Which layer of the OSI model does Cisco recommend to place the enterprise network core layer, when designing a network based on its switched hierarchical design?
A. Layer 1
B. Layer 2
C. Layer 3
D. Layer 4
Which layer of the OSI model does Cisco recommend to place the enterprise network core layer, when designing a network based on its switched hierarchical design?
A. Layer 1
B. Layer 2
C. Layer 3
D. Layer 4