Which statements are true?

Refer to the exhibit.

All Ethernet ports are trunked with VLANs 2 thru 10. The Cisco UCS domain is in end-host mode. Host A transmits a single broadcast frame on VLAN 4.
Which statements are true? (Choose two.)
A. Nexus 5548 A and Nexus 5548 B send a copy of the broadcast frame down all six ports to Fabric Interconnect A and Fabric Interconnect B.
B. The deja vu mechanism on the fabric interconnects prevents the fabric interconnects from receiving multiple copies of the broadcast frame.
C. All four vNICs receive a single copy of the broadcast frame.
D. All four vNICs receive multiple copies of the broadcast frame on VLAN 4 but no broadcasts on any other VLAN.
E. The spanning tree process prevents the vNICs from receiving multiple copies of the broadcast frame.
F. The Reverse Path Forwarding mechanism prevents the vNICs from receiving multiple copies of the broadcast frame.