Which one of the following regarding the BGP route refresh feature is correct?
A. Negotiates feature capability during the BGP UPDATE message exchange process.
B. Stores a copy of all the inbound BGP routing information in router memory.
C. Requires preconfiguration using the neighbor soft-reconfiguration command on the router and the BGP peer.
D. Allows a router to request the retransmission of BGP routes from a BGP neighbor.
