Hershel wants to programmatically check if specific users have access to his company's new portlet application, in order to show a message in another portlet asking them to purchase a subscription. He is trying to do so with the least amount of performance overhead. What would be the best way for Hershel to accomplish this?

• A. He should use the com.ibm.portal.ac.RoleData interface to verify explicit role assignments.
• B. He should use AccessControlRuntimeModel or AccessControlGlobalRuntimeModel to verify explicit role assignments.
• C. He should read role assignments using the com.ibm.portal.ac.RoleData interface and ensure portlet caching is enabled.
• D. He should use the com.ibm.portal.ac.UserRoles interface to verify explicit role assignments.

Roger has been discussing iWidgets with a prospective client and has been highlighting certain aspects of the specification. Which of the following statements is false and thus ill-advised?

• A. Overall page management components are provided by the iContext. These include iWidget coordination, page layout and controls, andbackend service interaction.
• B. Three modes are defined in the iContext Constants (VIEW, EDIT and HELP). An iWidget does not need to support all three modes.
• C. iScope is a mechanism to support encapsulation of an iWidget's assests.
• D. The iDescriptor is a special ManagedItemSet which is always persisted by the iContext.

The portlet.xml file for SamplePortlet looks like this:

Assuming that no modifications have been made to the properties bundle, what would be written into SystemOut.log?

• A. CertTargetPortlet
• B. Null
• C. java.util.MissingResourceException: Can't find resource for bundle
• D. java.lang.NullPointerException

The XYZ company has a custom portlet that provides access to data from the company's mainframe. Twice a day, the mainframe performs a batch process to update the data. During the batch process, the portlet cannot access the data. Which one of the following options allows Sara to hide the portlet during the batch processing times?

• A. Use the Personalization editor to create a portlet visibility rule and to assign the rule to the portlet.
• B. Use the Policy editor to create a portlet availability policy and to assign the policy to the portlet.
• C. Use the Personalization editor to create a portlet visibility rule, then use the Page Layout editor to assign the rule to the portlet.
• D. Use the Policy editor to create a portlet availability policy, then use the Page Layout editor to assign the policy to the portlet.

Which of the following statements is not a true statement about the Portlet Login service?

• A. The login service can be used to trigger a form-based login to IBM WebSphere Portal from any portlet.
• B. The login service can be used to change the default behavior in reaction to particular errors that might occur during the login, such asredirecting the user to a change password page if the user's password is expired.
• C. The login service can be used to propagate information to the WebSphere Portal login, for example, in the javax.security.auth.Subject objectpassed on to the JAAS login.
• D. The login service can be used to retrieve a com.ibm.portal.um.User object representing the current user and providing the current user'sprofile attributes.