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A network administrator needs to force a high-performance switch that is located in the MDF to become the root bridge for a redu
A network administrator needs to force a high-performance switch that is located in the MDF to become the root bridge for a redu
admin
2019-04-08
44
问题
A network administrator needs to force a high-performance switch that is located in the MDF to become the root bridge for a redundant path switched network. What can be done to ensure that this switch assumes the role as root bridge?
选项
A、Establish a direct link from the switch to all other switches in the network.
B、Assign the switch a higher MAC address than the other switches in the network have.
C、Configure the switch so that it has a lower priority than other switches in the network.
D、Configure the switch for full-duplex operation and configure the other switches for half-duplex operation.
E、Connect the switch directly to the MDF router, which will force the switch to assume the role of root bridge.
答案
C
解析
根桥的选举是通过比较Bridge-ID来实现的,而Bridge-id由桥优先级和MAC地址组成,越小越优先。因此想让哪台交换机成为根桥,修改他的优先级就行了。
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