IBM C9520-911 問題集

質問 1：
The JSR 286 Portlet Specification PLT.C appendix defines the Cascading Style Sheet classes for a variety of logical units in the markup. It follows the styles defined by the OASIS Web Services for Remote Portlets Technical Committee. What is the prefix used for the name of the CSS classes defined in this appendix?
A. wsrp- (for example wsrp-font, wsrp-form-field, wsrp-table-body)
B. portlet- (for example portlet-font, portlet-form-field, portlet-table-body)
C. portal- (for example portal-font, portal-form-field, portal-table-body)
D. css- (for example css-font, css-form-field, css-table-body)
正解：B

質問 2：
On an ongoing basis, Ken wants to track status messages from an application that he is writing. Which one of the following options should he use as a best practice to make the status messages available?
A. He should write them to SystemError.log since they are status messages and could be considered errors.
B. He should use the standard Java logger at an "info" level since "info" is the default trace level for IBM WebSphere Portal server.
C. He should use the standard Java logger at an "error" level since they are status messages and could be considered errors.
D. He should write messages to to SystemOut.log since it is the easiest to implement.
正解：B

質問 3：
Stella is developing a CSS sub-contribution component for her custom module. Which of the followings statements is incorrect regarding CSS sub-contribution types?
A. CSS sub-contributions are valid under both head and config contribution types.
B. CSS sub-contributions are only valid under a head contribution type.
C. When debug is enabled, separate link elements are generated for each CSS URL.
D. The URL referenced in CSS sub-contribution must return valid CSS syntax.
正解：A

質問 4：
What is the outcome if a non-deferred module has a requirement on a deferred module?
A. The server-side combiner framework will ignore both the non-deferred and the deferred module.
B. The server-side combiner framework promotes the deferred module to be non-deferred.
C. The server-side combiner framework will ignore the dependency on the deferred module.
D. The server-side combiner framework demotes the non-deferred module to be deferred.
正解：B

質問 5：
PreferencePortlet is Portlet Specification 2.0-compliant and the system is running IBM WebSphere Portal 8.0. What is the output of the following code? public PreferencePortlet extends GenericPortlet{ protected void processAction(ActionRequest actionRequest, ActionResponse){ actionRequest.getPreferences().setValue("test","ViewModePreferenceValue"); actionRequest.getPreferences().store(); } protected void doView(RenderRequest renderRequest, RenderResponse renderResponse) throws PortletException, IOException { // Generate action URL }
A. This code results in a compiler error because PortletPreference does not have the store() method.
B. The container throws javax.portlet.ReadOnlyException because it is only allowed to view preferences in the processAction() method.
C. The code compiles and executes fine. It stores a "test" preference at the end of the processAction() method call.
D. The container throws java.lang.IllegalStateException because it is not allowed to change preferences in the processAction() method.
正解：C

質問 6：
The following code sample uses the PUMA SPI within a standard portlet.

Sunil needs to retrieve attributes on the current user. Which one of the following lines of code, if inserted at line 6, will provide the functions to retrieve attributes from the User object?
A. PumaProfile p = service.getProfile( (javax.portlet.ActionRequest) request);
B. PumaController p = service getController( (javax.portlet.PortletRequest) request);
C. PumaProfile p = service.getProfile( (javax.portlet.PortletRequest) request);
D. PumaController p = service getController( (javax.portlet.ActionRequest) request);
正解：D