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IBM Developing Portlets and Web Applications with IBM Web Experience Factory 8.0 Sample Questions:
1. Tim has a web application that accesses a database through a provider model containing SQL Call builders. He thinks there might be a performance problem with one or more of the database calls. How can he get IBM Web Experience Factory to log detailed performance information about all aspects of the database access?
A) He must enable the Log Server Stats input in each SQL Call builder.
B) No changes are required. Web Experience Factory automatically logs performance statistics for all executed actions, such as database access calls.
C) He needs to use a SQL Override builder. This builder provides several fields that enable detailed logging of performance information for database access.
D) He must enable DEBUG-level database performance tracing in the Log4J properties file and redeploy the WAR file.
2. 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) 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.
D) The Discardable Variable builder has been deprecated and should no longer be used.
3. To help diagnose an issue in his model, Sam wants to know more about what is happening during an SQL call. How can he get logging information about what is going on during the SQL call?
A) The information is best obtained from the application server log by the JDBC driver in use.
B) Sam should use a Java debugger to get information from a failing SQL call invocation.
C) The only information available is the SQL call results or exception information in the WEBINF/logs/event.log file if an error occurs.
D) Sam should enable logging for SQL statements, SQL warnings, and server statistic information in the SQL Call builder itself.
4. Samantha inherits a portlet from a coworker that should be using partial page refresh within tab panes. The entire portlet (but not the portal page) seems to be refreshed on each action within the portal page. Which of the following causes could trigger such behavior?
A) The portlet needs to have a Global AJAX Enablement builder added to enable the correct behavior.
B) The outer page that contains the tabs has a <form> tag wrapping the tab panes, so the forms within the tab panes are stripped out by Web Experience Factory to avoid invalid HTML and thus the outer page's form is submitted and the outer page refreshed, for each action.
C) IBM Web Experience Factory Smart Refresh has been disabled using a Theme builder.
D) The portal page on which the portlet is placed was set to server-side aggregation and should be switched to client-side aggregation.
5. Sally has created a simple Hello World model and wants to edit one of the builder calls. How does she begin editing?
A) Double-click the builder call or right-click and Open, then edit in the Builder Call editor.
B) Copy the builder call and edit from the copy, then re-import the builder into the model.
C) Locate the builder call in the Navigator, then use Open With to edit in a text editor.
D) Right-click the builder call and select Edit.
Solutions:
Question # 1 Answer: A | Question # 2 Answer: C | Question # 3 Answer: D | Question # 4 Answer: B | Question # 5 Answer: A |