What role does a switch, router, firewall, and wireless AP play in

What role does a switch, router, firewall, and wireless AP play in the network?

What is the difference between a router, switch, access point and firewall in terms of their function? - Quora

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Firewall, Router & Wireless Access Point - Techbytes IT LTD

How router, switch and firewalls works in network? - Quora

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