A.
R3(config)#router bgp 200 R3(config-router)#neighbor 10.4.4.4 remote-as 100 R3(config-router)# neighbor 10.4.4.4 update-source Loopback0 R4(config)#router bgp 100 R4(config-router)#neighbor 10.3.3.3 remote-as 200 R4(config-router)#network 10.3.3.3 update-source Loopback0
B.
R3(config)#router bgp 200 R3(config-router)#neighbor 10.24.24.4 remote-as 100 R3(config-router)#neighbor 10.24.24.4 update-source Loopback0 R4(config)#router bgp 100 R4(config-router)#neighbor 10.24.24.3 remote-as 200 R4(config-router)#neighbor 10.24.24.3 update-source Loopback0
C.
R3(config)#router bgp 200 R3(config-router)#neighbor 10.4.4.4 remote-as 100 R3(config-router)#bgp router-id 10.3.3.3 R4(config)#router bgp 100 R4(config-router)#neighbor 10.3.3.3 remote-as 200 R4(config-router)#bgp router-id 10.4.4.4
D.
R3(config)#router bgp 200 R3(config-router)#neighbor 10.24.24.4 remote-as 100 R3(config-router)#bgp router-id 10.3.3.3 R4(config)#router bgp 100 R4(config-router)#neighbor 10.24.24.3 remote-as 200 R4(config-router)#bgp router-id 10.4.4.4