What is the fundamental distinction between a Layer 2 switch and a router?

Explain the purpose of a Layer 3 switch in the OSI model. How does it combine features of both a switch and a router?

What issues have been found in the layer 2 protocol of the router? What does this discovery mean, if anything? Why does an ICMP request sent by a PPP-encapsulated router continue to function after the subnet of the serial interface has been changed?

How does wireshark present the protocol layered architecture? List down the different layers for a packet

What distinguishes a network switching between circuits from one switching between packets?

What is the routing protocol's purpose? To demonstrate how the Routing Information Protocol (RIP) works, here's an example.

Please solve with the computer science What problems can be found in the protocol for router layer 2?

Where does a router fit into the grand scheme of things when it comes to networks? What are at least four key ways in which it differs from a standard switch?

what transport layer protocol is used by the point-to-point tunneling protocol?