Refer to the exhibit.
A network engineer proposes a hierarchical network design for building a company’s campus network as shown. What are three advantages of this approach? (Choose three.)
A. offers a hierarchy in which all layers share similar roles
B. offers a hierarchy in which each layer has a specific role
C. offers a modular topology with segregated building blocks
D. offers a flat topology with integrated building blocks
E. promotes a network virtualization traffic pattern
F. creates small fault domains with clear demarcations and isolation
