Regarding the role of route filtering, the following description which is correct? (Multiple choice)

Regarding the role of route filtering, the following description which is correct? (Multiple choice)
A . Suboptimal routes caused by route introduction cannot be avoided.
B . Can be used for precise route import and route advertisement control.
C . Avoid routing loops caused by unused routing feedback.
D . Routing loops caused by inevitable inappropriate routing feedback.

View Answer

Answer: ABC