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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. 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) 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.
D) 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.

2. Rob is creating a dynamic portlet of summary data but wishes to give the administrator the ability to turn a specific column of data on and off in the portlet's configuration. Which method best describes how this can be accomplished within the context of IBM Web Experience Factory's development environment?

A) Use a Data Column Modifier to hide the column then profile enable the status field for that column.
B) A configuration builder call can be used immediately before the builder call where the column data is defined, providing it with choices for visibility.
C) Alternate HTML templates can be provided in separate WAR files for deployment.
D) The Summary Data Column can be used to create a profile entry.

3. Which of the following statements is true with respect to IBM Web Experience Factory and security?

A) Web Experience Factory uses IBM WebSphere Portal authentication of users and authorization of which users can access which portlets.
B) Web Experience Factory automates security for and provides authorization rules forcing authentication for access to widgets.
C) A development WAR file created from Web Experience Factory Designer and deployed to WebSphere Portal provides the same level of security as a production deployment portlet WAR file created by explicitly creating a portlet WAR file in IBM Web Experience Factory Designer, or by command-line portlet WAR file creation.
D) Web Experience Factory deployment of portlet WAR files require J2EE web.XML-based security constraints to protect against running models directly using the /webengine servlet.

4. 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) This feature is not yet supported.
C) 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.
D) She must purchase full rights to the IBM Web Experience Factory source to debug generated Java.

5. Lydia needs to create a set of CRUD services for a database table. The columns that must be retrieved from the database are a subset of those defined for the table. What is the most efficient way for Lydia to create these services?

A) Use the SQL Data Services builder to generate all of the CRUD operations and explicitly specify the set of columns used for the List and Retrieve operations.
B) Use the SQL Service Definition builder and apply a Data Column Modifier to select only the desired columns.
C) Use the SQL View and Form builder to define the CRUD services and automatically generate the CRUD user interface.
D) Create a SQL Call builder for each CRUD operation and use a SQL Statement override to explicitly choose those columns needed for the SELECT operation.

Solutions: