In order to avoid loops when sending routing updates, what is the correct technique to prevent a network from being forwarded on the same interface it is learned?

A.
Poison Reverse

B.
The use of access-lists used with distribute-list

C.
Split Horizon

D.
This is not a problem, since this cannot happen.

Explanation:
http://distancelearning.ksi.edu/demo/520/ch06a.html