You have one campus, which contains 2,000 PCs, and each edge switch will contain 25 to 40 PCs. Based on this layout, which design model should be used?

A. Collapsed-core model
B. Three-tier model
C. DOD model
D. Access model

A. Based on the layout of your network, the collapsed-core model is the most appropriate model to design. If at a later time other campuses are joined to the network, the core layer can be added.