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All networks shown in the exhibit contain more than one BGP speaking router. You operate ISP A. You must ensure that customer Y sends their traffic to you over the directly connected link but customer Y is not used for transit into your network.
What do you do to accomplish this?
A. Advertise routes to customer Y with the well-known no-transit community.
B. Advertise routes to customer X with the well-known no-advertise community.
C. Advertise routes to customer Y with the well-known no-export community.
D. Advertise routes to customer X with the well-known as-transit community.
Answer: C