You are the administrator for the Contoso Corporation. You have five large sites, each consisting of 500 to 1,000 users, 10 sites with each consisting of 100 to 200 users, and five sites with each consisting 10 to 50 users. The five large sites have a T-3 connection, whereas the medium-sized sites have 10 Mbps links. The five smallest sites have 3 Mbps connections. At times, the small sites WAN links are saturated. How would you define the sites?