Refer to the exhibit. Routers R1 and R2 are to be configured as VoIP gateways. On the basis of the information in the exhibit, which interface FastEthernet0/0 configuration would be valid?
A.
R1(config-if)# dial-peer voice 2 pots
R1(config-dial-peer)# destination-pattern 1111
R1(config-dial-peer)# session target ipv4:10.1.1.1
B.
R1(config-if)# dial-peer voice 2 voip
R1(config-dial-peer)# destination-pattern 1111
R1(config-dial-peer)# session target ipv4:10.1.1.1
C.
R2(config-if)# dial-peer voice 2 pots
R2(config-dial-peer)# destination-pattern 1111
R2(config-dial-peer)# session target ipv4:10.1.1.1
D.
R2(config-if)# dial-peer voice 2 voip
R2(config-dial-peer)# destination-pattern 1111
R2(config-dial-peer)# session target ipv4:10.1.1.1