单选题What is one benefit of PVST+?（）A PVST+reduces the CPU cycles for all the switches in the networkB PVST+automatically selects the root bridge location,to provide optimiz…C PVST+allow the root switch location to be optimized per vlan.D PVST+supports Laye
题目
单选题
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 optimiz…
C
PVST+allow the root switch location to be optimized per vlan.
D
PVST+supports Layer 3 load balancing without loops.