200-120 Question 17
Refer to the exhibit.
Based on the information given, which switch will be elected root bridge and why?
A. Switch A, because it has the lowest MAC address
B. Switch A, because it is the most centrally located switch
C. Switch B, because it has the highest MAC address
D. Switch C, because it is the most centrally located switch
E. Switch C, because it has the lowest priority
F. Switch D, because it has the highest priority
Correct Answer: E
Explanation/Reference:To elect the root bridge in the LAN, first check the priority value. The switch having the lowest priority will win the electio n process. If Priority Value is the same then it checks the MAC Address; the switch having the lowest MAC Address will become the root bridge. In this case, switch C ha s the lowest MAC Address so it becomes the root bridge.
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