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How does a router function in the context of the OSI model, and at which layer does it primarily operate?
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- What is the primary function of a router in the context of the OSI model? Which OSI layers are involved in its operation?An entry in the switching table of a virtual-circuit network is normally created during the setup phase and deleted during the teardown phase. In other words, the entries in this type of network reflect the current connections, the activity in the network. In contrast, the entries in a routing table of a datagram network do not depend on the current connections; they show the configuration of the network and how any packet should be routed to a final destination. The entries may remain the same even if there is no activity in the network. The routing tables, however, are updated if there are changes in the network. Can you explain the reason for these two different characteristics? Can we say that a virtual-circuit is a connection oriented network and a datagram network is a connectionless network because of the above characteristics?Explain the protocol's route across each tier of the OSI model.
- How does a bridge function in the OSI model, and which layer does it primarily operate in?What is the primary function of a router in the OSI model, and which layer does it operate at?Perform the layer wise detailed comparison of TCP IP and OSI reference model (note: use diagram for better representation). 1 coi
