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Exam 200-105 topic 1 question 334 discussion

Actual exam question from Cisco's 200-105
Question #: 334
Topic #: 1
[All 200-105 Questions]

What is one benefit of PVST+?

  • A. PVST+ supports Layer 3 load balancing without loops.
  • B. PVST+ reduces the CPU cycles for all the switches in the network.
  • C. PVST+ allows the root switch location to be optimized per VLAN.
  • D. PVST+ automatically selects the root bridge location, to provide optimized bandwidth usage.
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Suggested Answer: C 🗳️
Per VLAN Spanning Tree (PVST)

Introduction -
http://www.cisco.com/en/US/tech/tk389/tk621/tk846/tsd_technology_support_sub-protocol_home.html
Per VLAN Spanning Tree (PVST) maintains a spanning tree instance for each VLAN configured in the network. It means a switch can be the root bridge of a VLAN while another switch can be the root bridge of other VLANs in a common topology. For example, Switch 1 can be the root bridge for Voice data while Switch 2 can be the root bridge for Video data. If designed correctly, it can optimize the network traffic. http://www.ciscopress.com/articles/article.asp?p=102157&seqNum=4
by [deleted] at April 2, 2025, 5:10 p.m.

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