You are asked to implement VSTP on all devices in your Layer 2 network. Which three
statements are correct? (Choose three.)

A.
VSTP supports up to 256 different spanning-tree topologies.

B.
A BPDU is sent for each spanning-tree instance.

C.
Each VLAN will be assigned to a unique spanning-tree instance.

D.
MSTP can be used in addition to VSTP to account for VLANs outside of the supported
range.

E.
VSTP can be used to load-balance Layer 2 traffic using VLANs.