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多选题
What are three facts control plane policing？ （）
A
a set of rules that can be established and associated with the ingress and egress ports of the control plane
B
improves performance of the control plane by marking control plane packets with DSCPEF
C
protects the control plane on a router from DoS attacks
D
treats the control plane as a separate entity with its own ingress （input） and egress （output） ports
E
provides the control plane with a separate token bucket
F
enhances security of the control plane by tunneling packets to and from the control plane
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The Ethanalyzer captures control-plane traffic， while SPAN captures all traffic.B
The Ethanalyzer captures all traffic including control-plane traffic， while SPAN captures only the control-plane traffic.C
The Ethanalyzer captures only data traffic， while SPAN captures all traffic.D
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单选题On what is the Kompella control plane based?（）A
IGPB
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