WXLAN is used to provide policy controls for wireless clients. In the Mist UI, from which construct are these policies built?

WXLAN is used to provide policy controls for wireless clients. In the Mist UI, from which construct are these policies built?
A . Labels — a generic group of attributes or resources referenced by the policy engine.
B . IP objects — configured IP addresses directly entered into the policy engine.
C . Port numbers — control is provided by port numbers directly entered into the policy engine.
D . Containers — a collection of networking resources that can be used in the policy engine.

Answer: A