Refer to the exhibit.
AS65510 iBGP is configured for directly connected neighbors. R4 cannot ping or traceroute network 192 168.100.0/24 Which action resolves this issue?
A. Configure R4 as a route reflector server and configure R1 as a route reflector client
B. Configure R1 as a route reflector server and configure R2 and R3 as route reflector clients
C. Configure R4 as a route reflector server and configure R2 and R3 as route reflector clients.
D. Configure R1 as a route reflector server and configure R4 as a route reflector client
