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Question 804 - H12-811_V1.0 discussion

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Which of the following parameters is used to elect the root bridge in STP?

A.

Bridge ID

Answers
A.

Bridge ID

B.

Port ID

Answers
B.

Port ID

C.

Root path cost

Answers
C.

Root path cost

D.

System name of the switch

Answers
D.

System name of the switch

Suggested answer: A

Explanation:

Comprehensive In STP (Spanning Tree Protocol), the root bridge is elected based on the lowest Bridge ID. The Bridge ID consists of two parts: the bridge priority and the MAC address of the switch. The switch with the lowest Bridge ID is elected as the root bridge. If two switches have the same priority, the switch with the lowest MAC address becomes the root. Other parameters such as Port ID and Root path cost are used in subsequent decisions to determine the best paths to the root bridge, but they are not used in the root bridge election itself.

asked 24/10/2024
Sathish M
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