Michele wants to redirect a user’s request to a specific portal page, but only if the “validated”
cookie does not exist. Which can be used to check every request made to the portal by the user
and make a redirection when needed?

A.
com.ibm.portal.portlet.filter.PortletFilter

B.
javax.servlet.http.HttpSessionAttributeListener

C.
com.ibm.portal.auth.SessionvalidationFilter

D.
com.ibm.portal.filter.RequestRedirectionFilter