Which three actions should be taken to accomplish this goal?

An engineer configures a new Cisco ACI Multi-Pod and must set up the link between the spine and the IPN device .

Which three actions should be taken to accomplish this goal? (Choose three.)
A . Enable MP-BGP routing
B . Enable BIDIR-PIM protocol
C . Enable PIM-SM protocol
D . Enable OSPF routing
E . Enable IS-IS routing
F . Enable DHCP relay

Answer: A,B,F