Refer to the Cisco IOS configuration exhibit.
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
Answer: A
Explanation:
