You want to add 900 VLANs to the existing 90 VLANs on a data center.
Which two spanning-tree concerns must you consider? (Choose two)
A . To add 990 VLANs to the switching hardware reserved VLANs requires you to use extended VLAN
B . STP is increased by a factor of 10 convergence time.
C . BPDU does not support 990 VLANs.
D . The diameter of the STP topology is increased.
E . The PVST+ increases CPU utilization
Answer: B,E