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JN0-660 · Question #520

In the exhibit, all switches run STP; however, the link between bridge G and bridge E fails. What does root bridge A do after it receives information about this link failure?

The correct answer is C. Root bridge A sets the topology change flag and sends an updated configuration BPDU. See the full explanation below for the reasoning.

Question

In the exhibit, all switches run STP; however, the link between bridge G and bridge E fails. What does root bridge A do after it receives information about this link failure?

Exhibit

JN0-660 question #520 exhibit

Options

  • ARoot bridge A sets the acknowledge flag and sends an updated topology BPDU.
  • BRoot bridge A sends a topology change notification BPDU.
  • CRoot bridge A sets the topology change flag and sends an updated configuration BPDU.
  • DRoot bridge A floods an updated BPDU topology database.

How the community answered

(29 responses)
  • A
    10% (3)
  • B
    3% (1)
  • C
    83% (24)
  • D
    3% (1)

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