What occurs on a Frame Relay network when the CIR is exceeded?（）
- A、All TCP traffic is marked discard eligible.
- B、All UDP traffic is marked discard eligible and a BECN is sent.
- C、All TCP traffic is marked discard eligible and a BECN is sent.
- D、All traffic exceeding the CIR is marked discard eligible.
正确答案:D
答案解析:有
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