an RSTP election process, which access layer switch port will assume the discard

menglibinghe

CCNA题目：
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
参考答案：C

我的问题是：
1.  为什么不能选F ?
2.  Sw3上的Gi0/1和Gi0/2所连接的链路都一定是千兆么？

xiaozhaia

好深奥啊还是闪了把