Refer to the figure. Which switch will become the root bridge?

Last Updated: Feb 26, 2026
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Refer to the figure. Which switch will become the root bridge?

  • S1 because it has the lowest BID.
  • S1 because it has the highest BID.
  • S4 because it has the lowest BID.
  • S4 because it has the highest BID.

Explanation: The STP switch with the lowest BID is elected as the root bridge. In the topology, S1 has the lowest BID of 0000.0000.1111.

Related exam: 17.1.5 Practice - Step 1: Elect the Root Bridge

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