Which command set is used to configure BFD support for a BGP neighbor that is reachable through GigabitEthernet 0/0/0/0 on Cisco IOS XR?
A. router bgp 300
bfd multiplier 2
bfd minimum-interval 20
neighbor 10.20.20.2
remote-as 200
B. router bgp 300
bfd multiplier 2
bfd minimum-interval 20
neighbor 10.20.20.2
remote-as 200
bfd fast-detect
C. bfd
echo disable
router bgp 300
neighbor 10.20.20.2
remote-as 200
D. bfd
router bgp 300
neighbor 10.20.20.2
remote-as 200
E. interface Gi0/0/0/0
ipv4 verify unicast source reachable-via rx
router bgp 300
bfd multiplier 2
bfd minimum-interval 20
neighbor 10.20.20.2
remote-as 200
bfd fast-detect
F. interface Gi0/0/0/0
ipv4 verify unicast source reachable-via rx
bfd
interface Gi0/0/0/0
echo disable
router bgp 300
bfd multiplier 2
bfd minimum-interval 20
neighbor 10.20.20.2
remote-as 200
