Adventure Works uses a SharePoint publishing site to host their public-facing website at http://
www.adventureworks.com. The website gives external users the ability to register and sign in to the site to buy
Adventure Works products.
You notice that publicly registered users see the SharePoint ribbon.
You need to ensure that the SharePoint ribbon is available only to content authors and administrators.
What should you do?
A.
Option A
B.
Option B
C.
Option C
D.
Option D
Explanation:
The property CommandUIVisible shows or hides the ribbon section at the top of the application page.
Incorrect:
Not B: Permission should be set to AddAndCustomizePages not ManageSubWeb.Reference: SharePoint, Hide the Ribbon from Anonymous Users
http://www.topsharepoint.com/hide-the-ribbon-from-anonymous-users