Your junior network administrator has just finished installing the above switched network using Cisco 3550s and would like to manipulate the root bridge election. Which switch should he configure as the root bridge and with which command? Your junior network administrator has just finished installing the above switched network using Cisco 3550s and would like to manipulate the root bridge election. Which switch should he configure as the root bridge and with which command?
A. TestKing1(config)# spanning-tree vlan 1 priority 4096 B. TestKing2(config)# set spanning-tree priority 4096 C. TestKing3(config)# spanning-tree vlan 1 priority 4096 D. TestKing1(config)# set spanning-tree priority 4096 E. TestKing2(config)# spanning-tree vlan 1 priority 4096 F. TestKing3(config)# set spanning-tree priority 4096 Answer: E
解释: 正确答案应该是E, 因为如果是想让TK1做ROOT BRIDGE,是不必用spanning-tree vlan 1 priority 4096这条命令的. 因为如果是正常选举的话,TK1就会当选root bridge. 适合做为ROOT BRIDGE的是TK1 和TK2. If you do not change anything, TK1 will be the root bridge. 那么只有想让TK2做ROOT BRIDGE的时候才会用到这条命令.
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