Which description is wrong about BGP routing updates?
A . When the route is updated, the BGP device only sends the updated BCP route.
B . BGP periodic update
C . If there is no RR, the BGP route obtained from the IBGP peer is advertised by the BGP device to its EBGP peer.
D . The BGP route obtained from the EBGP peer is advertised by the BGP device to all its EBGP and IBGP peers.
Answer: B