Referring to the exhibit, which two methods could you use?

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You work for ISP A. Customers of both ISP B and ISP C must be able to reach all of your customers, but your network must not allow transit traffic between ISP B and ISP C.

Referring to the exhibit, which two methods could you use? (Choose two.)

A. Use local preference to prefer the proper routes.

B. Use the well-known no-transit community.

C. Use policy to filter routes on AS number.

D. Use communities to identify and filter routes.

View Answer

Answer: C,D