问题：
[多选题]1.下面是你在一台交换机上执行命令show spanning-tree时得到的输出：请问下面哪两种有关这台交换机的说法是正确的?
A.这台交换机是根网桥
B.这台交换机不是根网桥
C.根网桥与这台交换机之间有4台交换机
D.这台交换机运行的是802.1w
E.这台交换机运行的是STP PVST+
Tags：计算机Cisco(思科)认证模拟试卷
答案解析：
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