CCNA R&S Exam Prep Question of the Week

CCNAMainQOWWhat is one benefit of PVST+?

A. PVST+ allows the root switch location to be optimized per VLAN.

B. PVST+ supports Layer 3 load balancing without loops.

C. PVST+ reduces the CPU cycles for all the switches in the network.

D. PVST+ automatically selects the root bridge location to provide optimized bandwidth usage.

The correct answer is A.

Per VLAN Spanning Tree plus (PVST+) is a Cisco proprietary implementation of the Spanning Tree protocol where each VLAN gets its own Spanning Tree, therefore manipulation of the Spanning Tree can be done on a per VLAN basis.

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CCNAX v2.0 – CCNA Routing and Switching Boot Camp
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