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