Which of the following options is correct about the optimal route election for various protocols?

Which of the following options is correct about the optimal route election for various protocols?
A . Route entries with unreachable next hops in BGP are also put into the IP routing table.
B . In the BGP protocol, the optimal route to the same destination network segment is selected by comparing the cost value of the route entry.
C . The OSPF protocol will put all the routing information in the LSDB into the IP routing table.
D . Learn different route entries to the same destination network segment from BGP and OSPF, and select the optimal route to add to the IP routing table by comparing the preference value of the protocol.

Answer: D