Which statement is true about the internal link between the Routing Engine and the Packet-Forwarding Engine?()
A、A.It is only used for exception traffic.
B、B.It is an FE link called fxp2.
C、C.It is rate-limited to avoid DDOS attacks.
D、D.It is only used to send the forwarding-table from the Routing Engine to the Packet-Forwarding Engine.