H12-811_V1.0 Exam Dumps | RSTP uses the proposal/agreement mechanism to shorten the time that an upstream port waits before transitioning

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Question 130/142

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?

A. RSTP introduces the edge port role.

B. RSTP accelerates port role election.

C. RSTP uses a synchronization mechanism to prevent temporary loops.

D. RSTP shortens the time taken by port status transition (Forward Delay).

Correct Answer: C

Detailed 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.
(Reference: HCIA-Datacom Training Material, RSTP Mechanisms and Synchronization)

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