Which statement accurately describes one difference between a small office and medium office topology?

Which statement accurately describes one difference between a small office and medium office
topology?

A.
Medium offices commonly use integrated route and switching platforms.

B.
Medium offices use integrated 10/100/1000 interfaces as Layer 2 trunks.

C.
Medium offices use external access switches to support LAN connectivity.

D.
Small offices commonly use Rapid PVST+ for Layer 3 deployments.