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.