Refer to the exhibit. At the end of an RSTP election process, which access layer switch port will assume the discarding role?（） 
- A、Switch3, port fa0/1
- B、Switch3, port fa0/12
- C、Switch4, port fa0/11
- D、Switch4, port fa0/2
- E、Switch3, port Gi0/1
- F、Switch3, port Gi0/2
正确答案:C
答案解析:有
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