Refer to the exhibit.
A network technician is unable to ping from R1 to R2.
Using the output of the show interfaces serial0/1 command, what should the administrator do to correct the problem?
A . Replace the serial cable between R1 and R2.
B . Reseat the serial connectors on the R1 and R2 routers.
C . Configure the serial0/1 interface on R2 with the no shutdown command.
D . Configure the serial0/1 interface on R1 with the clock rate 56000 command.
E . Configure the serial0/1 interface on R1 with the ip address 192.1.1.7 255.255.255.252 command.
Answer: C