What are two reasons for this access failure?

You have created a zones-based security policy that permits traffic to a specific webserver for the marketing team. Other groups in the company are not permitted to access the webserver. When marketing users attempt to access the server they are unable to do so.

What are two reasons for this access failure? (Choose two.)
A . You failed to change the source zone to include any source zone.
B . You failed to position the policy after the policy that denies access to the webserver.
C . You failed to commit the policy change.
D . You failed to position the policy before the policy that denies access the webserver

Answer: CD