Click the Exhibit button. You are an employee of ISP A. You must not allow traffic between
ISP B and ISP C to cross your network, but customers of ISP B and ISP C must be able to
reach your customers. Referring to the exhibit, which two actions would do this? (Choose
two.)

A.
Use policy to filter routes on AS number.

B.
Use origin code to identify and filter routes.

C.
Use communities to identify and filter routes.

D.
Use the well-known no-advertise community.