If a DR needs to be elected between multicast routers running PIM-SM to be responsible for the sending and receiving of source or member multicast data, which one is described correctly below for the DR election rule?

If a DR needs to be elected between multicast routers running PIM-SM to be responsible for the sending and receiving of source or member multicast data, which one is described correctly below for the DR election rule?
A . PIM routers with long interface masks are elected dr.
B . Compare the DR priority first; With the same priority, you need to compare the interface IP addresses of the PIM routers to elect dr
C . PIM routers with small IP addresses are elected D
D . PIM routers with low
E . DR priority values are elected D

Answer: B