What is network layer of osi model, Computer Networking

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Q. What is network layer of osi model?

- Describe end-to-end delivery of packets.

- Defines logical addressing thus that any endpoint can be identified.

- Defines how routing works as well as how routes are learned thus that the packets can be delivered.

- The network layer as well defines how to fragment a packet into smaller packets to accommodate different media.

- Routers work at Layer 3.

- Instances - IPX, IP and AppleTalk.

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