Refer to the exhibit. Which BGP configuration must be applied to make PE3 use both BGP entries in the Cisco Express Forwarding table?
A. On PE1, apply nexto-hop-self on both PE2 and PE3 neighbors configuration.
B. On the CE, apply bgp add-path on both PE1 and PE2 neighbors configuration.
C. On PE2, bgp advertise-beat-external on the PE3 neighbor configuration.
D. On PE1, apply route-reflect-client on both PE2 and PE3 neighbors configuration.
