Corporation XYZ is enabling multicast on its WLANs in order to enable company meetings to be streamed to employee laptops. The company wishes to block specific unwanted multicast traffic from traversing the wireless network. What is the best way to filter multicast traffic going toward wireless clients? 

Answer options:

A. use a WLC ACL on the management interface
B. use a CPU ACL on the WLC
C. use a WLC ACL on the dynamic interface for all WLANs
D. use an ACL on the first-hop router

D