What is a characteristic of the distribution layer in the three layer hierarchical model?

Question:
What is a characteristic of the distribution layer in the three layer hierarchical model?

• provides access to the rest of the network through switching, routing, and network access policies
• distributes access to end users
• represents the network edge
• acts as the backbone for the network, aggregating and distributing network traffic throughout the campus

Explanation: One of the functions of the distribution layer is aggregating large-scale wiring closet networks. Providing access to end users is a function of the access layer, which is the network edge. Acting as a backbone is a function of the core layer.

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