Refer to the Cisco IOS configuration exhibit.
interface Gi0/0 ip multicast boundary 1 ! access-list 1 deny 224.0.1.39 access-list 1 deny 224.0.1.40 !
Which statement is correct?

A.	This configuration is typically configured on the boundary routers within a PIM SM domain to filter out malicious candidate-RP-announce and candidate-RP-discovery packets
B.	This configuration is typically configured on the RPs within a PIM-SM domain to restrict the candidate-RP-announce packets
C.	This configuration is typically configured on the mapping agents within a PIM-SM domain to restrict the candidate-RP-discovery packets
D.	This configuration is typically configured on the MSDP peering routers within a PIM-SM domain to filter out malicious MSDP SA packets