In a R71 ClusterXL Load Sharing configuration, which type of ARP related problem can force the
use of Unicast Mode (Pivot) configuration due to incompatibility on some adjacent routers and
switches?

A.
Multicast MAC address response to a RARP request

B.
Multicast MAC address response to a Unicast IP request

C.
Unicast MAC address response to a Multicast IP request

D.
MGCP MAC address response to a Multicast IP request

Explanation: