Refer to the exhibit.
The two routers have had their startup configurations cleared and have been restarted.
At a minimum, what must the administrator do to enable CDP to exchange information between R1 and R2?
A . Configure the router with the cdp enable command.
B . Enter no shutdown commands on the R1 and R2 fa0/1 interfaces.
C . Configure IP addressing and no shutdown commands on both the R1 and R2 fa0/1 interfaces.
D . Configure IP addressing and no shutdown commands on either of the R1 or R2 fa0/1 interfaces.
Answer: B
Explanation:
If the shut down commands are not entered, then CDP can exchange information between the two routers, else it would fail.