Which three layers comprise the traditional hierarchical model? (Choose three.)
A . core layer
B . distribution layer
C . access layer
D . aggregation layer
E . network layer
F . Internet layer
Answer: ABC
Which three layers comprise the traditional hierarchical model? (Choose three.)
A . core layer
B . distribution layer
C . access layer
D . aggregation layer
E . network layer
F . Internet layer
Answer: ABC