Refer to the exhibit.
Router# configure terminal Router(config)# router bgp 100 Router(config-router)# network 209.165.200.224 mask 255.255.255.224 Router(config-router)# address-family ipv4 vrf vrf-cisco Router(config-router-af)# neighbor 10.10.10.10 remote-as 10 Router(config-router-af)# neighbor 10.10.10.10 activate Router(config-router-af)# end Router# copy running-config startup-config
A network engineer configured BGP PE to CE neighbor sessions with the commands shown. What does ‘address-family ipv4 vrf vrf-cisco’ from the configuration allow?

A.	activates the advertisement of the IPv4 address family
B.	defines customer’s routing context
C.	specifies a network and mask to announce in VRF-Cisco
D.	redistribute VRF-Cisco