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IBM C9520-927 Exam Syllabus Topics:

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

1. Anna has been testing a model and is concerned about the time certain actions seem to be taking. Her development environment is a high-end system, and other portlets she has developed have not exhibited the kind of response time lag that she and her testers perceive. She suspects one of the data services builders is experiencing network latency, but is unsure where the real problem lies. What actions can she take to help isolate the performance issue?

A) Consult the performance log, which is created by default with each model run.
B) Dedicate a larger Java HEAP_SIZE to the main method associated with the model that is suspect.
C) Enable system tracing in the run configuration tab to log the execution time for each action (page or method).
D) System tracing is enabled by default. Anna can check SystemTrace.log for model action times.

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 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.
B) 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.
C) 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.
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. An event can be defined for the Client Event Handler builder with which other builder?

A) Client Side Event Declaration
B) Submit Form Event
C) Dojo Form Dialog
D) Event Declaration

4. Which of the following best describes the Discardable Variable builder?

A) This builder removes all unused variables from the web application to minimize the size of the
application. The variables no longer show up in the Web Application Design view in IBM Web Experience Factory Designer after applying this builder.
B) This builder stores all variable data in browser cookies, with a specified expiration time after
which the browser discards the values.
C) The Discardable Variable builder has been deprecated and should no longer be used.
D) This builder can be used to mark a variable created by other builders as discardable so that its
value is not stored past the end of the request,
unless developers specify that it should be cached and for how long to cache it.

5. Jim has a model with multiple profile sets. He wants to test different combinations of the profiles. Where should he go to accomplish this task?

A) A newly created Profile Execution builder call
B) The Profile itself, from the original input (it can be copied form here)
C) The Applied Profiles view, represented as a tab
D) The Navigator, where it can be dragged and dropped to the new model

Solutions: