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Huawei H12-811_V1.0 Exam - Topic 6 Question 97 Discussion

In STP, the bridge ID on the switching network is as follows. With which of the following bridge IDs is the switch selected as the root bridge?
B) 4096 00-01-02-03-04-DD
A) 32768 00-01-02-03-04-BB
C) 32768 00-01-02-03-04-CC
D) 32768 00-01-02-03-04-AA

Huawei H12-811_V1.0 Exam - Topic 6 Question 97 Discussion

Actual exam question for Huawei's H12-811_V1.0 exam
Question #: 97
Topic #: 6
[All H12-811_V1.0 Questions]

In STP, the bridge ID on the switching network is as follows. With which of the following bridge IDs is the switch selected as the root bridge?

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Suggested Answer: B

Comprehensive Explanation= In STP, the switch with the lowest Bridge ID is selected as the root bridge. The Bridge ID consists of the bridge priority and the MAC address. In this case, the switch with the bridge priority of 4096 has the lowest Bridge ID, making it the root bridge. If two switches have the same bridge priority, the MAC address is used to break the tie, with the lower MAC address winning.


by Salina at May 11, 2026, 02:36 PM

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Elza
The root bridge is the one with the lowest bridge ID.
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Therese
5 days ago
I believe the bridge ID with the lowest value is selected, but I can't recall if the MAC address affects the decision if the priorities are the same.
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Shantell
10 days ago
I’m a bit confused about the priority numbers. Is 32768 always the default? I feel like I’ve seen different values in practice questions.
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Aliza
15 days ago
I remember practicing a similar question where we had to compare bridge IDs. I think the one with the lowest priority wins, so it might be A or C.
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Yoko
2 months ago
I think the root bridge is determined by the lowest bridge ID, but I'm not sure how the priority values play into that.
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