Cisco 200-105 Exam

Which process is associated with spanning-tree convergence?

  • A. determining the path cost
  • B. electing designated ports
  • C. learning the sender bridge ID
  • D. assigning the port ID
Answer: Option B.

Spanning Tree Protocol (STP) convergence (Layer 2 convergence) happens when bridges and switches have transitioned to either the forwarding or blocking state. When layer 2 is converged, Root Switch is elected and Root Ports, Designated Ports and Non-Designated ports in all switches are selected. At Converged condition, the Root Ports and the Designated ports are in forwarding state, and all other ports are in blocking state.

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