Regarding the distribution tree, which of the following description is correct? (Multiple Choice)
A . The multicast distribution tree with the multicast source as the root and the multicast group members as the leaves is called RP
C . The multicast distribution tree with RP (RENDEZVOUS POINT) as the root and multicast group members as leaves is called SP
E . SPT is applicable to both PIM-DM and PIM-SM
F . RPT is applicable to both PIM-DM and PIM-SM
Answer: BC