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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.


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