R1 is designated as the PIM RP within the SP core. Which two configuration parameters must be used to enable and activate R1 as the BSR and RP for the core environment? (Choose two.)
A. ip pim send-rp-announce loopback0 scope 16
B. ip pim bsr-candidate loopback0
C. ip pim send-rp-discovery loopback0 scope 16
D. ip pim rp-candidate loopback0
E. ip pim send-RP-announce loopback0 scope 16 group-list 1
