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IBM Developing Portlets and Web Applications with IBM Web Experience Factory 8.0 Sample Questions:

1. Christine wishes to leverage the REST Service Call builder's ability to restructure the generated result schema and result structure. How should she do this?

A) She should implement the RestructureFeedData interface, register it, and select it in the REST Service Call builder's "Restructure Type" input.
B) She should directly modify the the result schema in the REST Service Call builder's "Result Schema" input and the REST Service Call builder will reshape the data to this structure at runtime.
C) She should choose to follow the steps in either answer B or answer C.
D) She should add a REST Service Call Restructure builder and register it with the REST Service Call builder.

2. Jose is designing web services that will return very large record sets (in the 1000's). He is also designing an IBM Web Experience Factory application to consume them and plans to use Web Experience Factory's Paging features to paginate over the large record sets. How should paging be configured for the web services?

A) He should use enable the Web Service Call to return a DataRetriever and then add a Paging Assistant builder and point to the variable created by the results of the web service call.
B) He should simply enable paging in the Data Column Modifier builder. Web Experience Factory automatically chunks the data from the backend web service into the app server memory.
C) He should consider using The Chunked Data Retriever builder, which allows you to specify a start index and fetch size before invoking a web service.
D) Jose should consider implementing a start index and fetch size parameter in his underlying web services that return large record sets. Then in Web Experience Factory he can implement the DataRetriever interface which enables the Paging Assistant builder to return "chunks" from the underlying service rather that marshalling the entire record set into the application server's memory.

3. Jakob wants to enable system tracing to track down a performance problem in a services consumer model. How is system tracing enabled?

A) Add a Tracing builder call to the end of the model.
B) Enable system tracing in the run configuration being used for the model.
C) Enable the system tracing input when stubbing out a main method for testing the model.
D) Add a Tracing builder call to the beginning of the model.

4. Al has created a SQL DataSource and SQL calls and used the Service Definition builder call to expose the back-end data. Since Al is the back-end database administrator and does not do UI work, he hands the project off to a UI developer to build a consumer portlet in the same project. What is the minimum amount of information that this developer needs to find to start building his service consumer?

A) The URLs to the WSDL and Schema documents for the provider.
B) The names of the actions called by the provider service operations
C) The provider SQL calls and their syntax
D) The provider model name

5. Jane wants to debug the Java code in one or more of the Method builders in her model. How can she leverage the Eclipse Java debugger to do so?

A) System.out.println is the only way to debug Java associated with Method builders.
B) She must purchase full rights to the IBM Web Experience Factory source to debug generated Java.
C) This feature is not yet supported.
D) Right-click a method in the Application Tree view to set/toggle a breakpoint. Start the application server in debug mode and run the model with a remote Java debug configuration, as documented in the Web Experience Factory help.

Solutions: