endpoint Interface
B. Service Interface
C. Service Implementation Bean
D. ServiceBindingStub
Answer: A

10. To access the Web Service User-Defined Function wizard, a developer would begin by clicking "File -> New -> Other" to invoke the New dialog. Which category on the detail (left) pane would she click on to display Web Service User-Defined Function in the detail pane?
A. Web Services
B. Data
C. J2EE
D. Web
E. UDF
Answer: B

11. Which of the following statements regarding JAX-RPC Handlers is NOT true?
A. Client-side Handlers run after the Stub/proxy has marshaled the message, but before container services and the transport binding occurs.
B. Server-side Handlers run after container services have run including method level authorization, but before demarshalling and dispatching the SOAP message to the endpoint.
C. Handlers can modify the SOAP message and operation name.
D. Currently there is no standard means for Handlers to access the security identity associated with the request.
Answer: C

12. A J2EE web application needs to access a Web Service for its data processing. It has been decided to use client proxies to access the Web Service. While the operation, parts and service endpoint are known at the time of application development the port and the bindings are known only during runtime. Which of the following type of client proxies would BEST suit this application?
A. Dynamic Invocation Interface
B. Dynamic Proxies
C. Stubs
D. Service Endpoint Interface
E. Handlers
Answer: B

13. Which of the following approaches for development of Web Services using WebSphere Studio Application Developer V5.1 are top-down?
A. Web Service from JavaBean
B. Web Service from ISD
C. JavaBean from WSDL
D. Java client proxy from WSDL
E. JavaBean from XSD
Answer: C

14. A Web Service dynamic client could find information in a UDDI registry by using the UDDI4J API with what kind of object?
A. com.ibm.uddi.client.Proxy
B. com.ibm.uddi.client.ConnectionFactory
C. com.ibm.uddi.client.Connection
D. com.ibm.uddi.client.UDDIProxy
Answer: D