What is a function of the distribution layer?
- high-speed backbone connectivity
- interconnection of large-scale networks in wiring closets
- network access to the user
- fault isolation
Explanation: The distribution layer interacts between the access layer and the core by aggregating access layer connections in wiring closets, providing intelligent routing and switching, and applying access policies to access the rest of the network. Fault isolation and high-speed backbone connectivity are the primary functions of the core layer. The main function of the access layer is to provide network access to the user.
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