What 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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