PrepAway - Latest Free Exam Questions & Answers

which switch will be elected root bridge and why?

Refer to the exhibit.

Based on the information given, which switch will be elected root bridge and why?

PrepAway - Latest Free Exam Questions & Answers

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

Explanation:
To elect the root bridge in the LAN, first check the priority value. The switch having the lowest
priority will win the election 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 has
the lowest MAC Address so it becomes the root bridge.

6 Comments on “which switch will be elected root bridge and why?

  1. Peps says:

    The response say:
    In this case, switch C has the lowest MAC Address so it becomes the root bridge.

    The response will be:
    In this case, switch C has the lowest priority so it becomes the root bridge.




    0



    0
  2. Sebastian says:

    always that I looking for this question the answer is the same option C, but why? because the priority 1 in unable in the cisco IOS because the vlan priority are: 0 4096 8192 12288 16384 20480 24576 28672 32768 36864 40960 45056 49152 53248 57344 61440, switches B,C, and D have unable values to set up, so please, someone could explain why the answer is Switch C




    0



    0

Leave a Reply