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单项选择题What is one benefit of PVST+?()

A、PVST+reduces the CPU cycles for all the switches in the network

B、PVST+automatically selects the root bridge location,to provide optimized bandwidth usage.

C、PVST+allow the root switch location to be optimized per vlan.

D、PVST+supports Layer 3 load balancing without loops.

  • C
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