The broke down core architecture and the three-tier design are design approaches, not physical separations. The a way of thinking around the network, no a method of viewing actual network devices.

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Collapsed coreCore and Distribution layers are linked as a single layerThe broke down core gadgets must be capable of core functions: high speed network connectivity and distribution functions: routing, filtering, NAT, etc.


CCNA CCNA 200-125 #access #core #distribution

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