Which two statements are true about Primary and Secondary Pages in Oracle Site Studio?

Which two statements are true about Primary and Secondary Pages in Oracle Site Studio?

A.
You can assign a layout page as a primary page recursively to all subsections.

B.
A secondary page of a site section is its landing page.

C.
A secondary page serves as the backdrop for content added to the site by a contributor.

D.
A primary page serves as the backdrop for content added to the site by a contributor.

Explanation:
http://download.oracle.com/docs/cd/E10316_01/SiteStudio/10gr4/WebHelpDesigner/c08_building_site022.htm