Which two statements about tenant bridge domain Layer 2 unknown unicast forwarding modes are true'?

If forwarding mode is flood, unknown Layer 2 unicast is sent to all Layer 2 ports in the bridge domain.

If forwarding mode is proxy, unknown Layer 2 unicast packets are sent to border leaf proxy for forwarding.

By default, multicast traffic is always flooded within the bridge domain VLAN.

Layer 2 unknown unicast can be set to flood or proxy, the default is flood.

If border leaf proxy cannot resolve the destination, packet is flooded.