A network administrator needs to configure a serial link between the main office and a remote location. The router at the remote office is a non-cisco router. How should the network administrator configure the serial interface of the main office router to make the connection?
A.
Main(config)#interface serial 0/0 Main(config-if)#ip address 172.16.1.1 255.255.255.252 Main(config-if)#no shut
B.
Main(config)#interface serial 0/0 Main(config-if)#ip address 172.16.1.1 255.255.255.252 Main(config-if)#encapsulation ietf Main(config-if)#no shut
C.
Main(config)#interface serial 0/0 Main(config-if)#ip address 172.16.1.1 255.255.255.252 Main(config-if)#encapsulation frame-relay Main(config-if)#authenication Main(config-if)#no shut
D.
Main(config)#interface serial 0/0 Main(config-if)#ip address 172.16.1.1 255.255.255.252 Main(config-if)#encapsulation PPP Main(config-if)#no shut