In STP, which attribute determines the Root Bridge among switches?

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Multiple Choice

In STP, which attribute determines the Root Bridge among switches?

Explanation:
Root bridge selection in STP is based on the Bridge ID, which combines a configurable priority and the switch’s MAC address. The switch with the lowest Bridge ID becomes the root bridge. The priority can be adjusted to influence which switch becomes the root; if priorities are equal, the switch with the lowest MAC address wins. IP addresses are not used in this decision. Port IDs come into play later as tie-breakers when selecting the best path to the root on non-root switches, not for determining the root bridge itself.

Root bridge selection in STP is based on the Bridge ID, which combines a configurable priority and the switch’s MAC address. The switch with the lowest Bridge ID becomes the root bridge. The priority can be adjusted to influence which switch becomes the root; if priorities are equal, the switch with the lowest MAC address wins. IP addresses are not used in this decision. Port IDs come into play later as tie-breakers when selecting the best path to the root on non-root switches, not for determining the root bridge itself.

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