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H12-811_V1.0 · Question #954

RSTP uses the proposal/agreement mechanism to shorten the time that an upstream port waits before transitioning to the Forwarding state, but no temporary loop occurs. Why?

The correct answer is C. RSTP uses a synchronization mechanism to prevent temporary loops. RSTP (Rapid Spanning Tree Protocol) employs a synchronization mechanism with the proposal/agreement handshakes to prevent loops during topology changes. By synchronizing states between switches, RSTP avoids temporary loops while quickly transitioning ports to the forwarding…

Ethernet Switching Technologies

Question

RSTP uses the proposal/agreement mechanism to shorten the time that an upstream port waits before transitioning to the Forwarding state, but no temporary loop occurs. Why?

Options

  • ARSTP introduces the edge port role.
  • BRSTP accelerates port role election.
  • CRSTP uses a synchronization mechanism to prevent temporary loops.
  • DRSTP shortens the time taken by port status transition (Forward Delay).

How the community answered

(43 responses)
  • A
    7% (3)
  • B
    2% (1)
  • C
    79% (34)
  • D
    12% (5)

Explanation

RSTP (Rapid Spanning Tree Protocol) employs a synchronization mechanism with the proposal/agreement handshakes to prevent loops during topology changes. By synchronizing states between switches, RSTP avoids temporary loops while quickly transitioning ports to the forwarding state.

Topics

#RSTP#proposal/agreement#synchronization mechanism#loop prevention

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