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Core, Distribution, and Access layers.
What are the three layers of the 3-tier hierarchical network model?
To provide high-speed, reliable backbone connectivity between distribution layers.
What is the main purpose of the Core layer in the 3-tier model?
To route traffic between VLANs, apply policies, and connect access layer switches to the core.
What is the main purpose of the Distribution layer?
To connect end devices like computers, printers, and phones to the network.
What is the main purpose of the Access layer?