Which two of traffic are carried over a vPC peer link when no failure scenarios are present? (Choose
two.)

A.
Multicast data traffic

B.
Unicast data traffic

C.
Broadcast data traffic

D.
vPC keep-alive messages

Explanation:

http://www.cisco.com/en/US/docs/switches/datacenter/sw/4_2/nxos/interfaces/configuration/guide/if_vPC.html#wp1558485