JN0-351: Enterprise Routing and Switching, Specialist (JNCIS-ENT)Demo

By Juniper · Question Mode

QuestionQ69

Spanning Tree

What is one purpose of using Spanning Tree Protocol?

  • A to look up MAC addresses
  • B to eliminate broadcast storms
  • C to route IP packets
  • D to tunnel Ethernet frames
Explanation

Spanning Tree Protocol prevents Layer 2 loops by placing redundant switch paths into a blocking state. This stops broadcast frames from circulating indefinitely and causing broadcast storms.

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