Which two sets of configurations bring the neighbors up?

Refer to the exhibit.

The neighbor relationship is not coming up.

Which two sets of configurations bring the neighbors up? (Choose two)
A . R2
ip route 10.1.1.2 255.255.255.255 192.168.1.2
router bgp 100
neighbor 10.1.1.2 ttl-security hops 1
neighbor 10.1.1.2 update-source loopback 0
B . R1
ip route 10.1.1.2 255.255.255.255 192.168.1.2
router bgp 100
neighbor 10.1.1.2 disable-connected-check
neighbor 10.1.1.2 update-source loopback0
C . R2
ip route 10.1.1.1 255.255.255.255 192.168.1.1
router bgp 200
neighbor 10.1.1.1 disable-connected-check
neighbor 10.1.1.1 update-source loopback0
D . R2
ip route 10.1.1.1 255.255.255.255 192.168.1.1
router bgp 200
neighbor 10.1.1.1 ttl-security hops 1
neighbor 10.1.1.1 update-source loopback 0

View Answer

Answer: B C